In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises up to 80 wt. % oligomeric curable material; up to 80 wt. % monomeric curable material; up to 10 wt. % photoinitiator; up to 1 wt. % non-curable absorber material; and up to 10 wt. % one or more additional components, based on the total weight of the ink, and wherein the total amount of the foregoing components is equal to 100 wt. %. Additionally, the photoinitiator is operable to initiate curing of the oligomeric curable material and/or the monomeric curable material when the photoinitiator is exposed to incident curing radiation having a peak wavelength λ. Moreover, the ink has a penetration depth (Dp), a critical energy (Ec), and a print through depth (DPT) at the wavelength λ of less than or equal to 2×Dp.
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 70/00 - Materials specially adapted for additive manufacturing
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
2.
High Productivity System for Printing Precision Articles
A three-dimensional printing system includes a resin vessel, a support tray, a motorized carriage, a light engine, and a controller. The resin vessel has a lower side with a transparent sheet which provides a lower bound for photocurable resin contained within the vessel. The support tray has a lower face for supporting an object being fabricated. The motorized carriage is for supporting and vertically positioning the support tray. The light engine is for projecting radiation up through the transparent sheet to a build plane. The controller operates the motorized carriage and the light engine to fabricate the object. The object includes a vertical arrangement of dental arches suspended from the lower face and a plurality couplings that connect pairs of the dental arches.
B29C 64/129 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 80/00 - Products made by additive manufacturing
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08L 75/14 - Polyurethanes having carbon-to-carbon unsaturated bonds
Processes and material compositions are disclosed for applying polymer additive manufacturing to producing press dies, such as for sheet metal forming. As disclosed in various embodiments, material compositions comprise a thermoplastic, a first filler having low aspect ratio particles and a second filler having high aspect ratio. In at least one embodiment, composites according to the disclosed teachings have a compressive modulus greater than 3500 MPa and a compressive strength greater than 70 MPa, such that the composites have sufficient mechanical properties for press tooling and are amenable to extrusion-type additive manufacturing processes. In at least one embodiment, the use of the disclosed composites with additive manufacturing enables reduced overall mass of tooling by inclusion of voids inside the die.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B29C 70/02 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers
Processes and material compositions are disclosed for applying polymer additive manufacturing to producing press dies, such as for sheet metal forming. As disclosed in various embodiments, material compositions comprise a thermoplastic, a first filler having low aspect ratio particles and a second filler having high aspect ratio. In at least one embodiment, composites according to the disclosed teachings have a compressive modulus greater than 3500 MPa and a compressive strength greater than 70 MPa, such that the composites have sufficient mechanical properties for press tooling and are amenable to extrusion-type additive manufacturing processes. In at least one embodiment, the use of the disclosed composites with additive manufacturing enables reduced overall mass of tooling by inclusion of voids inside the die.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
build materials for 3D printing applications are described herein which, in some embodiments, comprise monomeric species operable for producing articles with high Tg and/or high heat deflection temperature while maintaining shelf stability. In one aspect, a polymerizable liquid comprises at least 20 weight percent isocyanurate polyacrylate; a photoinitiator component; and a crystallization inhibitor component comprising monomeric curable material, oligomeric curable material or mixtures thereof, wherein the polymerizable liquid does not exhibit crystallization over a period of 28 days at a storage temperature of 5-10° C.
C08F 20/36 - Esters containing nitrogen containing oxygen in addition to the carboxy oxygen
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
B33Y 70/00 - Materials specially adapted for additive manufacturing
7.
METHOD FOR CONTROLLING PLURALITY OF ROBOTIC DEPOSITORS IN A NON-CONTINUOUS DEPOSITION PROCESS
In the context of additive manufacturing processes wherein an object is built by layered accumulations of discrete instantaneous deposits of feedstock material at specific locations according to a three-dimensional digital data model, systems and methods are taught for operating multiple independently-moving depositing devices in a shared build space to build the object. In some embodiments, depositing components perform discrete material depositing actions according to sequential lists of deposit location instructions which are dynamically sortable, enabling a control methodology to alleviate collision risks among depositing components and to improve thermal conditions of a workpiece during construction. Further embodiments provide for dynamic apportionment of discrete deposition actions among the available depositing devices for load balancing and fault tolerance.
A three dimensional printing system includes a light engine having a spatial light modulator for curing individual layers of a photocure resin to form a three dimensional article of manufacture. The light engine is configured to: (1) receive a slice image that defines an array of energy values for curing a layer, (2) process the slice image to define an image frame compatible with the spatial light modulator, (3) receive an on signal, (4) activate the first light source in response to the on signal; (5) repeatedly send the first defined image frame to the first spatial light modulator during a defined cure time for the single layer of resin; (6) receive an off signal; (7) deactivate the first light source in response to the off signal; and (8) repeat steps (1) - (7) until the three dimensional article of manufacture is formed.
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B29C 64/277 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
9.
Three-dimensional printing system with improved powder coating uniformity
A three-dimensional printing system includes a build platform, a movement mechanism, a coating module, a consolidation module, and a controller. The controller is configured to (1) operate the movement mechanism and the coating module to deposit a new powder layer over an upper surface of the build platform or powder, (2) operate the consolidation module to selectively consolidate the new powder layer, and (3) repeat (1) and (2) until a three-dimensional article is fabricated from a plurality of layers. Step (1) includes, at least one of the plurality of layers (a) operate the movement mechanism and the coating module to deposit a first sublayer of powder having a thickness T1 over the upper surface, and (b) operate the movement mechanism and the coating module to deposit a second sublayer of powder having at thickness T2 over the first sublayer of powder. T2 is less than 20% of T1.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A three-dimensional (3D) printing system includes a print engine chassis, a build box, a vertical movement mechanism, a powder dispensing module, a consolidation module, and a controller. The print engine chassis defines a build chamber configured to receive and support the build box. The build box includes a build plate upon which the 3D article is fabricated. The vertical movement mechanism includes a plurality of actuators configured to collectively provide precise positioning of the build plate. The controller is configured to (1) operate the vertical movement mechanism including operating the plurality of actuators to position an upper surface of the 3D article generally proximate and parallel to a build plane, (2) operate the powder dispensing module to dispense a new layer of powder over the upper surface, and (3) operate the consolidation module to selectively consolidate the new layer of powder.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Bioreactor for cell culturing; cell culture apparatus for
laboratory use, namely, cell culture instrument using tissue
cultures in a microfluidic device; laboratory apparatus,
namely, pumping systems, bioreactors, and cell assembly
apparatus for laboratory use for fabrication of three
dimensional (3D) engineered living tissues. Cell culture apparatus for medical use, namely, cell culture
instrument using tissue cultures in a microfluidic device. Scientific and technological services and research and
design relating thereto; industrial analysis and research
services; pharmaceutical research and development services;
providing medical research and scientific research
information in the field of medicine and pharmaceuticals;
scientific services relating to the isolation and culture of
human tissues and cells; computer software for programming
and executing statistical analysis of data sets and for data
analysis.
12.
Method and Apparatus for Positional Reference in an Automated Manufacturing System
Applied within an automated robotic manufacturing system that includes additive manufacturing capabilities, methods and enabling devices are disclosed for achieving precise multi-dimension positional alignment among a plurality of diverse tools that are involved in collaboratively constructing a solid object. The enabling devices according to various embodiments include an automatically deployed contact sensing probe and a tool center point sensor that detects contact with tools in multiple axes. At least one disclosed method advantageously utilizes both sensing devices in complement.
Applied within an automated robotic manufacturing system that includes additive manufacturing capabilities, methods and enabling devices are disclosed for achieving precise multi-dimension positional alignment among a plurality of diverse took that are involved in collaboratively constructing a solid object. The enabling devices according to various embodiments include an automatically deployed contact sensing probe and a tool center point sensor that detects contact with tools in multiple axes. At least one disclosed method advantageously utilizes both sensing devices in complement.
Applied within an automated robotic manufacturing system that includes additive manufacturing capabilities, methods and enabling devices are disclosed for achieving precise multi-dimension positional alignment among a plurality of diverse tools that are involved in collaboratively constructing a solid object. The enabling devices according to various embodiments include an automatically deployed contact sensing probe and a tool center point sensor that detects contact with tools in multiple axes. At least one disclosed method advantageously utilizes both sensing devices in complement.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G05B 19/401 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
G05B 19/402 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
Some embodiments of the disclosure disclose manifolds, microfluidic systems and methods that provide control over fluid flow distribution to an array of bio-scaffolds contained within the manifolds. In some embodiments, multiple perfusates may be injected into the manifold via multiple inlets where the manifold contains a bio-assembly with a substrate having a bio-scaffold disposed thereon. Biological investigations of the perfusates may then be conducted in the vascular components and chambers of the bio-scaffold.
Some embodiments of the disclosure disclose manifolds, microfluidic systems and methods that provide control over fluid flow distribution to an array of bio- scaffolds contained within the manifolds. In some embodiments, multiple perfusates may be injected into the manifold via multiple inlets where the manifold contains a bio-assembly with a substrate having a bio-scaffold disposed thereon. Biological investigations of the perfusates may then be conducted in the vascular components and chambers of the bio-scaffold.
A three-dimensional (3D) printing system includes a vessel, a coating subsystem, a calibration block, and a controller. The vessel is configured to contain a photocurable resin having a resin upper surface. The coating subsystem includes a coater module including a coater blade, a lateral movement mechanism coupled to the coater module, a sensor mounted to the coater module, and a vertical actuator system. The calibration block has a calibration surface. The controller is configured to operate the lateral movement mechanism to position the coater blade over the calibration block, operate the vertical actuator system to lower the coater blade into engagement with the calibration surface of the calibration block, operate the sensor to measure a distance to the calibration block, and store the distance as indicative of a vertical position of a lower edge of the coater blade.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
Curable compounds, hydrogels, build materials, and methods of 3D printing are described herein. In some embodiments, a build material for 3D printing described herein comprises one or more compounds having the structure(s) of Formula (I) and/or Formula (II) herein. Such a build material may also comprise an additional acrylate component and water.
A three-dimensional (3D) printing system includes a vessel, a coating subsystem, a calibration block, and a controller. The vessel is configured to contain a photocurable resin having a resin upper surface. The coating subsystem includes a coater module including a coater blade, a lateral movement mechanism coupled to the coater module, a sensor mounted to the coater module, and a vertical actuator system. The calibration block has a calibration surface. The controller is configured to operate the lateral movement mechanism to position the coater blade over the calibration block, operate the vertical actuator system to lower the coater blade into engagement with the calibration surface of the calibration block, operate the sensor to measure a distance to the calibration block, and store the distance as indicative of a vertical position of a lower edge of the coater blade.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/232 - Driving means for motion along the axis orthogonal to the plane of a layer
B29C 64/236 - Driving means for motion in a direction within the plane of a layer
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Biologically compatible polymers, namely, resins or
hydrogels used to manufacture polymeric networks used in the
manufacture of engineered living tissue for medical,
scientific and non-scientific purposes; cells for
scientific, laboratory or medical research; diagnostic
preparations for scientific or research use. Biological tissue cultures for medical purposes; diagnostic
preparations for medical purposes. Three dimensional (3D) printers; three dimensional (3D)
printer for the printing of engineered living tissues;
machines for manufacturing three dimensional (3D) engineered
tissue scaffolds or living tissues. Bioreactor for cell culturing; cell culture apparatus for
laboratory use, namely, cell culture instrument using tissue
cultures in a microfluidic device; laboratory apparatus,
namely, pumping systems, bioreactors, and cell assembly
apparatus for laboratory use for fabrication of three
dimensional (3D) engineered living tissues. Cell culture apparatus for medical use, namely, cell culture
instrument using tissue cultures in a microfluidic device. Three dimensional printing (3DP) services for other; 3D
bioprinting; bioprinting; creation of customized
three-dimensional shaped parts. Scientific and technological services and research and
design relating thereto; industrial analysis and research
services; pharmaceutical research and development services;
providing medical research and scientific research
information in the field of medicine and pharmaceuticals;
computer software for programming and executing statistical
analysis of data sets and for data analysis; scientific
services relating to the isolation and culture of human
tissues and cells.
A three-dimensional (3D) printing system is configured to manufacture a three-dimensional 3D article in a layer-by-layer manner. The 3D printing system includes a resin vessel, a tank agitation subsystem, a fabrication subsystem, and a controller. The resin vessel is configured to contain photocurable resin and has a lower region within a distance H of a bottom surface of the resin vessel. The agitation subsystem includes (a) a grating disposed within the lower region of the resin vessel and (b) an agitation movement mechanism coupled to the grating. The fabrication subsystem is configured to form the 3D article by a layer-by-layer selective curing of the photocurable resin. The controller is configured to operate the agitation movement mechanism to oscillate the grating along a lateral Y-axis to remix filler particulates within the photocurable resin.
B29C 64/255 - Enclosures for the building material, e.g. powder containers
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
A three-dimensional (3D) printing system (2) is configured to manufacture a three-dimensional 3D article (4) in a layer-by-layer manner. The 3D printing system includes a resin vessel (6), a tank agitation subsystem (12), a fabrication subsystem (33), and a controller (34). The resin vessel (6) is configured to contain photocurable resin (8) and has a lower region within a distance H of a bottom surface (10) of the resin vessel. The agitation subsystem includes (a) a grating (14) disposed within the lower region of the resin vessel and (b) an agitation movement mechanism (16) coupled to the grating (14). The fabrication subsystem (33) is configured to form the 3D article (4) by a layer-by-layer selective curing of the photocurable resin (8). The controller (36) is configured to operate the agitation movement mechanism (16) to oscillate the grating (14) along a lateral Y-axis to remix filler particulates within the photocurable resin (8).
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/307 - Handling of material to be used in additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
A three-dimensional printing system (2) includes a resin vessel (6), a fabrication subsystem (26), a waste collection subsystem (28), and a controller (38). The resin vessel is configured to contain photocurable resin (8). The fabrication subsystem is configured to form a 3D article (4) with layer-by-layer selective curing of the photocurable resin. The fabrication subsystem includes a build plate (10), a build plate support structure (14), and a vertical movement mechanism (16). The waste collection subsystem is attached to the build plate support structure and configured to capture partially polymerized resin as the build plate support structure moves in an upward direction. The controller is configured to (a) operate the vertical movement mechanism to translate the build plate support structure to a lower position and (b) operate the vertical movement mechanism to raise the waste collection subsystem up through the resin and to a position at which partially polymerized resin can be unloaded from the waste collection subsystem.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
25.
3D PRINTING BUILD MATERIALS AND SUPPORT MATERIALS COMPRISING A PHOSPHOR
In one aspect, build materials and support materials for use with a 3D printer are described herein. Such materials include a phosphor component in combination with other components. In some embodiments, the phosphor component of a build material or support material is present in the material in an amount of 0.001-0.5 wt. % and has a peak photoluminescence (PL) emission wavelength of 430-750 nm and a photoluminescence quantum yield (QY) of 0.10-1.
The present disclosure is directed towards systems and methods for controlling three-dimensional bioprinters. In some embodiments, a server system may provide a user interface that can be used by a user may able to provide three-dimensional bioprinter specifications. The server system may then be configured to generate command instructions compatible with a particular bioprinter and then transmit the command instructions to the indicated bioprinter. In some embodiments the disclosed systems and methods may eliminate the need for downloading drivers or bioprinter specific software onto a user computing device. In some embodiments the disclosed systems and methods may be configured for use in restricted internet access settings.
A method of preparing a structure is provided. The method includes providing an initial structure; casting a first material in one or more void volumes of the initial structure; removing the initial structure from the first material; obtaining a cast structure comprising the first material; coating a second material on the cast structure; casting a third material using the coated cast structure; removing the first material; and obtaining a final structure. In various embodiments, the initial structure can include a first initial structure and a second initial structure and casting a first material in one or more first void volumes of the first initial structure and in one or more second void volumes of the second initial structure. In various embodiments, the method includes assembling the first cast structure and the second cast structure and obtaining an assembled structure comprising the first cast structure and the second cast structure.
A three-dimensional printing system includes a support plate and a resin vessel. The support plate defines a central opening and an upper surface. The resin vessel is disposed upon the upper surface of the support plate and includes a substructure and a transparent sheet. The substructure includes a vertical wall and a tension ring that extends inwardly and downwardly from the vertical wall. The tension ring impinges downwardly upon an upper surface of the transparent sheet and tensions the transparent sheet.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/255 - Enclosures for the building material, e.g. powder containers
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
A method of preparing a structure is provided. The method includes providing an initial structure; casting a first material in one or more void volumes of the initial structure; removing the initial structure from the first material; obtaining a cast structure comprising the first material; coating a second material on the cast structure; casting a third material using the coated cast structure; removing the first material; and obtaining a final structure. In various embodiments, the initial structure can include a first initial structure and a second initial structure and casting a first material in one or more first void volumes of the first initial structure and in one or more second void volumes of the second initial structure. In various embodiments, the method includes assembling the first cast structure and the second cast structure and obtaining an assembled structure comprising the first cast structure and the second cast structure.
B33Y 80/00 - Products made by additive manufacturing
B29C 39/02 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
30.
ADDITIVES FOR BUILD MATERIALS AND ASSOCIATED PRINTED 3D ARTICLES
Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.
B29C 64/129 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C08F 220/36 - Esters containing nitrogen containing oxygen in addition to the carboxy oxygen
C08F 224/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a heterocyclic ring containing oxygen
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Bioreactor for cell culturing; cell culture apparatus for laboratory use, namely, cell culture instrument using tissue cultures in a microfluidic device; laboratory apparatus, namely, pumping systems, bioreactors, and cell assembly apparatus for laboratory use for fabrication of three dimensional (3D) engineered living tissues.
(2) Cell culture apparatus for medical use, namely, cell culture instrument using tissue cultures in a microfluidic device. (1) Scientific and technological services and research and design relating thereto; industrial analysis and research services; pharmaceutical research and development services; providing medical research and scientific research information in the field of medicine and pharmaceuticals; computer software for programming and executing statistical analysis of data sets and for data analysis; scientific services relating to the isolation and culture of human tissues and cells.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Bioreactor for cell culturing; cell culture apparatus for laboratory use, namely, cell culture instrument using tissue cultures in a microfluidic device; laboratory apparatus, namely, pumping systems, bioreactors, and cell assembly apparatus for laboratory use for fabrication of three dimensional (3D) engineered living tissues.
(2) Cell culture apparatus for medical use, namely, cell culture instrument using tissue cultures in a microfluidic device. (1) Scientific and technological services and research and design relating thereto; industrial analysis and research services; pharmaceutical research and development services; providing medical research and scientific research information in the field of medicine and pharmaceuticals; scientific services relating to the isolation and culture of human tissues and cells; computer software for programming and executing statistical analysis of data sets and for data analysis.
Build materials for 3D printing applications are described herein which, in some embodiments, comprise a dye component operable to alter spectral characteristics of the printed part over the course of the build cycle. In some embodiments, for example, the dye component can provide desirable light penetration depth during article printing and sufficient optical clarity during final light curing processes.
C08F 220/50 - Nitriles containing four or more carbon atoms
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
34.
ADDITIVES FOR BUILD MATERIALS AND ASSOCIATED PRINTED 3D ARTICLES
Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
A three-dimensional (3D) printing system (2) for manufacturing a 3D article includes a resin vessel (6), a build plate (8), a plate support (10), a hook subsystem (12), an elevator subsystem (14), an imaging subsystem (16), and a controller (20). The build plate has an upper surface and extends from a proximal end to a distal end. The hook subsystem includes a hook (46). The controller is configured to: (a) Operate the elevator subsystem and the imaging subsystem to fabricate the 3D article. (b) Operate the elevator subsystem to raise the 3D article above photocurable resin in the resin vessel. (c) Operate the hook subsystem to configure the hook to be engaged with the proximal end of the build plate. (d) Operate the elevator subsystem to impart a vertical separation distance between the proximal and distal ends of the build plate. The vertical separation distance defines an angular tilt of the 3D article to facilitate draining of residual photocurable.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
A clamping device is disclosed having a rigid frame and a concavity for accepting items to be clamped together, a clamping action upon items entering into the concavity being facilitated by a contacting member in conjunction with a force-maintaining member and a displacement-limiting element to readily accommodate a range of clamped item dimensions without requiring separate opening or tightening adjustments to be performed by a user while applying the clamping device.
Provided herein is a system for producing a product. The system generally comprises a large-area micro-stereolithography system and a layer leveling system. The large-area micro-stereolithography system is capable of generating the product by optically polymerizing successive layers of a curable resin at a print plane. The layer leveling system is capable of flattening a non-flat region (such as a meniscus) of the curable resin in a vicinity of the build plane.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/129 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B29C 64/386 - Data acquisition or data processing for additive manufacturing
38.
METHODS OF CALIBRATION OF A STEREOLITHOGRAPHY SYSTEM
Provided herein is a system for producing a product. The system generally comprises a large-area micro-stereolithography system, an optical imaging system, and a controller in communication with the large-area micro-stereolithography system and the optical imaging system. The large-area micro-stereolithography system is capable of generating the product by optically polymerizing successive layers of a curable resin at a build plane. The controller is capable of analyzing a focus level of the reference target based on the captured image; and based on the analyzing, adjusting a focus property of the projected image beam of the stereolithography system.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
C12M 3/00 - Tissue, human, animal or plant cell, or virus culture apparatus
G01D 18/00 - Testing or calibrating apparatus or arrangements provided for in groups
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
39.
SYSTEMS AND METHODS FOR LAYER LEVELING IN LARGE-AREA MICROSTEREOLITHOGRAPHY
Provided herein is a system for producing a product. The system generally comprises a large-area micro-stereolithography system and a layer leveling system. The large-area micro-stereolithography system is capable of generating the product by optically polymerizing successive layers of a curable resin at a print plane. The layer leveling system is capable of flattening a non-flat region (such as a meniscus) of the curable resin in a vicinity of the build plane.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
40.
METHODS OF CALIBRATION OF A STEREOLITHOGRAPHY SYSTEM
Provided herein is a system for producing a product. The system generally comprises a large-area micro-stereolithography system, an optical imaging system, and a controller in communication with the large-area micro-stereolithography system and the optical imaging system. The large-area micro-stereolithography system is capable of generating the product by optically polymerizing successive layers of a curable resin at a build plane. The controller is capable of analyzing a focus level of the reference target based on the captured image; and based on the analyzing, adjusting a focus property of the projected image beam of the stereolithography system.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
41.
STEREOLITHOGRAPHY MANUFACTURING SYSTEM AND METHOD FOR HIGH PERFORMANCE CUSTOMIZED ARTICLES
A three-dimensional (3D) printing system (2) for manufacturing a 3D article (4) includes a resin vessel (6), a build tray (8), a movement mechanism (10), a light engine (12), a housing (14), a gas handling system (16), and a controller (18). The resin vessel includes a transparent sheet (20) on a lower side (22). The housing defines two chambers including an upper chamber (40) and a lower chamber (42). The upper chamber is in fluidic communication with the resin contained by the resin vessel. The lower chamber is in fluid communication with a lower surface (22) of the transparent sheet. The controller is configured to (a) operate the gas handling system to reduce and control a partial pressure of oxygen in the upper and lower chambers, (b) operate the movement mechanism and the light engine to form the 3D article in a layer-by-layer manner.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
42.
Manufacturing System and Method for High Performance Customized Articles
A three-dimensional (3D) printing system for manufacturing a 3D article includes a resin vessel, a build tray, a movement mechanism, a light engine, a housing, a gas handling system, and a controller. The resin vessel includes a transparent sheet on a lower side. The housing defines two chambers including an upper chamber and a lower chamber. The upper chamber is in fluidic communication with the resin contained by the resin vessel. The lower chamber is in fluid communication with a lower surface of the transparent sheet. The controller is configured to (a) operate the gas handling system to reduce and control a partial pressure of oxygen in the upper and lower chambers, (b) operate the movement mechanism and the light engine to form the 3D article in a layer-by-layer manner.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
43.
SYSTEMS AND METHODS FOR PERFORMING OPTICALLY CALIBRATED LARGE-AREA MICROSTEREOLITHOGRAPHY
Provided herein is a system for producing a product. The system generally comprises a large-area micro-stereolithography system, an optical imaging system, and a controller in communication with the large-area micro-stereolithography system and the optical imaging system. The large-area micro-stereolithography system is capable of generating the product by optically polymerizing successive layers of a curable resin at a build plane. The controller is capable of directing the optical imaging system to obtain one or more optical images of the product or of a reference component located at the build plane, and adjusting a parameter associated with the large-area micro-stereolithography system based on the one or more images.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
There is provided improved laser sintering systems that increase the powder density and reduce anomalies of the powder layers that are sintered, that measure the laser power within the build chamber for automatic calibration during a build process, that deposit powder into the build chamber through a chute to minimize dusting, and that scrubs the air and cools the radiant heaters with recirculated scrubbed air. The improvements enable the laser sintering systems to make parts that are of higher and more consistent quality, precision, and strength, while enabling the user of the laser sintering systems to reuse greater proportions of previously used but unsintered powder.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B28B 1/00 - Producing shaped articles from the material
45.
Liquid cooling for pellet extruder in a fused deposition modeling system
In the context of a system that uses a pellet-type extruder head to form solid objects by moving the extruder relative to a build surface while melting and extruding pellets of raw material, systems and methods are provided which comprise cooling at least a portion of a pathway by which pellets of raw material are conveyed to a rotating extruder lead screw of the extruder head.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
46.
DEVICES AND METHODS FOR REGISTERING AN IMAGING MODEL TO AN AUGMENTED REALITY SYSTEM BEFORE OR DURING SURGERY
Systems and methods are provided for improving registration of AR (augmented reality) units at a surgery scene. Systems comprise augmented reality (AR) unit(s) comprising and/or in communication with head mounted display(s) (HMDs) used by a user, and physical device(s) made of sterilizable biocompatible material and configured as a registration template. The AR unit and/or segmentation software associated therewith may be configured to align a device representation of the physical device onto an imaging model of a patient, and the AR unit and/or the HMD may be configured to register, on the HMD, the device representation with the aligned imaging model onto the physical device, which is positioned with respect to the patient and is viewed through the HMD—to display the imaging model or parts thereof in a corresponding spatial relation to the patient. Registration using the physical device simplifies the coordination among real and virtual devices.
Systems and methods are provided for improving registration of AR (augmented reality) units at a surgery scene. Systems comprise augmented reality (AR) unit(s) comprising and/or in communication with head mounted display(s) (HMDs) used by a user, and physical device(s) made of sterilizable biocompatible material and configured as a registration template. The AR unit and/or segmentation software associated therewith may be configured to align a device representation of the physical device onto an imaging model of a patient, and the AR unit and/or the HMD may be configured to register, on the HMD, the device representation with the aligned imaging model onto the physical device, which is positioned with respect to the patient and is viewed through the HMD – to display the imaging model or parts thereof in a corresponding spatial relation to the patient. Registration using the physical device simplifies the coordination among real and virtual devices.
A61B 5/05 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
G09G 5/00 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
48.
Inks for 3D printing having low print through depth
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 70/00 - Materials specially adapted for additive manufacturing
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29K 105/00 - Condition, form or state of moulded material
B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
49.
FLAME RESISTANT BUILD MATERIALS AND ASSOCIATED PRINTED 3D ARTICLES
Polymerizable liquids for 3D printing applications are described herein which, in some embodiments, impart flame resistant and/or flame retardant properties to articles printed from the liquids. The polymerizable liquids may also impart desirable mechanical properties to the articles. In some embodiments, a polymerizable liquid comprises a curable isocyanurate component in an amount of at least 5 wt. %, based on total weight of the polymerizable liquid, and a brominated acrylate ester component. Additionally, methods of printing three-dimensional articles using said polymerizable liquids are described herein.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
50.
ADDITIVES FOR BUILD MATERIALS AND ASSOCIATED PRINTED 3D ARTICLES
Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart flame retardant properties and/or structural enhancements to articles printed from the build materials. In some embodiments, such an additive comprises a compound of Formula (I) herein, wherein L and Z are ring substituents comprising at least one polymerizable point of unsaturation, and wherein R1and R2are independently selected from the group consisting of alkylene and alkenylene, and R3-R6 each represent one to four optional ring substituents, each one of the one to four ring substituents independently selected from the group consisting of alkyl, heteroalkyl, haloalkyl, halo, hydroxyl, alkoxy, amine, amide, and ether, and wherein n is an integer from 1 to 7.
Polymerizable liquids for 3D printing applications are described herein which, in some embodiments, impart flame resistant and/or flame retardant properties to articles printed from the liquids. The polymerizable liquids may also impart desirable mechanical properties to the articles. In some embodiments, a polymerizable liquid comprises a curable isocyanurate component in an amount of at least 5 wt.%, based on total weight of the polymerizable liquid, and a brominated acrylate ester component. Additionally, methods of printing three-dimensional articles using said polymerizable liquids are described herein.
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
C08F 26/06 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containin by a heterocyclic ring containing nitrogen
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
52.
INKS FOR 3D PRINTING HAVING LOW POLYMERIZATION SHRINKAGE
In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises 20-60 wt. % oligomeric curable material; 10-50 wt. % cyclocarbonate (meth)acrylate monomer; and 0.1-5 wt. % photoinitiator, based on the total weight of the ink. Additionally, in some cases, the ink further comprises one or more additional curable materials differing from the oligomeric curable material and the cyclocarbonate (meth)acrylate monomer. An ink described herein, in some embodiments, also comprises one or more additional component that are non-curable.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
C08F 20/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
C08F 20/36 - Esters containing nitrogen containing oxygen in addition to the carboxy oxygen
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Biologically compatible polymers, namely, resins or hydrogels used to manufacture polymeric networks used in the manufacture of engineered living tissue for medical, scientific and non-scientific purposes; cells for scientific, laboratory or medical research; diagnostic preparations for scientific or research use Biological tissue cultures for medical purposes; diagnostic preparations for medical purposes Bioreactors for cell culturing; cell culture apparatus for laboratory use, namely, cell culture instrument using tissue cultures in a microfluidic device; laboratory apparatus, namely, systems comprised of bioreactors for laboratory use and cell assembly apparatus for laboratory use for fabrication of three dimensional (3D) engineered living tissues; downloadable computer software for programming and executing statistical analysis of data sets and for data analysis Cell culture apparatus for medical use, namely, cell culture instrument using tissue cultures in a microfluidic device Three dimensional printing (3DP) services for other; 3D Bioprinting, namely, fabrication of living tissue models using specialized three dimensional printers; Bioprinting, namely, fabrication of living tissue models; creation of customized three-dimensional shaped parts using rapid prototyping equipment Scientific research and development in the fields of drug discovery and pharmaceutical drug development; industrial research in the field of drug discovery and development; pharmaceutical research and development services; providing medical research and scientific research information in the field of medicine and pharmaceuticals; providing temporary use of online, non-downloadable computer software for programming and executing statistical analysis of data sets and for data analysis; cell culture services for scientific and research purposes, for others
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Biologically compatible polymers, namely, resins or hydrogels used to manufacture polymeric networks used in the manufacture of engineered living tissue for medical, scientific and non-scientific purposes; cells for scientific, laboratory or medical research; diagnostic preparations for scientific or research use Biological tissue cultures for medical purposes; diagnostic preparations for medical purposes Three dimensional (3D) printers; machines in the nature of three dimensional (3D) printers for the printing of engineered living tissues; machines for manufacturing three dimensional (3D) engineered tissue scaffolds or living tissues, namely, 3D printers Bioreactor for cell culturing; cell culture apparatus for laboratory use, namely, cell culture instrument using tissue cultures in a microfluidic device; laboratory apparatus, namely, systems comprised of bioreactors for laboratory use and cell assembly apparatus for laboratory use for fabrication of three dimensional (3D) engineered living tissues; downloadable computer software for programming and executing statistical analysis of data sets and for data analysis Cell culture apparatus for medical use, namely, cell culture instrument using tissue cultures in a microfluidic device Three dimensional printing (3DP) services for other; 3D Bioprinting, namely, fabrication of living tissue models using specialized three dimensional printers; Bioprinting, namely, fabrication of living tissue models; creation of customized three-dimensional shaped parts using rapid prototyping equipment Scientific research and development in the fields of drug discovery and pharmaceutical drug development; industrial research in the field of drug discovery and development; pharmaceutical research and development services; providing medical research and scientific research information in the field of medicine and pharmaceuticals; providing temporary use of online, non-downloadable computer software for programming and executing statistical analysis of data sets and for data analysis; cell culture services for scientific and research purposes, for others
55.
High capacity three-dimensional printer with drain system for heavy articles
A three-dimensional (3D) printing system for manufacturing a 3D article includes a resin vessel, a build plate, a plate support, a hook subsystem, an elevator subsystem, an imaging subsystem, and a controller. The build plate has an upper surface and extends from a proximal end to a distal end. The hook subsystem includes a hook. The controller is configured to: (a) Operate the elevator subsystem and the imaging subsystem to fabricate the 3D article. (b) Operate the elevator subsystem to raise the 3D article above photocurable resin in the resin vessel. (c) Operate the hook subsystem to configure the hook to be engaged with the proximal end of the build plate. (d) Operate the elevator subsystem to impart a vertical separation distance between the proximal and distal ends of the build plate. The vertical separation distance defines an angular tilt of the 3D article to facilitate draining of residual photocurable.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/232 - Driving means for motion along the axis orthogonal to the plane of a layer
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
56.
LARGE ARRAY STEREOLITHOGRAPHY WITH EFFICIENT OPTICAL PATH
A three-dimensional printing system includes a resin vessel containing resin, an imaging bar, a movement mechanism coupled to the imaging bar, and a controller. The imaging bar includes an arrangement of light emitting devices that selectively emit radiation from an exit surface of the imaging bar to define a build plane in the resin. The exit surface of the imaging bar is preferably less than 10 millimeters from the build plane. The controller is configured to scan the imaging bar along a scan axis and, concurrent with scanning, operate the imaging bar to selectively image a layer of resin at the build plane.
B29C 64/277 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
A method for detecting two dimensional sketch data from source model data for three dimensional reverse modeling. The method includes the steps of detecting optional model data, establishing X-axis, Y-axis and Z-axis of the model data depending upon a reference coordinate system information inputted from a user, and setting a work plane for detecting two dimensional section data of the model data; projecting, on the work plane, two dimensional section data to be detected from the model data or polylines detected by designating a detection position; detecting two dimensional projected section data of the model data projected on the work plane, and dividing the two dimensional projected section data into feature segments depending upon a curvature distribution; and establishing a constraint and numerical information in accordance with connection of the divided feature segments of the two dimensional projected section data, and creating two dimensional sketch data.
A system for manufacturing a three-dimensional (3D) article includes a controller. The controller is configured to (A) receive a solid model defining the 3D article having an unsupported (downward facing) surface and (B) define a support structure for the unsupported surface. The support structure includes (1 ) a lower support beam, (2) a node body, and (3) at least three branches. The node body is defined at an upper end of the lower support beam. The node body has an upper surface that is generally in facing relation with the unsupported surface. The at least three branches extend with a diverging geometry away from the upper surface of the node body and to the unsupported surface. The branches are individually defined by a vertical sequence of contour scan patterns.
B22F 10/366 - Scanning parameters, e.g. hatch distance or scanning strategy
B22F 10/38 - Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B22F 10/40 - Structures for supporting workpieces or articles during manufacture and removed afterwards
B22F 10/47 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by structural features
59.
Branching Support for Metals That Minimizes Material Usage
A system for manufacturing a three-dimensional (3D) article includes a controller. The controller is configured to (A) receive a solid model defining the 3D article having an unsupported (downward facing) surface and (B) define a support structure for the unsupported surface. The support structure includes (1) a lower support beam, (2) a node body, and (3) at least three branches. The node body is defined at an upper end of the lower support beam. The node body has an upper surface that is generally in facing relation with the unsupported surface. The at least three branches extend with a diverging geometry away from the upper surface of the node body and to the unsupported surface. The branches are individually defined by a vertical sequence of contour scan patterns.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
60.
Carrier Matrix for Facilitating Transfer of Skin Cores from Donor Site to Wound Site
An article is configured for transferring tissue cores from a patient donor site to a patient wound site. The article includes a matrix construction of resilient elastomeric polymer material to support an array of tissue core locators individually defining an opening and individually configured to: (1) receive a tissue core from the donor site into the opening, (2) resiliently hold the tissue core at the opening until and after the sheet is placed upon the wound site, and (3) release the tissue core when the sheet is removed from the wound site at a time that is between 2 and 29 days after the sheet is placed upon the wound site.
Polymerizable liquids for 3D printing applications are described herein which, in some embodiments, impart flame resistant and/or flame retardant properties to articles printed from the build materials. The polymerizable liquids may also impart desirable mechanical properties to the articles. In some embodiments, a polymerizable liquid comprises a curable isocyanurate component in an amount of at least 20 wt.%, based on total weight of the polymerizable liquid, and an organophosphate component comprises one or more organophosphate compounds. In some embodiments, the polymerizable liquid further comprises an acrylate component.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
62.
FLAME RESISTANT BUILD MATERIALS AND ASSOCIATED PRINTED 3D ARTICLES
Polymerizable liquids for 3D printing applications are described herein which, in some embodiments, impart flame resistant and/or flame retardant properties to articles printed from the build materials. The polymerizable liquids may also impart desirable mechanical properties to the articles. In some embodiments, a polymerizable liquid comprises a curable isocyanurate component in an amount of at least 20 wt. %, based on total weight of the polymerizable liquid, and an organophosphate component comprises one or more organophosphate compounds. In some embodiments, the polymerizable liquid further comprises an acrylate component.
An article is configured for transferring tissue cores from a patient donor site to a patient wound site. The article includes a matrix construction of resilient elastomeric polymer material to support an array of tissue core locators individually defining an opening and individually configured to: (1) receive a tissue core from the donor site into the opening, (2) resiliently hold the tissue core at the opening until and after the sheet is placed upon the wound site, and (3) release the tissue core when the sheet is removed from the wound site at a time that is between 2 and 29 days after the sheet is placed upon the wound site.
A three-dimensional (3D) printing system for manufacturing a three-dimensional (3D) article includes a support powder dispenser containing support powder, a metal powder dispenser containing metal powder, a build plate, a beam system, and a controller. The controller is configured to (1) receive information defining a two-dimensional (2D) slice of the 3D article, (2) position the build plate to receive a new layer of metal powder, (3) operate the metal powder dispenser to dispense the new layer of metal powder, the new layer of metal powder spanning the 2D slice and extending beyond the boundaries to define a zone of unfused powder, (4) operate the beam system to selectively fuse the new layer of powder over an area corresponding to the 2D slice, (5) operate the support powder dispenser to dispense a bounding contour of support powder proximate to or overlapping the zone of unfused powder.
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, and a composite resin comprising a curable carrier and polymeric particles dispersed in the curable carrier. The polymerizable liquid also comprises a photoinitiator component.
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08F 291/02 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups on to elastomers
C08F 283/01 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to unsaturated polyesters
C08F 285/00 - Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, and a composite resin comprising a curable carrier and polymeric particles dispersed in the curable carrier. The polymerizable liquid also comprises a photoinitiator component.
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
C09D 135/02 - Homopolymers or copolymers of esters
67.
THREE-DIMENSIONAL PRINTING SYSTEM WITH IMPROVED MOTION AND IMAGING CONTROL
A three-dimensional printing system includes a resin vessel (4), a build tray (6), a movement mechanism (8), a sensor (12), a light engine (10), and a controller (16). The resin vessel is configured to contain photocurable (radiation curable) resin (18) and includes a transparent sheet (20). The transparent sheet has an upper surface that defines a lower bound for the photocurable resin. The build tray has a lower surface configured to support the 3D article (22). A lower face is defined by either the build tray or the 3D article. The sensor is configured to output a signal indicative of a vertical position of the transparent sheet. The light engine is configured to image a build plane that is proximate to the upper surface of the transparent sheet. The controller is configured to control motion of the movement mechanism based upon analyzing a signal from the sensor including determining a maximum deflection of the transparent sheet during motion.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/232 - Driving means for motion along the axis orthogonal to the plane of a layer
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A three-dimensional printing system for fabricating a three-dimensional article includes a motorized build platform, a dispensing module, a pulsed light source, an imaging module, a movement mechanism, and a controller. The imaging module receives radiation from the pulsed light source and includes a two-dimensional mirror array. The movement mechanism imparts lateral motion between the imaging module and the build platform. The controller is configured to operate the motorized build platform and the dispensing module to form a layer of build material at a build plane, operate the movement mechanism to laterally scan the imaging module over the build plane, operate the pulsed light source to generate a sequence of radiation pulses that illuminate the mirror array, and operate the mirror array to selectively image the build material.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A surgical guide includes a metal guide and a plastic reference formed by additive manufacturing. The metal guide is configured to engage a bone surface of a first body area. The metal guide includes a main plate and an arm. The main plate has an inner surface customized and shaped to the bone surface. The main plate defines mounting guides for securing the main plate to the bone surface and defines a machining guide for drilling or cutting through the bone surface. The arm is formed to the main plate at a proximal end and extends to a distal end. The plastic reference has a reference surface customized and shaped to a surface of a second body area that is physically separated from the first body area.
A surgical guide includes a metal guide and a plastic reference formed by additive manufacturing. The metal guide is configured to engage a bone surface of a first body area. The metal guide includes a main plate and an arm. The main plate has an inner surface customized and shaped to the bone surface. The main plate defines mounting guides for securing the main plate to the bone surface and defines a machining guide for drilling or cutting through the bone surface. The arm is formed to the main plate at a proximal end and extends to a distal end. The plastic reference has a reference surface customized and shaped to a surface of a second body area that is physically separated from the first body area.
An additive manufacturing system for producing a three-dimensional article includes a print engine, a post-fabrication powder removal apparatus, a transport mechanism, and a controller. The post fabrication removal apparatus includes a rotary frame defining an internal receptacle cavity, a plurality of clamps coupled to a corresponding plurality of actuators, a clamping plate coupled to a lift apparatus, and an agitation device mounted to the clamping plate. The controller is configured to perform the following steps: (1) Operate the transport mechanism to transport the build box to the internal receptacle cavity. (2) Operate the plurality of actuators to engage the build box with the plurality of clamps to secure the build box to the rotary frame. (3) Operate the rotary frame to rotate the build box until unfused powder begins to exit the build box. (4) Operate the agitation device to facilitate pouring of the unfused powder from the build box.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
A 3D printing system includes a print engine, a powder dispenser, and a controller. The print engine includes a chassis defining an inner chamber with a docking chamber, a build box with a build plate, an energy beam system, and a powder track coater (PTC) coupled to a gantry. The controller is configured to: (A) operate the gantry and the PTC to selectively dispense a track of powder over the build plate, (B) operate the gantry to transport the PTC to the docking station, (C) operate the energy beam system to selectively fuse the track of powder, and (D) concurrent with operating the energy beam to (D1) measure a level of powder in the PTC and (D2) if the level of powder in the PTC is below a predetermined threshold, operate the powder dispenser to transfer a controlled volume of powder to the PTC.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes
A three-dimensional (3D) print engine includes (A) a plurality of walls laterally defining a build chamber, (B) a build box including a build plate, (C) a powder dispenser, (D) a beam system for fusing layers of powder, (E) a peripheral plate disposed between the build plate and the plurality of walls and having an upper surface, (F) a gas inlet (54) that ejects a gas flow stream that passes over the build plate and the peripheral plate, (G) a gas outlet (56) that receives the gas flow stream, (H) a plurality of projecting structures (70, 72, 74, 76) mounted to and extending above the upper surface of the peripheral plate, and (I) a gas handling system coupled to the gas inlet and gas outlet. The plurality of projecting structures shape the flow field of the gas flow stream to provide a more uniform velocity of gas flow velocities above the build plane.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
74.
Three-Dimensional Print Engine with Large Area Build Plane Having Optimized Gas Flow Director Structures
A three-dimensional (3D) print engine includes (A) a plurality of walls laterally defining a build chamber, (B) a build box including a build plate, (C) a powder dispenser, (D) a beam system for fusing layers of powder, (E) a peripheral plate disposed between the build plate and the plurality of walls and having an upper surface, (F) a gas inlet that ejects a gas flow stream that passes over the build plate and the peripheral plate, (G) a gas outlet that receives the gas flow stream, (H) a plurality of projecting structures mounted to and extending above the upper surface of the peripheral plate, and (I) a gas handling system coupled to the gas inlet and gas outlet. The plurality of projecting structures shape the flow field of the gas flow stream to provide a more uniform velocity of gas flow velocities above the build plane.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
A 3D printing system includes a print engine, a powder dispenser, and a controller. The print engine includes a chassis defining an inner chamber with a docking chamber, a build box with a build plate, an energy beam system, and a powder track coater (PTC) coupled to a gantry. The controller is configured to: (A) operate the gantry and the PTC to selectively dispense a track of powder over the build plate, (B) operate the gantry to transport the PTC to the docking station, (C) operate the energy beam system to selectively fuse the track of powder, and (D) concurrent with operating the energy beam to (D1) measure a level of powder in the PTC and (D2) if the level of powder in the PTC is below a predetermined threshold, operate the powder dispenser to transfer a controlled volume of powder to the PTC.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
76.
System and method for recalculating analysis report of 3D scan data
Disclosed is a system and method for allowing analysis results of scan data to have supplemental geometry and various measurements generated from the supplemental geometry or mutual common relations between geometric tolerances, and when the scan data changes, the analysis results according to the related data are recalculated in real time in order to simplify the repetitive inspection process according to the scan data changes.
The present invention relates to a three-dimensional bioprinter for printing and/or patterning a single type or multiple types of cells into different geometrical arrangements and other three-dimensional structures, such as tissues. The bioprinter comprises multiple heads that can each be loaded with a different cartridge containing a biomaterial or biological material such as cells in a solution or cells in a hydrogel. Each bioprinter head and cartridge has the ability to heat or cool using Peltier technology. The bioprinter also has the ability to auto calibrate on a bed plate configured to accept a petri dish or microtiter plate.
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
C12M 3/00 - Tissue, human, animal or plant cell, or virus culture apparatus
C12N 5/00 - Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
C12N 5/071 - Vertebrate cells or tissues, e.g. human cells or tissues
In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein is a composite ink. Such a composite ink, in some cases, comprises an optically transparent or substantially transparent carrier ink comprising a curable material; and a colorant dispersed in the carrier ink in an amount of about 0.01 to 5 weight %, based on the total weight of the composite ink.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
A three-dimensional printing system for solidifying a photocurable resin in a layer-by-layer manner at a build plane includes a scan module, a transparent plate, a sensor, and a controller. The scan module is configured to scan the light beam along two axes to address the build plane. The transparent plate is positioned in the optical path between the scan module and the build plane. The transparent plate has at least one reflective feature in the optical path. The sensor is mounted above the glass plate and is positioned to receive light reflected from the reflective feature. The controller is configured to operate the scan module to scan the light beam across the build plane, receive a signal from the sensor when the light beam impinges upon the reflective feature, and analyze the signal to verify a proper alignment of the light beam to the build plane.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G01N 21/94 - Investigating contamination, e.g. dust
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 33/00 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor
80.
THREE-DIMENSIONAL PRINTING SYSTEM THAT MINIMIZES USE OF METAL POWDER
A three-dimensional (3D) printing system for manufacturing a three-dimensional (3D) article includes a support powder dispenser containing support powder, a metal powder dispenser containing metal powder, a build plate, a beam system, and a controller. The controller is configured to (1) receive information defining a two-dimensional (2D) slice of the 3D article, (2) position the build plate to receive a new layer of metal powder, (3) operate the metal powder dispenser to dispense the new layer of metal powder, the new layer of metal powder spanning the 2D slice and extending beyond the boundaries to define a zone of unfused powder, (4) operate the beam system to selectively fuse the new layer of powder over an area corresponding to the 2D slice, (5) operate the support powder dispenser to dispense a bounding contour of support powder proximate to or overlapping the zone of unfused powder.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
81.
EFFICIENT BULK UNFUSED POWDER REMOVAL SYSTEM AND METHOD
An additive manufacturing system for producing a three-dimensional article includes a print engine, a post-fabrication powder removal apparatus, a transport mechanism, and a controller. The post fabrication removal apparatus includes a rotary frame defining an internal receptacle cavity, a plurality of clamps coupled to a corresponding plurality of actuators, a clamping plate coupled to a lift apparatus, and an agitation device mounted to the clamping plate. The controller is configured to perform the following steps: (1 ) Operate the transport mechanism to transport the build box to the internal receptacle cavity. (2) Operate the plurality of actuators to engage the build box with the plurality of clamps to secure the build box to the rotary frame. (3) Operate the rotary frame to rotate the build box until unfused powder begins to exit the build box. (4) Operate the agitation device to facilitate pouring of the unfused powder from the build box.
B08B 1/00 - Cleaning by methods involving the use of tools, brushes, or analogous members
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/86 - Serial processing with multiple devices grouped
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
Disclosed is a bioextruder assembly capable of "retro-fit" an existing three-dimensional (3D) printer such that it is capable of printing biomaterials. The bioextruder assembly may be modular, self-contained, and configured as "plug-and-play" unit. In some embodiments, the bioextruder assembly may be configured for use in zero-gravity environments such as space and configured to engage with existing 3D printers in space. In some embodiments the bioextruder assembly includes an extruder configured to extrude bio-materials stored in a syringe that is coupled to the extruder, and a converter. The converter may include an electromechanical coupling component that couples the converter to a three-dimensional printer system, and a motor configured to actuate the extrusion of bio-materials stored in the syringe based on signals received from the three-dimensional printing system via the electromechanical coupling component. In some embodiments, the converter may be configured to reversibly attach to the extruder via an attachment element.
B29C 64/307 - Handling of material to be used in additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
83.
3D PRINTING INK CONTAINING A CYCLOPOLYMERIZABLE MONOMER
In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprise 10-70 wt. % or 20-40 wt. % of a cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises an acrylate moiety and an ethenyl or ethynyl moiety, and the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety may have a 1,5-, 1,6-, 1,7-, or 1,8-relationship. Additionally, an ink described herein can have a viscosity of 1600 centipoise (cP) or less at 30° C., or of 500 cP or less at 30° C. and can be used to print a desired 3D article having mechanical properties similar to those of articles formed from thermoplastic materials.
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
C08F 36/20 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds unconjugated
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
A system for manufacturing a three-dimensional article includes a resin vessel, a vertical movement mechanism, and a light engine. The resin vessel includes a lower opening closed by a transparent sheet. The vertical movement mechanism is for positioning a support tray which supports the three-dimensional article. The light engine is disposed below the transparent sheet and is configured to selectively harden layers of resin over a build plane above the transparent sheet. The light engine includes a light bar coupled to a lateral movement mechanism. The light bar includes an array of light emitting devices and a device for impinging upon the transparent sheet. The impingement maintains a proper operating distance H between the transparent sheet and the build plane.
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B29C 64/277 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
B29C 64/255 - Enclosures for the building material, e.g. powder containers
B29C 64/232 - Driving means for motion along the axis orthogonal to the plane of a layer
B29C 64/236 - Driving means for motion in a direction within the plane of a layer
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 80/00 - Products made by additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises up to about 90 wt. % monofunctional curable material, up to about 10 wt. % difunctional curable material, and up to about 10 wt. % liquid rubber, based on the total weight of the ink, wherein the liquid rubber comprises one or more curable moieties. In some cases, the liquid rubber comprises one or more ethylenically unsaturated moieties. For example, in some instances, the liquid rubber comprises a butadiene acrylonitrile copolymer.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
Disclosed are systems and methods for a bioprinter capable of printing an object having biological components. In some embodiments, the bioprinter includes a modular print bed having a recessed area configured to receive a variable insert and a printer head positioned above the modular print bed. In some embodiments, the printer head has a cartridge for receiving and holding a biomaterial, and an extruder configured to extrude biomaterials from the cartridge onto a portion of the variable insert. The variable insert may include functional elements (e.g., heating, cooling, photocuring) and/or receiving elements (e.g., well plates).
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises 10-70 wt. % cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises a first ethenyl or ethynyl moiety and a second ethenyl or ethynyl moiety. Additionally, the α-carbon of the first ethenyl or ethynyl moiety and the α-carbon of the second ethenyl or ethynyl moiety have a 1,5-, 1,6-, 1,7-, or 1,8-relationship.
B29C 35/04 - Heating or curing, e.g. crosslinking or vulcanising using liquids, gas or steam
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29K 105/00 - Condition, form or state of moulded material
In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
The present invention provides a three-dimensional bioprinter for fabricating cellular constructs such as tissues and organs using electromagnetic radiation (EMR) at or above 405 nm. The bioprinter includes a material deposition device comprising a cartridge for receiving and holding a composition which contains biomaterial that cures after exposure to EMR. The bioprinter also includes an EMR module that emits EMR at a wavelength of about 405 nm or higher. Also provided is a bioprinter cartridge which contains cells and a material curable at a wavelength of about 405 nm or greater. The cells are present in a chamber and arc extruded through an orifice to form the cellular construct.
B33Y 80/00 - Products made by additive manufacturing
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/255 - Enclosures for the building material, e.g. powder containers
B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
A three-dimensional (3D) printing system for manufacturing a three-dimensional article includes a resin vessel for containing a volume of photocurable resin having a resin upper surface, an imaging system configured to define a build plane, a build plate having a build plate upper surface, a build plate positioner, a sensor configured to generate a signal indicative of a fluid-related vertical position of one or more of the resin upper surface and a component of a volume compensator (VC), and a controller. The controller is configured to (1) operate the build plate positioner to vertically translate build plate upper surface, (2) concurrent with operating the build plate positioner, receiving the signal from the sensor, (3) analyze the signal to determine a build plate geometric signature, and (4) determine or suspend a build plan for building the 3D article based upon the determined geometric signature.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A bio-assembly, a kit for a bio-assembly and methods of using the same are provided. The bio-assembly includes a substrate and a bio-scaffold affixed to the substrate. In accordance with various embodiments, a loader plate having a partition or a loader and a plate having a partition are provided. In accordance with various embodiments, the loader plate includes a partition outlet and a partition inlet, wherein the partition outlet and the partition inlet in fluid communication with the gel. In accordance with various embodiments, the partition comprising an internal volume and shaped to receive the bio-scaffold, and the loader includes a loader inlet and a loader outlet in fluid communication with the gel. In accordance with various embodiments, a bio-compatible adhesive positioned between the substrate and the loader plate or plate. In accordance with various embodiments, a fluid mixture is injected into the bio-scaffold.
A bio-assembly, a kit for a bio-assembly and methods of using the same are provided. The bio-assembly includes a substrate and a bio-scaffold affixed to the substrate. In accordance with various embodiments, a loader plate having a partition or a loader and a plate having a partition are provided. In accordance with various embodiments, the loader plate includes a partition outlet and a partition inlet, wherein the partition outlet and the partition inlet in fluid communication with the gel. In accordance with various embodiments, the partition comprising an internal volume and shaped to receive the bio-scaffold, and the loader includes a loader inlet and a loader outlet in fluid communication with the gel. In accordance with various embodiments, a bio-compatible adhesive positioned between the substrate and the loader plate or plate. In accordance with various embodiments, a fluid mixture is injected into the bio-scaffold.
A three-dimensional printing system for fabricating or manufacturing a three-dimensional article includes a support plate, a resin containment structure, an actuator, a light engine, a support tray coupled to a movement mechanism, and a controller. The resin containment structure is supported by the support plate and includes a lower substructure that is moveably coupled to an upper substructure. The upper substructure defines an upper central opening that is closed by a transparent sheet. The lower substructure defines a lower central opening that is closed by a transparent plate. The actuator is affixed to the support plate and configured to rotate the upper substrate about the hinge between a (1) a raised position in which the transparent plate contacts and supports the transparent sheet and (2) a lowered position in which the transparent plate is out of contact with the transparent sheet.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/255 - Enclosures for the building material, e.g. powder containers
94.
Three-Dimensional Printing System Throughput Improvement by Sensing Volume Compensator Motion
A three-dimensional (3D) printing system includes a resin vessel containing photocurable resin, an imaging system, a build plate with a plate upper surface, a vertical positioner, a volume compensator (VC), and a controller. The controller is configured to: (a) operate the VC to maintain a resin upper surface proximate to a build plane, (b) operate the imaging system and the vertical positioner to generate a plurality of base layers upon the plate upper surface, (c) receive a first signal responsive to vertical motion of the resin upper surface, (d) analyze the first signal to determine a metric that is related to an extent of immersion of the plate upper surface below the resin upper surface during formation of the base layers, and (e) operate the imaging system and the vertical positioner to begin generation of the 3D article after the metric has reached a predefined threshold.
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B29C 64/232 - Driving means for motion along the axis orthogonal to the plane of a layer
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
95.
Three dimensional printing system detecting obstructions
A three dimensional printing system for manufacturing a three dimensional article includes a movement mechanism, a support tray, a resin vessel, a light engine, a sensor, and a controller. The support tray is mounted to the movement mechanism and has a lower surface for supporting the three dimensional article. The resin vessel includes a transparent sheet defining a lower bound for resin contained therein. The light engine projects pixelated light through the transparent sheet and to a build plane. The controller is configured to (a) receive a start indication for a build process, (b) operate the sensor, (c) determine if polymerized build material is in a flag region from the sensor signal, and (d) if polymerized build material is determined to be in the flag region, halt the build process.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A three-dimensional printing system includes a build vessel, a plate, a vertical movement mechanism coupled to the plate, a powder coater, an energy source, and a controller. The build vessel includes one or a plurality of vertical chamber walls. The vertical chamber wall(s) laterally enclose a build chamber and have inward facing surfaces that collectively define a lateral extent or width of the build chamber. The build vessel includes a lip that defines an upper surface of the build vessel. The lip extends inwardly from the inward facing surfaces to define an opening having a lateral extent that is smaller than the lateral extent of the build chamber. The plate has an upper surface and a lateral extent that is larger than the lateral extent of the opening. The plate laterally overlaps with the lip.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
97.
Three dimensional printing system with improved reliability, safety, and quality
A three dimensional printing system includes a vertical support, a support plate, a resin vessel, a fluid spill containment vessel, and a light engine. The support plate is affixed to the vertical support at a proximal end. The support plate has an inner surface defining a first central opening. The resin vessel is supported above the support plate and has an inner edges surrounding a second central opening. The resin vessel includes a transparent sheet that closes the second central opening. The fluid spill containment vessel is supported below the support plate and includes a transparent window. The light engine is supported below the fluid spill containment vessel. The first central opening, the second central opening, and the window laterally overlap to provide an optical path whereby the light engine can project light upwardly to a build plane in the resin vessel.
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
98.
Water soluble waxy support materials for three-dimensional printing applications
In one aspect, urethane waxes are described herein comprising a reaction product between monofunctional polyethylene oxide and polyisocyanate. In some embodiments, the urethane waxes are combined with other components to provide support materials for use in three-dimensional printing applications. A support material ink, for example, comprises a urethane wax comprising a reaction product between monofunctional polyethylene oxide and polyisocyanate. The support material ink, in some embodiments, further comprises monomeric curable material, oligomeric curable material, or mixtures thereof.
In one aspect, waxy build material inks are described herein which, in some embodiments, exhibit desirable print quality and associated mechanical properties for three-dimensional printing applications. A build material ink, in some embodiments, comprises 20-40 wt. % rosin component, 5-35 wt. % non-polar wax component, and 40-65 wt. % alcohol wax component comprising one or more waxes of the formula (CnH2n+1)OH wherein n is an integer from 15 to 40. In another aspect, a build material ink comprises a eutectic mixture including rosin component, a non-polar wax component, and an alcohol wax component comprising one or more waxes of the formula (CnH2n+1)OH wherein n is an integer from 15 to 40.
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
B33Y 80/00 - Products made by additive manufacturing
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
In one aspect, urethane waxes are described herein comprising a reaction product between monofunctional polyethylene oxide and polyisocyanate. In some embodiments, the urethane waxes are combined with other components to provide support materials for use in three-dimensional printing applications. A support material ink, for example, comprises a urethane wax comprising a reaction product between monofunctional polyethylene oxide and polyisocyanate. The support material ink, in some embodiments, further comprises monomeric curable material, oligomeric curable material, or mixtures thereof.
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08F 283/00 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
