The invention relates to a film extrusion machine, in particular a blown film extrusion machine, for producing a plastic film, said machine comprising: a die, in particular an annular die, for providing a plastic melt; and at least one draw-off roller, which is arranged downstream of and at a distance from the die, for drawing off the plastic melt, which has solidified in a frost zone to form a plastic film, in a transport direction, wherein the draw-off roller rotates at a peripheral speed. A speed determination device is provided for determining the local transport speed of at least a partial surface of the plastic melt and/or of the plastic film.
The invention relates to a method for producing a material tube from at least one material web, in which - a first material web is unwound from a first material web roll, - a second material web roll having a second material web is provided, - the leading end of the second material web is fastened to the first material web in a fastening region by a fastening device, - the first and/or the second material web is provided with weakening lines by a perforation or cutting device arranged downstream of the fastening device, each of which weakening lines assumes the same distance from one another, - wherein the fastening region is arranged in a region of the first material web that is located between two weakening lines that are to be subsequently introduced or are subsequently introduced.
B65H 19/18 - Attaching, e.g. pasting, the replacement web to the expiring web
B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
B65H 35/10 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
3.
DEVICE FOR UNWINDING A MATERIAL WEB FROM ONE OR MORE MATERIAL WEB ROLLS
The invention relates to a device for unwinding a material web from a plurality of material web rolls, said device comprising: a machine frame; a main bearing point, which is located on and in particular fastened to the machine frame, for rotatably supporting a first shaft for a first material web roll, wherein the material web roll can be unwound; a first drive shaft for rotationally driving the first material web roll, wherein the first drive shaft can be placed directly or indirectly against the outer periphery of the first material web roll in order to transmit the drive force; a first pair of pivot arms, the pivot arms of which are pivotably mounted in the machine frame, wherein one end of the first drive shaft is rotatably mounted in each pivot arm; a secondary bearing point which is located on the machine frame and by means of which the shaft can be transferred from the main bearing point and/or is provided for supporting a second shaft for a second material web roll; a second drive shaft for rotationally driving a material web roll supported on the secondary bearing point, wherein the second drive shaft can be placed directly or indirectly against the outer periphery of the material web roll supported on the secondary bearing position in order to transmit the drive force; a second pair of pivot arms, the pivot arms of which are pivotably mounted in the machine frame, wherein one end of the second drive shaft is rotatably mounted in each pivot arm, wherein the pivot arms of the first pair of pivot arms are positioned further outwards in relation to the machine frame than the pivot arms of the second pair of pivot arms when viewed from the perpendicular bisector of the first and/or second drive shaft.
The invention relates to a device (100) for unwinding a material web from a plurality of material web rolls (110), said device comprising: a machine frame (102); a main bearing point (105), which is located on and in particular fastened to the machine frame, for rotatably supporting a first shaft (109) for a first material web roll (110), wherein the material web roll can be unwound; a first drive shaft (121) for rotationally driving the first material web roll, wherein the first drive shaft can be placed directly or indirectly against the outer periphery of the first material web roll in order to transmit the drive force; a first pair of pivot arms, the pivot arms (122) of which are pivotably mounted in the machine frame, wherein one end of the first drive shaft is rotatably mounted in each pivot arm; a secondary bearing point which is located on the machine frame and which can take over the shaft from the main bearing point and/or is provided for supporting a second shaft for a second material web roll.
The invention describes a method for producing a material tube from at least one material web, in which • ■ a first material web (102) unwound from a first material web roller (101), • ■ a second material web roller (121) having a second material web is provided, • ■ the leading end (123) of the second material web is fastened to the first material web in a fastening region by a fastening device, • ■ the first and/or the second material web is provided with a perforating or cutting device (110, 111, 112) which is located downstream of the fastening device and each of which in particular assumes the same distance from one another, • ■ wherein the fastening region is located in a region of the first material web which is between two weakening lines that are to be subsequently introduced or are subsequently introduced.
B65H 19/18 - Attaching, e.g. pasting, the replacement web to the expiring web
B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
6.
METHOD FOR GUIDING A USER WHEN CHANGING A PROCESS, COMPUTER-PROGRAM PRODUCT AND SYSTEM
The invention relates to a method (100) for guiding a user when changing a process from a production process (200) for producing a first film material (201) to a subsequent process (210) for producing a second film material (211) in an extrusion device (10). The invention also relates to a computer-program product and to a system (1).
The invention relates to a method (100) for supporting at least one process change from a production process (200) for producing a first film material (201) to a subsequent process (210) for producing a second film material (211) in an extrusion device (10). The invention also relates to a computer program product and to a system (1).
The invention relates to a method (100) for supporting the execution of a process change from a production process (200) for producing a first film material (201) to a subsequent process (210) for producing a second film material (211) in an extrusion device (10). The invention also relates to a computer program product and to a system (1).
The invention relates to a method for changing tubing rolls, having the method steps: unwinding a first tube (3) of a first tubing roll (2) by means of a manufacturing device (1), wherein the first tubing roll (2) is accommodated in the manufacturing device (1) and wherein an opening tool (6) is arranged in an interior (7) of the first tube (3); preparing a second tubing roll (4) having a second tube (5); connecting an end portion (8) of the second tube (5) to the first tube (3); inserting the opening tool (6) from the first tube (3) into an interior (16) of the second tube (5); wherein when connecting the end portion (8) of the second tube (5) to the first tube (3), an exposed inner side (9) of the end portion (8) of the second tube (5) is connected in an overlapping manner to an outer side (10) of the first tube (3); and wherein a separation of the first tube (3) takes place along a separation location (11), wherein the separation is performed after the connection of the second tube (5) to the first tube (3) and before the insertion of the opening tool (6) into the second tube (5), wherein the separation location (11) is arranged between a connection location (12) of the first tube (3) to the second tube (5) and an opening (13) of the end portion (8) of the second tube (5) and wherein, after the separation, the opening (13) of the end portion of the second tube (5) faces an opening (14) of an end portion (15) of the first tube (3).
The invention describes a device for producing a film tube with - an outlet nozzle of a blow head, from which a plastic melt can be led out in a transport direction and can be formed into a film tube, - a cooling device, which is arranged downstream of the outlet nozzle in the transport direction, - at least one detection device for observing the film tube in an observation area. The observation area is located between the outlet nozzle and the cooling device.
The invention relates to a stretching device for monoaxial stretching of a film web in the transport direction thereof, the stretching device comprising: a first roll (holding roll), via which the film web can be guided and which rotates at a first circumferential speed; a second roll (stretching roll), which is arranged downstream of the first roll and via which the film web can be guided and which rotates at a second circumferential speed; wherein the second circumferential speed is greater than the first circumferential speed; wherein at least one clamping roll is provided, by means of which the film web can be pressed against one of the rolls. At least one holding assembly is provided, relative to which the clamping roll is rotatable, wherein the clamping roll is supported on the holding assembly by a support point extending over part of, in particular over more than a quarter of, the axial length, or by a plurality of support points distributed over the axial length of the clamping roll and/or the circumference of the clamping roll.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
12.
METHOD FOR MONITORING A FILM BUBBLE, AND A FILM-BLOWING INSTALLATION
The invention describes a method for monitoring a film bubble (6) in an outlet region after it emerges from an outlet die and before it leaves a calibrating device of a film-blowing apparatus, the method comprising the following steps: - detecting the wavelength of the radiation emitted from at least two different locations of the outer surface of the blown film by means of at least one optical sensor at different points in time following one another - determining locations of the same wavelength - determining the variation over time of the locations of the same wavelength.
The invention relates to a winder for winding a material web, comprising a feed station for conveying the material web into the winder, a winding station for winding the material web conveyed by the feed station onto a film roll, a changing station for changing the material web from the wound film roll onto a new winding core on the fly, and a transfer station in which the wound film roll can be removed from the winder for further processing. The aim of the invention is to provide a winder which is as inexpensive as possible for winding a material web in a selectable rotational direction. This aim is achieved in that the winding station has a deflecting roll and an axially movable scraper for separating the material web at the instant of the changing process, wherein the transport of the material web between the deflecting roll and the new winding core is supported in at least one rotational direction by means for applying an electrostatic charge to the material web.
The invention relates to a winder for winding a material web (122, 123). The aim of the invention is to provide a winder with which a reliable transport of the film roll (116, 117) in the transfer station (137, 138) can be ensured. This is achieved in that the winder according to the invention comprises a feed station (133, 134) for conveying the material web into the winder, a winding station (135, 136) for winding the material web conveyed by the feed station onto a film roll, a changing station (139, 140) for changing the material web from the wound film roll onto a new winding core on the fly, and a transfer station (137, 138) in which the wound film roll can be removed from the winder for further processing. The transfer station has a lifting gear (120, 121) which is connected to at least one flat belt (205) in order to lift or lower the wound film roll.
The invention relates to a stretching device for stretching a plastic film in the transport direction thereof, comprising a first roller (SD) over which the plastic film can be guided and which can be driven by a first drive and can be rotated at a first rotational speed, and a second roller (FD) over which the plastic film can be guided and which can be driven by a second drive and can be rotated at a second rotational speed. The second rotational speed is greater than the first rotational speed. The second roller is arranged downstream of the first roller in the transport direction of the plastic film such that the plastic film can be stretched in the free region between the first and the second roller. The invention is characterised in that at least one first electrode can be subjected to a first electrical potential and is arranged in the angular region of the first roller on which the plastic film rests and/or upstream of this angular region and in that the first roller can be subjected to a second electrical potential.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
16.
APPLICATION ELECTRODE AND APPLICATION METHOD FOR A SURFACE OF A CONDUCTING OR NON-CONDUCTING MATERIAL
The invention describes an electrode (100) for applying an electric potential, in particular an electric potential bringing about an electric polarization, to a surface of a conducting or non-conducting material (102), more particularly a plastics material, the electrode comprising a first electrically conductive material, more particularly a metal wire (101), which extends at least partially parallel to the surface, comprising a second electrically conductive material (103) which extends at least partially parallel to the surface, and comprising at least one electrical connection (106) which connects the first electrically conductive material (101) to the second electrically conductive material (103), the first electrically conductive material (101) having a greater conductivity than the second electrically conductive material (103).
The invention describes to a roller (100) for guiding a film web (101) and for subjecting the film web to an at least partially radially inwardly directed force, wherein, to apply the force, openings (105) are provided in the surface, wherein the openings are able to be subjected at least partially to a negative pressure from a negative pressure source. In this case, at least one device for increasing the radially inwardly directed force and/or the roller are/is configured such that the film web is movable relative to the roller surface without damage being brought about on the film web.
B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
18.
APPLICATION STATION, AND METHOD FOR APPLYING A FIRST FLAT WORKPIECE TO A SECOND WORKPIECE
The invention describes an application station for applying a first flat workpiece to a second workpiece, in particular a valve panel to an open bottom of a tubular piece in order to form a valve bag, with a transport roller for introducing the first workpiece and with a suction roller for transferring the first workpiece and for laying the first workpiece onto the second workpiece, wherein the suction roller comprises, on its surface, a first suction row, by way of which the workpiece can be gripped at a spacing from its leading edge, with the result that a region between the leading edge of the workpiece and the first suction row remains unguided. At least one pressing element is provided for pressing the unguided region of the first workpiece onto itself and/or onto the suction roller.
The invention describes a contact roller assembly for guiding a material web for a winding device, said contact roller assembly comprising: at least one contact roller which is rotatably mounted in at least one support frame; and at least one functional element which is located inside a roller sleeve of the contact roller and which can be moved inside the contact roller and by means of which the material web can be directly or indirectly influenced, the functional element being mounted inside the contact roller. The drive, by means of which a force can be provided for moving the functional element, is located outside the contact roller.
B26D 1/10 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
B26D 1/42 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member
20.
METHOD FOR PRODUCING FILM FROM A TOTAL AMOUNT OF RAW MATERIALS USING A FILM EXTRUSION MACHINE, AND COMPUTER PROGRAM PRODUCT FOR CARRYING OUT THE METHOD
The invention relates to a method for producing a plastic film from a total amount of raw materials using a film extrusion machine. According to the invention, the method comprises the following steps: ▪ detecting film parameters relating to desired properties of the plastic film; ▪ detecting raw material parameters relating to properties of the raw materials; ▪ grouping the raw material parameters in at least two raw material parameter groups; ▪ forming correlations between raw material parameter groups; ▪ forming correlations between the film parameters and the raw material parameter groups on the basis of a film production model; ▪ detecting a selection of at least one raw material from at least one raw material parameter group; ▪ calculating at least one production parameter of the film extrusion machine on the basis of the film production model; ▪ outputting the production parameter of the film extrusion machine.
METHOD FOR PRODUCING FILM FROM A TOTAL QUANTITY OF RAW MATERIALS USING A FILM EXTRUSION MACHINE, AND COMPUTER PROGRAM PRODUCT FOR CARRYING OUT THE METHOD
The invention relates to a method for producing film from a total quantity of raw materials using a film extrusion machine, having the following steps: • detecting machine parameters relating to properties and/or settings of at least one film extrusion machine, • detecting film parameters relating to desired properties of the film, • detecting raw material parameters relating to the properties of the raw materials, • inputting the detected parameters into a film production model, • calculating a selection and/or a quantity of raw materials from the total quantity of raw materials on the basis of the detected parameters and the film production model, and • outputting information relating to the selection and/or quantity of raw materials.
METHOD FOR PRODUCING A PLASTIC FILM FROM A TOTAL QUANTITY OF RAW MATERIALS IN A FILM EXTRUSION MACHINE, AND COMPUTER PROGRAM PRODUCT FOR CARRYING OUT THE METHOD
The invention relates to a method for producing a plastic film from a total quantity of raw materials in a film extrusion machine. The method according to the invention has the following steps: - providing a selection of raw materials from the total quantity of raw materials, - setting machine and production parameters of the film extrusion machine, - supplying the selection of raw materials in a composition to the film extrusion machine, - detecting at least one actual value of a property of the plastic film, - forming a difference between the actual value and a target value of the property, and - changing the selection of raw materials and/or the composition of the raw materials if the difference exceeds a threshold.
The invention relates to a bag (100) made of paper having a first layer (101) and a second layer (102), which are connected to one another at their side edges and form a filling space; the bag comprises a block or cross bottom (105) on its closed end, and at its open end, via which the filling space can be filled, the transverse edges (107, 108) of the first and the second layers end at the same height; at least one piece of paper (110) which extends beyond the transverse edges of the first and the second layer is connected to the first layer; the piece of paper is positioned in particular on the side of the first layer facing away from the filling space.
The invention describes a device for closing up a raised end of a flat-lying tube piece, in particular a tube piece (150) made from plastic, for forming a bag, wherein the raised end comprises a bottom rectangle (152) having two side tabs (154, 155) and two triangular pockets (151), wherein the tube piece is transportable by a transport device (202) along a transport direction which is directed transversely with respect to the main axis of the tube piece, wherein the device comprises at least one guide device with which a part of at least one side tab can be folded over along a fold line (160), and wherein the guide device comprises at least one guide element (204) which is at least partially surrounded by the foldable part (156) and the non-foldable part (157) of the side tab. The tube piece and the non-foldable part of the side tab can be guided through a gap between the transport device and the guide element, wherein the guide device comprises a movable pressing device (210) with which at least parts of the side tab part which can be folded over can be pressed against the guide device.
B31B 70/36 - Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
B31B 150/20 - Flexible containers made from sheets or blanks, e.g. from flattened tubes the longitudinal axes of the containers being perpendicular to the direction in which the sheets or blanks are fed
B31B 160/20 - Shape of flexible containers with structural provision for thickness of contents
25.
LOAD CROSSMEMBER, PRODUCTION CELL, PRODUCTION ENVIRONMENT AND METHOD
Production cell (62), having a transfer region, which has a bearing point (44) as transfer position for inserting and/or for removing a shaft (66), and having a guide arrangement for orienting and/or guiding a load crossmember (2) relative to the bearing point (44), wherein the guide arrangement has an axial stop surface for the abutment of an axial sliding element of the load crossmember (2), and wherein the guide arrangement has a radial stop surface for the abutment of a radial sliding element (14) of the load crossmember (2).
The invention relates to a winder for winding a material web, comprising a feed station for conveying the material web into the winder, a winding station for producing a finished roll from the material web conveyed by the feed station, a transfer station in which the finished roll can be removed from the winder for further processing, and a control unit for controlling the feed station, the winding station, and the transfer station, wherein the control unit has an electric interface for a label printer. In order to simplify the process of carrying out maintenance work which is required for the label printer, the transfer station has a mechanical interface for the label printer.
B41J 3/44 - Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
B65B 61/02 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, or applying code or date marks on material prior to packaging
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
The invention relates to a bag (300) with a first wall and a second wall which comprise paper and which are connected together via lateral edges so that a filling space is provided. The second wall protrudes beyond the first wall when viewed in the longitudinal direction of the bag. The bag also comprises two ends, wherein a base is arranged on one end and an opening via which the filling space can be accessed is provided on the other end. The base comprises at least one turn-over region of the second wall, and the turn-over region is folded at least onto parts of the first wall about a folding line. The bag also has at least one handle opening (109, 109'). The invention is characterized by the handle opening (109, 109'), through which the second wall extends outside of the turn-over region and through the turn-over region.
The invention relates to a bag (200) having a first wall (111) and having a second wall (110) which comprise paper and which are connected to each other via lateral edges, such that a filling chamber is provided, wherein the second wall, viewed in the longitudinal direction of the bag, protrudes beyond the first wall, having two ends, wherein a base is arranged at one end which comprises at least one fold-over region of the second wall, wherein the fold-over region is folded over about a first fold line at least on parts of the first wall, wherein an opening is provided on the other end via which the filling chamber is accessible, one of the walls comprising a closure region which can be folded over about a second fold line on the outside of the other wall and can be fastened there by means of adhesion elements (120, 121) applied to the closure region. The closure region comprises a tear-open aid (122) between the second fold line and the adhesion element, by means of which tear-open aid the closure region can be severed at least in part in order to allow access to the filling chamber again.
B31B 70/86 - Forming integral handles or mounting separate handles
B65D 33/20 - End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps using pressure-sensitive adhesive
B65D 33/18 - End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
B31B 70/62 - Uniting opposed surfaces or edges; Taping by adhesives
B31B 70/81 - Forming or attaching accessories, e.g. opening devices, closures or tear strings
29.
ITEM OF PACKAGING AND METHOD FOR PRODUCING AN ITEM OF PACKAGING OF THIS TYPE
Item of packaging, comprising a main packaging body (4), the main packaging body (4) delimiting an inner chamber (6) for storing bulk goods, characterised by at least one flap (8, 10, 38, 40), the flap (8, 10, 38, 40) projectingly extending from an outer face (12) of the main packaging body (4) that faces away from the inner chamber (6), and the flap (8, 10, 38, 40) comprising a through-opening (14, 16, 42, 44) for inserting a hook.
The invention relates to a printing machine (101) with a system for automatic error management for printing a repeating printed image on a running material web (109), comprising a control unit (105) and a camera (102) for carrying out an inspection of the printed material web (109) in order to detect printing errors, said camera being connected to the control unit (104). In order to allow printing errors (202) to be found again more easily on a printed material web (109), a web-marking unit (121) for applying web markings to the running material web (109) and a function switch for activating the web marking unit (121) are provided, a web marking being applied to the material web (109) by the web-marking unit (121) as soon as a printing error has been detected by the control unit (104) and the web marking unit (121) has been activated by the operator.
The invention relates to a piece of protective clothing for protecting a person against environmental influences, in particular against virus-contaminated ambient air. Said piece of protective clothing comprises at least one surface piece, with which body parts of the person can be applied with or enveloped, the surface piece comprising a plastic film. This plastic film is produced by means of a film extrusion method and has a breathability.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
C09C 1/02 - Compounds of alkaline earth metals or magnesium
C08K 9/04 - Ingredients treated with organic substances
The invention describes a blow-moulding installation for producing tubular plastics film • with a die head, comprising an annular outlet for discharging a polymer melt, • with a take-off for taking off in a transporting direction the melt and the tubular plastics film forming therefrom, • with a cooling tower, arranged downstream in the transporting direction and arranged within the tubular outlet of the die head, wherein the cooling tower comprises at least one fluid-outlet gap, from which a fluid can be conducted in a radial direction onto the inner side of the melt and/or of the tubular plastics film. The fluid-outlet gap comprises at least one interruption.
The invention describes an inking unit of a rotary printing press, comprising: - an ink transfer roller, which has recesses in which printing ink can be transported; - an ink reservoir for providing printing ink, the ink transfer roller protruding at least partially into the ink reservoir in order to receive printing ink; - at least one flexible and/or elastic element, which is connected to the ink reservoir and is stationary in the circumferential direction of the ink transfer roller. A force can be applied to the ink transfer roller and/or to the ink reservoir and the flexible and/or elastic element can thus be deformed, there being a contact surface between the ink transfer roller and the flexible and/or elastic element.
The invention relates to a method for an automatic error management of a printing machine (101) and to a printing machine (101) with solid printing plates, a control unit (104), and a camera (102). The aim of the invention is to improve the automatic error management in existing inspection systems on the basis of a digital proof. According to the invention this is achieved by a method in which vector-based print image data (122-126) is converted into pixel-based print image data (118) in an RIP computing unit (121); the pixel-based print image data (118) is transmitted from the RIP computing unit (121) to the control unit (101) of the printing machine in the form of target printed images (203); actual printed images (202) are printed on a print carrier (109) using the solid printing plates; the actual printed images (202) are captured by the camera (102); and the actual printed images (202) are compared (204) with the target printed images (203), and the result is stored as the target/actual print image deviation (205).
The invention relates to a blown film system for producing a film tube made of plastics material, comprising: an annular nozzle, out of which a plastics melt having a closed cross section can be brought; a take-up device, by means of which the plastics melt can be drawn up from the direction of the annular nozzle so as to form the film tube; an air-provision device, which is downstream of the annular nozzle when viewed in the transport direction of the film tube and by means of which an amount of air can be provided; and a calibration device, which is downstream of the annular nozzle when viewed in the transport direction of the film tube and surrounds the film tube and by means of which the outer circumference of the film tube can be delimited. At least one detector is contained that has a plurality of detection elements, by means of which detector electromagnetic radiation emitted or reflected at various points of the film tube can be detected, such that at least one planar region and/or contoured region of the film tube can be detected with regard to characteristic properties, wherein the detector comprises at least 32 detection elements.
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/32 - Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
B29C 48/89 - Internal treatment, e.g. by applying an internal cooling fluid stream
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
The invention relates to a stretching device for stretching a plastic film in the transport direction thereof, comprising a first roll, which can be driven by a first drive and can be rotated at a first rotational speed, and a second roll, which can be driven by a second drive and can be rotated at a second rotational speed. The second rotational speed is greater than the first rotational speed, and the second roll is arranged downstream of the first roll in the transport path of the plastic film, wherein at least one of the rolls is a roll through which air can flow inwards from the outside. According to the invention, the at least one roll through which air can flow can be continuously cleaned.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
37.
STRETCHING DEVICE AND METHOD FOR STRETCHING A PLASTIC FILM IN THE TRANSPORT DIRECTION THEREOF
The invention relates to a stretching device for stretching a plastic film in the transport direction thereof, comprising a first roll, which can be driven by a first drive and can be rotated at a first rotational speed, and a second roll, which can be driven by a second drive and can be rotated at a second rotational speed. The second rotational speed is greater than the first rotational speed, and the second roll is arranged downstream of the first roll in the transport path of the plastic film. The device is characterized by means for changing the quantity of air between the plastic film and surface elements of the first roll and/or the second roll, said film lying on the surface elements.
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
38.
DEVICE FOR PRODUCING CORNER FOLDOVERS ON TUBULAR BAG BODIES
The invention relates to a device for producing corner foldovers on tubular bag bodies using a folding tool, which can be introduced into a bottom opening of a bag body to produce a corner foldover. To increase the throughput and the reliability of the device, a linear transport system is provided with at least one mover, the folding tool being fastened to the at least one mover.
The invention relates to a printing machine with hybrid printing technology for printing a continuous length of material (204). In order to create a printing machine with hybrid printing technology which is adaptable and flexible in use in the course of the current trend for digitisation, the printing machine according to the invention with hybrid printing technology for printing a continuous length of material (204) is a printing machine with a rotating central cylinder (201), on the surface of which the length of material (204) is guided from a placement point (303) to a detachment point (304) for printing. A plurality of inking units (202) for digital printing of the length of material (204) are arranged in the region of an upper half of the central cylinder (201) and a plurality of inking units (202) for flexographic printing of the length of material (204) are arranged in the region of a lower half of the central cylinder (201). An unwinding station (205) is provided for unwinding the length of material (204) to be printed from a roll and a winding station (208) is provided for winding the printed length of material (204) onto a roll, the unwinding station (205) and the winding station (208) being arranged on a first side of the central cylinder (201), with supply guide rollers (301) for supplying the length of material (204) unwound from the unwinding station (205) to the central cylinder (201) and with discharge guide rollers (308) for discharging the printed length of material (204) from the central cylinder (201) to the winding station (208). The supply guide rollers (301) and the discharge guide rollers (308) are arranged on a second side of the central cylinder (201), with a feed guide roller (302) for placing the length of material (204) onto the central cylinder (201) at the placement point (303) and a strip guide roller (305) for detaching the length of material (204) from the central cylinder (201), the feed guide roller (302) and the strip guide roller (305) being designed in such a way that the placement point (309) and the detachment point (304) are arranged on the lower quadrant (Q3) of the central cylinder.
B41F 5/18 - Rotary letterpress machines for printing on webs for multicolour printing using one impression cylinder co-operating with several forme cylinders
B41F 5/24 - Rotary letterpress machines for flexographic printing
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B41F 23/08 - Print-finishing devices, e.g. for glossing prints
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
The invention relates to a method for printing a carrier in a digital printing method, having the steps of: a) providing the carrier; and b) printing the carrier in the digital printing method using a composition which comprises: i) 50-98 wt.% of water; ii) 1-49 wt.% of an ionic liquid; and iii) 1-30 wt.% of a pigment, a dye, or a mixture thereof, in each case based on the total weight of the composition, wherein the carrier is a plastic film, and the digital printing method is an inkjet printing method.
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
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
The invention relates to a primer composition comprising: a) 50-97.5 wt.% of water; b) 1-48.5 wt.% of an ionic liquid; c) 1-30 wt.% of an inorganic oxide, a polymer compound, or a mixture of two or more thereof; and d) 0.5-10 wt.% of a polar organic compound; in each case based on the total weight of the primer composition. The invention also relates to the use of the primer composition for preparing a carrier for a digital printing method.
The invention relates to a method for a model-based determination of model parameters (MP) of a production model (PM) of a film extrusion system (10), having the following steps: − detecting at least two model parameters (MP) in the form of input parameters (EP) of the production model (PM) in order to detect a production situation of the film extrusion system (10) and/or in the form of output parameters (AP) of the production model (PM) in order to detect a film product situation of the film extrusion system (10), − forming a parameter relationship between the detected model parameters (MP) using the production model (PM), and − ascertaining at least one additional model parameter (MP) in the form of an undetected input parameter (EP) and/or an undetected output parameter (AP) of the production model (PM).
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
43.
MONITORING METHOD FOR MONITORING AT LEAST ONE PART OF A PRODUCTION PROCESS OF A FILM EXTRUSION SYSTEM
The invention relates to a monitoring method for monitoring at least one part of a production process of a film extrusion system (10) using a production model (PM), having the following steps: − detecting at least one model parameter (MP) in the form of an output parameter (AP) of the production model (PM) in order to detect a film product situation, − determining a differential value (DW) between the at least one detected output parameter (AP) and a correlating set-point value (OW), − forming a parameter relationship between the determined differential value (DW) and at least one model parameter (MP) in the form of an input parameter (EP) of the production model (PM), and − generating at least one control value (TW) as a specification for the at least one input parameter (EP) of the formed parameter relationship.
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
44.
METHOD FOR A MODEL-BASED DETERMINATION FOR PROCESSING AN ORDER REQUEST
The invention relates to a method for a model-based determination for processing an order request (AA) using a production model (PM) of a film extrusion system (10), having the following steps: - detecting at least one model parameter (MP) in the form of an output parameter (AP) of the production model (MP) in order to detect a requested film product property of the order request (AA), − forming a parameter relationship between the detected at least one output parameter (AP) and at least one model parameter (MP) in the form of an input parameter (EP) of the production model (PM) in order to determine a product situation of the film extrusion system (10), and − generating at least one input parameter (EP) of the production model (PM) on the basis of the formed parameter relationship as a specification for a production process on the film extrusion system(10).
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
The invention relates to a bag (300) having a first wall (110) and a second wall (111), which are connected to each other via side edges so as to provide a filling chamber, and two ends, a base (400) being located at one end and an opening being provided at the other end, via which opening the filling chamber can be accessed, the base comprising a partial area of the first wall and a partial area of the second wall, and both partial areas being folded over onto the first wall about a shared fold line. The partial area of the first wall comprises openings (203) through which parts of the partial area of the second wall directly contact the first wall and/or are connected thereto.
The invention relates to a method for automated error management in a printing machine (101), in which a repeating print image (201, 301, 308) is printed onto a continuous material web (107). In order to improve the automated error management in existing inspection systems, a method is provided in which: the print image (201, 301, 308) is captured by a line scan camera (102) and forwarded to a control unit (104); a printing error in the captured print image (201) is detected by an error-detection algorithm (302, 309) and forwarded from the control unit (104) to an error type database (311) together with characteristics information (303, 310); and the error type (304, 312) of the detected printing error is output by the error type database (311) in an execution phase, wherein the error type database (311) is trained by a plurality of operators in a training phase.
The present invention relates to a device for producing inline-oriented tubular films in a blowing process, comprising a blown-film system (1) consisting of an extruder (2), an extrusion die (4, 8), a cooling ring (8), a calibration cage (7), a lay-flat unit (9) and a reversing turn-around take-off means (15), comprising an orientation system (30) for monoaxial drawing of the laid-flat film in the machine direction, and comprising a first thin-points regulation system which controls segmented regulation zones in the cooling ring (8) in order to mark thin points such that, during drawing, a film is produced which has a thickness profile having the lowest possible deviations from the average film thickness over the entire film width. In order to increase the accuracy and speed of the first thin-points regulation system, a second thin-points regulation system is provided which controls two opposite heat sources (101) between the calibration cage (7) and the lay-flat unit (9), and which can be switched to the first thin-points regulation system.
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 48/88 - Thermal treatment of the stream of extruded material, e.g. cooling
B29C 48/885 - External treatment, e.g. by using air rings for cooling tubular films
B29C 48/90 - Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
The invention relates to a module for achieving and/or maintaining a defined web tension of a film web, in particular a reduced web tension of the film web, at any location downstream of a flattening device for determining quality characteristics, • having an actuator for applying a web tension, • having a sensor for determining the current web tension, • having a controller for controlling the actuator in order to keep the web tension at a target value, wherein there is a measurement device in or on the module for measuring the quality characteristic.
B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
G01B 11/06 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness for measuring thickness
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
G01B 11/30 - Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
49.
METHOD FOR A MODEL-BASED OPTIMIZATION OF A FILM PRODUCT DURING A PRODUCTION PROCESS ON A FILM EXTRUSION SYSTEM
The invention relates to a method for a model-based optimization of a film product during a production process on a film extrusion system (10) using a production model (PM) of the film extrusion system (10), having the following steps: − detecting at least two model parameters (MP) in the form of input parameters (EP) of the production model (PM) in order to predict a production situation of the film extrusion system (10) and/or at least two model parameters (MP) in the form of output parameters (AP) of the production model (PM) in order to predict a film product situation of the film extrusion system (10), − forming a parameter relationship between the detected model parameters (MP) using the production model (PM), − prioritizing at least one model parameter (MP) of the production model (PM) for the optimization process, and − changing at least one non-prioritized model parameter (MP) of the production model (PM) on the basis of the formed parameter relationship in order to optimize the prioritized model parameter (MP).
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
50.
BLOWN FILM EXTRUDER AND METHOD FOR PRODUCING A FILM WEB
The invention relates to a blown film extruder (1) for producing a film web (24, 34), comprising: at least one extruder for providing a plastic material in the form of a melt; a blown film die (3) having a circumferential die gap, by means of which the plastic material in the form of a melt can be converted to a film bubble (2) emerging from the die gap; at least one liquid cooling device (4) for cooling the film bubble (2), a liquid being applicable to the outer circumference and/or to the inner circumference of the film bubble (2) by means of the liquid cooling device (4); a flattening device (9) by means of which the film bubble (2) can be formed to a two-layer film web (24, 34), the two layers at least partly and in particular completely touching one another across their surfaces; and at least one stretching device (30) for stretching the film web (24, 34) in the longitudinal direction.
B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
B29C 48/88 - Thermal treatment of the stream of extruded material, e.g. cooling
B29C 55/06 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
The invention describes an apparatus for separating a two-ply film web, which can first be wound up at a winding station, with the two plies of the film web being first joined to one another via two side edges, with features of the apparatus comprising at least one and preferably two lengthwise slitting units, with which a lengthwise slit can be made into a first of the two plies of the two-ply film web, which are at a distance from side edges, so that one ply is narrower than the two-ply film web; and at least one pressing element, which can be moved in the orthogonal direction of the plane generated by the two-ply film web, with the two plies of the two-ply film web being able to be distanced from one another, and which can be moved in the plane of the two-ply film web, but perpendicularly to its lengthwise direction, so that the pressing element can be guided between the two plies of the two-ply film web.
The invention relates to a method for automated error management in a printing machine (101), in which a repeating print image (201) is printed onto a continuous material web (107). According to the invention, in order to improve the automated error management in existing inspection systems, a method is provided in which: the print image (201) is captured by a line scan camera (102) and forwarded to a control unit (104); a printing error in the captured print image (201) is detected by an error-detection algorithm and stored by the control unit (104) together with position information and status information, wherein the position information comprises at least the page position of the error on the material web (107); multiple detected printing errors are recorded by the control unit (104) as a cluster image according to the position information and the status information; and an error cluster (303) is detected by the control unit (107) and error cluster information relating to the error cluster (303) is output.
The invention relates to a method for automated error management in a printing machine (101), in which a repeating print image (201) is printed onto a continuous material web (107). In order to improve the automated error management in existing inspection systems, a method is provided in which an inspection of the continuous material web (107) is controlled by a control unit (104) and a function switch, wherein the function switch can be used to switch at least between a first functioning mode and a second functioning mode, wherein in the first functioning mode, the print image (201) is captured by a first inspection unit (102) and forwarded to the control unit (104), and wherein in the second functioning mode, the print image (201) is captured by a second inspection unit (102) and forwarded to the control unit (104).
Feeding device and method for feeding fluff and granules into an extruder, comprising a supply apparatus with an outlet-side pipe section for the granules, with which the granules can be supplied, forming a granule column, the pipe section being connected to an inlet opening of the extruder; and comprising a hopper with a hopper outlet for supplying fluff, wherein inside the hopper a screw conveyor for conveying fluff is provided, which projects through the hopper outlet and into the pipe section, and the fluff can be conveyed within the granule column; and wherein the screw conveyor is designed also to convey some of the granules and/or to compress the fluff.
The invention relates to a blown film installation for producing tubular films or film webs, comprising a nozzle head for extruding a tubular film, a lay-flat implement and/or a squeezing device for laying flat and/or squeezing the tubular film in order to produce a double-layer film web from the tubular film, and a stretching device, by which the double-layer film web can be stretched in the longitudinal direction. At least a first and at least a second thickness measuring device for measuring the thickness of layers of the film web are provided downstream of the stretching device, wherein the thickness of a single layer of the film web can be measured by means of at least one of the thickness measuring devices.
The invention relates to a method for starting production of a film in a film machine, particularly a film blowing machine, comprising a control device and including the following steps: acquiring a start request; setting start parameters; providing film material; starting film production; and setting film production parameters.
The invention describes a bag transport and bag stacking device (1) for transporting bags (11) or bag stacks and for providing bag stacks for follow-on processing, having a layering separation station (10), for dividing layered bags into subgroups of layered bags (13) each with a predefined number of bags, a stacking station (30) for forming a bag stack from the bags of a subgroup of layered bags, a monitoring station (40) for monitoring bag stacks and/or individual bags in bag stacks, a turning station (30) for optionally turning bag stacks, and a provisioning station (60) for providing bag stacks for follow-on processing. At least one dividing device (80) is provided, with which a sequence of layered bags, subgroups of layered bags and/or bag stack sequences can be divided into at least two sequences of layered bags, subgroups of layered bags and/or series of bag stacks.
The invention relates to a winding device for winding a material web (101, 201) running in a running direction, the winding device comprising: at least one blade (103, 203) for cutting the material web in the web direction to form a plurality of partial material webs (106, 107, 108, 109; 206, 207, 208, 209; 305, 306, 307, 308); and a fold-over device (301, 302, 303) for folding the edges of the partial material webs over. In order to provide a winding device that allows a material web with folded-over edges to be wound with as little creasing as possible, a fold-over element (309, 310, 311, 312) is provided for each edge of the partial material webs. The at least one blade (103, 203) can be moved perpendicularly to the running direction by means of a first oscillating device. The fold-over elements for the left edges of the partial material webs, as viewed in the running direction, can be moved perpendicularly to the running direction by means of a second oscillating device. The fold-over elements for the right edges of the partial material webs, as viewed in the running direction, can be moved perpendicularly to the running direction by means of a third oscillating device. The first oscillating device, the second oscillating device and the third oscillating device can be controlled by means of a control unit in such a way that the folded-over edges of the partial material webs can be wound at an offset.
B26D 1/09 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
59.
CROSS BOTTOM BAG MADE OF COATED PAPER AND METHOD FOR PRODUCING A CROSS BOTTOM BAG
The invention relates to a cross bottom bag comprising a first and a second outer ply which are connected by means of a first and a second longitudinal edge. The two outer plies delimit an interior. The first and the second outer ply each comprise, at least in some regions, at least two layers, with a first layer comprising paper and a second layer, which is provided at least in some regions, comprising a plastic layer. The first and the second outer ply are connected by means of at least one bottom; this bottom comprises two triangular pouches and two tabs placed one on top of the other in some regions. A bottom cover sheet is provided and is connected to both triangular pouches and both tabs. The bottom cover sheet comprises a first layer made of paper and preferably a plastic layer as an at least second layer provided. The bottom cover sheet, at least in some regions, is non-releasably connected to regions of the plastic layers of the triangular pouches and of the tabs without the use of adhesive.
B65D 30/08 - Sacks, bags or like containers characterised by the material used with laminated or multiple walls in spaced face-to-face relationship, e.g. double walls
B65D 30/18 - Sacks, bags or like containers characterised by shape or construction with block bottoms
60.
TRANSPORTING A FILM TUBE, BLOWN FILM LINE AND METHOD FOR PRODUCING A FILM
The invention relates to a system (10) for transporting a film tube (2) in a blown film line (1) along a transport direction, having a guiding unit (51) for guiding the film tube (2), a bottleneck (13.1) at which a width (2.3) of the film tube (2) can be reduced, a severing apparatus (20) having at least one severing element (21) for severing the film tube (2), wherein the guiding unit (51) is arranged downstream of the bottleneck (13.1) in the transport direction of the film tube (2). The invention furthermore relates to a blown film line (1) and to a method (100) for producing a film.
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
B26D 1/03 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
61.
SYSTEM FOR THE IMPROVED INTRODUCTION OF A SEPARATING DEVICE, AND BLOWN FILM LINE, AND METHOD FOR THE PRODUCTION AND PROVISION OF AT LEAST TWO FILM WEBS MADE FROM PLASTIC IN A BLOWN FILM LINE
The invention relates to a system (10) for the improved introduction of a separating device (40) into a laid-flat film tube (2) of a blown film line (1), with a cutting device (20) for the severing of only a first tube side (2.1) of the film tube (2), in particular of the film tube (2) which has not yet been laid flat. Furthermore, the invention relates to a blown film line (1), and to a method (100) for the production and provision of at least two film webs (6).
B29C 48/25 - Component parts, details or accessories; Auxiliary operations
B29C 48/28 - Storing of extruded material, e.g. by winding up or stacking
B26D 1/03 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
B29C 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
62.
DEVICE AND METHOD FOR CHANGING SLEEVES ON MANDRELS OR ADAPTER SLEEVES
The invention relates to a device (100) for changing sleeves (204) on cylinder mandrels (203) or adapter sleeves (205), which can preferably be introduced into a printing machine (200) and taken out again. The device comprises a safety device (101) which defines a safety region, as well as a retaining device (120) for temporarily retaining a cylinder mandrel or an adapter sleeve. The retaining device (120) is arranged at least partially within the safety region, and is arranged or can be positioned in such a way that the sleeve (204) can be grasped outside of the safety region.
A system for pin curing a printing medium comprises a first pin curing unit that is provided downstream of a first printing unit and is designed to at least partially dry a first printing liquid that is dispensed by the first printing unit onto a surface of a printing medium, using high-frequency electromagnetic radiation.
F26B 13/10 - Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
64.
METHOD FOR INCREASING THE QUALITY OF AN INKJET PRINTED IMAGE
The invention relates to a method for increasing the quality of a printed image of a digital printing machine, which printed image is printed onto a material web in the inkjet printing process, wherein the digital printing machine comprises: a printing head having inkjet nozzles; an image-capturing unit for capturing at least one part of the printed image; and a control unit for controlling the printing head. In order to keep the quality of the printed image constant over the entire printing length during the print job, the solution according to the invention is based on a method in which: a test chart is printed at the beginning of and/or during a print job, the first image data of which test chart is captured by the image-capturing unit and transferred to the control unit, wherein an error correction of defective inkjet nozzles and/or an alignment of the misaligned printing head is carried out according to the first image data; after the error correction and/or alignment has ended, a target printed image is printed, the target image data of which is captured by the image-capturing unit, transferred to the control unit and stored there; and after the target printed image has been printed, additional actual printed images are printed, the actual image data of which is captured by the image-capturing unit, compared with the target image data in the control unit and stored as target-actual comparison image data, wherein an error correction of defective inkjet nozzles is carried out according to the target-actual comparison image data.
The invention relates to a method for increasing the quality of a printed image of a digital printing machine, which printed image is printed onto a material web in the inkjet printing process, wherein the digital printing machine comprises: a printing head having inkjet nozzles; an image-capturing unit for capturing at least one part of the printed image; and a control unit for controlling the printing head. In order to keep the quality of the printed image constant over the entire printing length during the print job, the solution according to the invention is based on a method in which: at least with one portion of the printed images, a test mark is printed along with the printed image; target image data of the test mark is stored in the control unit; and actual image data of the test mark is captured by the image-capturing unit, compared with the target image data in the control unit and stored as target-actual comparison image data, wherein a misalignment of the printing head is detected according to the target-actual comparison image data.
A method for treating the surface of a printing medium comprises physically and/or chemically treating a surface of the printing medium, applying at least one sample of a test liquid to the physically and/or chemically treated surface of the printing medium, detecting a behavior of the test liquid on the physically and/or chemically treated surface, and adapting the physical and/or chemical treatment of the surface of the printing medium according to the detected behavior.
The invention relates to a method for the surface treatment of a print medium, comprising the step of guiding a volume flow onto a surface of the print medium, the volume flow comprising radicals.
A system for intermediate drying of a printing medium, comprising: a first intermediate drying unit arranged downstream of a first printing unit and designed to at least partially dry a first printing liquid discharged from the first printing unit on a surface of a printing medium; and a second intermediate drying unit arranged downstream of a second printing unit, different from the first printing unit, and designed to at least partially dry a second printing liquid discharged from the second printing unit on the surface of the printing medium.
B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
F26B 13/10 - Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
69.
GUIDE ROLLER FOR GUIDING A MATERIAL WEB THROUGH COMPONENTS OF A PRINTING MACHINE, PRINTING MACHINE, AND METHOD FOR MANUFACTURING SUCH A GUIDE ROLLER
The invention relates to a guide roller (3) for guiding a material web (4) through components of a printing machine, which guide roller is rotatable in a direction of rotation about its main axis (13) and which comprises at least one groove (15) and at least one web (16). At least some regions of the web comprise local recesses (18) which are adjacent to plateau areas, the plateau areas having a greater radial distance from the main axis than the local recesses.
The invention relates to a method for increasing the quality of a printed image of a digital printing machine, which printed image is printed onto a material web in the inkjet printing process, the digital printing machine comprising: a printing head having inkjet nozzles; an image-capturing unit for capturing at least part of the printed image; and a control unit for controlling the printing head. In order to keep the quality of the printed image constant over the entire printing length during the print job, the solution according to the invention is based on a method in which: a test chart is printed at the beginning of and/or during a print job, the first image data of which test chart are captured by the image-capturing unit and are transferred to the control unit, an error correction of defective inkjet nozzles and/or an alignment of the misadjusted printing head being carried out in dependence on the first image data; after the error correction and/or alignment has ended, a target printed image is printed, the target image data of which are captured by the image-capturing unit, are transferred to the control unit and are stored there; after the target printed image has been printed, additional actual printed images are printed, the actual image data of which are captured by the image-capturing unit, are compared in the control unit with the target image data and are stored as target-actual comparison image data, a color space correction being carried out in dependence on the target-actual comparison image data.
The invention relates to a method for winding up a film web, which is created in particular on a film production system, on at least one reel, wherein quality features of the reel (100) are determined. In order to determine quality features of the reel, at least the following steps are carried out: taking measurements on the reel (100) and providing measurement values for the measurements; and filtering out at least one item of characteristic data from the measurement values.
The invention relates to a method for successively winding a film web onto a plurality of spools, wherein the film web is wound to form a first spool, and a tube and/or winding shaft for forming a subsequent second spool and the film web are moved closer to one another and/or are brought into contact with one another upstream of the first spool. The film web is cut, and thus an end of the film web is produced, which end is wound onto the first spool, and a new start of the film web is produced, which is wound onto the second tube. In order to cut the film web, the film web is cut partially in the transverse direction, at least one cut edge and at least one uncut region remaining in the transverse direction, the uncut region being subsequently torn off or cut off.
B65H 19/26 - Cutting-off the web running to the wound web roll
B65H 35/00 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
B65H 35/10 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
73.
METHOD AND DEVICE FOR CONTROLLING A THICKNESS PROFILE OF A FILM WEB
The invention relates to a method for controlling the thickness profile (DP) of a film web (FB) along a transverse direction (QR) by means of a plurality of setting means (120) for setting a gap opening (112) of an outlet nozzle (110) of the flat film machine (100), said method comprising the following steps: − detecting a thickness profile (DP) along the transverse direction (QR) of the film web (FB) transverse to a production direction (PR) of the flat film machine (100), − comparing at least one partial section of the detected thickness profile (DP) with a predefined profile (VP), − determining at least one local profile deviation (PA) in a deviation section (AA) as a result of the comparison, and − generating at least one control intervention for adjusting at least one setting means (120) in an intervention section (EA) that differs from the deviation section (AA).
The invention relates to a method for monitoring an edge section (RA) of a film web (FB) in a flat film machine (100), having the following steps: - sensing a thickness profile (DP) in at least one edge section (RA) of the film web (FB) in a transverse direction (QR) transverse to the production direction (PR) of the film web (FB), - comparing at least a portion of the thickness profile (DP) of the edge section (RA) sensed with a reference profile (VP), - determining a profile deviation (PA) as a result of the comparison, - performing a control intervention on the flat film machine (100) on the basis of the profile deviation (PA) determined.
The invention relates to a method for controlling the nozzle gap (112) of the outlet nozzle (110) for a film sheet (FB) of a flat film machine (100), having the following steps: - detecting an actual profile (IP) of the nozzle gap (112), - ascertaining a thickness profile (DP) of the film sheet (FB), - comparing the ascertained thickness profile (DP) of the film sheet (FB) with a specification profile (VP), - determining a profile deviation (PA) as the result of the comparison, and - carrying out a control engagement in order to change the nozzle gap (112) on the basis of the profile deviation (PA) and the actual profile (IP).
The invention relates to a method and a device for calibrating adjustment means (120) for adjusting a die gap (112) of an outlet die (110) for a film web (FB) on a flat film machine (100), the method having the following steps: • - specifying a calibration position (KP) for the adjustment means (120), • - performing an inspection in order to change the adjustment position (SP) of the adjustment means (120), • - detecting when the calibration position (KP) of the adjustment means (120) has been reached.
The invention relates to a switching device (10) for switching a flat film machine (100) from an input product (EP) to a subsequent product (FP), having a sensor module (20) for detecting at least one production parameter (PP) of the flat film machine (100) and an adjustment module (30) for changing said at least one detected production parameter (PP) in a controlled manner, and further having a control module (40) for controlling the adjustment module (30) for an optimised switching time (TU) for the at least one detected production parameter (PP) from the input product (EP) to the subsequent product (FP).
The invention relates to a digital printing head of a digital printing machine for printing a printed image on a printing material. In order to improve the quality of the printed image printed by a digital printing head, the digital printing head according to the invention comprises an ink transfer unit for transferring printing ink to the printing material in the form of actual halftone dots, a digital image store storing the printed image in the form of digital specified halftone dots and digital specified colour information, a control unit for calculating and transmitting control information to the ink transfer unit on the basis of the specified halftone dots from the digital image store, a colour measuring unit for measuring actual colour information from the printed image, a comparison unit for comparing the actual colour information with the corresponding specified colour information to calculate delta colour information, and a feedback control unit for correcting the control information on the basis of the delta colour information such that the difference between the actual colour information and the specified colour information is reduced.
The invention relates to a method for changing the production of a flat film machine (100) from an input product (EP) to a subsequent product (FP), having the following steps: - detecting a change request for a change from the input product (EP) to the subsequent product (FP), - determining a current input adjustment value (ES) of at least one adjustment variable (SG) of the flat film machine (100) for the input product (EP), - determining a subsequent adjustment value (FS) of the same at least one adjustment variable (SG) for the subsequent product (FP), and - generating an adjustment signal (SS) for varying in a defined manner the at least one adjustment variable (SG) of the flat film machine (100) from the input adjustment value (ES) to the subsequent adjustment value (FS).
The invention relates to an adjusting device (10) for controlling an exit thickness (AD) of a nozzle exit gap (110) of a flat film machine (100), having a plurality of adjusting pins (20) for carrying out an adjusting movement for changing the exit thickness (AD), the adjusting pins (20) having an adjusting range (SB) between a closing end position (SE) and an opening end position (OE), the adjusting range (SB), proceeding from the opening end position (OE), furthermore having a basic travel path (BH) for a basic adjustment of the exit thickness (AD) and, proceeding from the closing end position (SE), having a process travel path (PH) for process controlling the exit thickness (AD).
The invention relates to a monitoring method for monitoring a film bubble (FB) in an exit region (112) downstream of an exit nozzle (110) of a blown-film device (100), comprising the following steps: optically detecting at least one contour parameter (KP) of a film contour (FK) of the film bubble (FB) in the exit region (112); comparing the at least one detected contour parameter (KP) with a specific specified value (VW); determining a contour deviation (KA) between the at least one detected contour parameter (KP) and the specific specified value (VW); outputting the contour deviation (KA) as a monitoring result (UE).
The invention relates to a system (2) for giving instructions to an operator for performing work steps that can be executed at a tubular packaging plant (1), comprising a receiving unit (9) for receiving a job to be performed by an operator, a processing unit (3) for determining an instruction for performing work steps that can be executed at a tubular packaging plant (1) on the basis of the job to be performed by the operator, and an outputting unit (11) for outputting to an operator an instruction for performing work steps that can be executed at a tubular packaging plant (1).
The invention relates to a system (2) for processing tubular pieces (10) and/or sack components, comprising at least one transport device (40) for transporting tubular pieces (10) and/or sack components in a transport direction (x), at least one processing station (4, 6, 8, 12, 14, 16) for processing tubular pieces (10) and/or sack components, wherein at least one processing station (4, 6, 8, 12, 14, 16) is designed as a printing apparatus (16) for applying supplementary printing (17) to tubular pieces (10) and/or sack components provided with first-printing images (13), and the printing apparatus (16) is designed and provided in the system (2) such that the supplementary printing (17) on the tubular pieces (10) and/or sack components provided with first-printing images (13) can be applied in accordance with the first printing (13), in order to minimise the number of printed image changeovers during the application of printed images to tubular pieces (10) and/or sack components.
B31B 150/20 - Flexible containers made from sheets or blanks, e.g. from flattened tubes the longitudinal axes of the containers being perpendicular to the direction in which the sheets or blanks are fed
B31B 160/20 - Shape of flexible containers with structural provision for thickness of contents
The invention relates to a system (2) for processing tubular pieces (10), comprising at least one transport device (40) for transporting tubular pieces (10) in a transport direction (x), at least two processing stations (4, 6, 6', 8, 12, 14) for processing tubular pieces (10), wherein at least two processing stations (4, 6, 6', 8, 12, 14) are formed as valve patch devices (6, 6') for applying valve patches (5. 5 ') to the transported tubular pieces (10), and wherein the valve patch devices (6, 6') are arranged on mutually opposite sides of the transport device (40).
B31B 70/85 - Applying patches or flexible valve inserts, e.g. applying film-like valves
B31B 150/20 - Flexible containers made from sheets or blanks, e.g. from flattened tubes the longitudinal axes of the containers being perpendicular to the direction in which the sheets or blanks are fed
B31B 160/20 - Shape of flexible containers with structural provision for thickness of contents
B31B 70/00 - Making flexible containers, e.g. envelopes or bags
The invention relates to a device (2) for supplying hose assemblies (10') to a transport device (4), comprising a delivery unit (6) for delivering hose assemblies (10') and a positioning unit (12) for positioning the delivery unit (6) relative to the transport device (4). The delivery unit (6) can be positioned relative to the transport device (4) by means of the positioning unit (12) in such a way that the radial distance (R) between the hose assemblies (10') to be delivered and the transport device (4) can be minimised at a transfer point (8) during the supply of the hose assemblies (10') in order to ensure a supply of the hose assemblies (10'), as error-free as possible delivery, to the transport device (4).
B65H 1/30 - Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
B65H 5/00 - Feeding articles separated from piles; Feeding articles to machines
B31B 70/00 - Making flexible containers, e.g. envelopes or bags
86.
TOOL POSITIONING WHEN PROCESSING LENGTHS OF TUBING
The invention relates to a system (1) for processing lengths of tubing (10), comprising a transport device (40) for transporting lengths of tubing (10), at least one processing station (2), having at least one processing means (4) for processing the lengths of tubing (10), and at least one positioning element (6) for positioning the processing means (4) relative to the lengths of tubing (10) to be processed. The processing means (4) is electrically controllable and is positionable relative to the lengths of tubing (10) by the at least one positioning element (6) in order to compensate for a malpositioning of lengths of tubing (10) before and/or during the processing of the malpositioned lengths of tubing (10).
The invention relates to a bottom-forming device (300) for producing pieces of tubing (101) provided with at least with one bottom, wherein the piece of tubing can be transported in a transverse direction by at least one transport unit, and comprising at least one aligning device (306) for carrying out alignments of the piece of tubing transverse to the transport direction /, in the transport direction /, about an axis of rotation which is perpendicular to the tubing plane. A first aligning device (310) is provided with which at least one of the alignments can be carried out, wherein, when viewed in the transport direction, the first alignment unit is arranged upstream or downstream of at least one further alignment device for carrying out one or two of the other alignments.
The invention relates to a bottom-forming device (300) for producing pieces of tubing (102) provided with at least with one bottom, comprising an aligning device (201) for carrying out alignments of the piece of tubing transverse to the transport direction, in the transport direction and/or about an axis of rotation which is perpendicular to the tubing plane. The aligning device comprises a transport device (202) with which the piece of tubing can be transported in a transport direction (T) with a transport speed, as well as conveying elements (206) with which the piece of tubing can be acted upon such that the piece of tubing can be moved relative to the transport device, wherein the conveying elements can be operated with a differential speed relative in relation to the transport speed. The differential speed and/or the relative position of the conveying elements in relation to the transport device are changeable, in particular controllable.
The invention relates to a device (3) for guiding hose pieces, comprising a guide section (5) along which the hose pieces can be guided during a transport and a fastening section (7) arranged opposite the guide section, wherein the device is formed in particular to be non-rotatable and can be arranged between two holding devices (6), particularly suction devices, such that vibration stimulations caused by transport of the hose pieces can be minimized.
The invention relates to a device (8) for supplying negative pressure to suction devices (6) which are rotatably mounted about the central axis (16) of a frame (25), comprising at least one connection means (50, 50', 50) for connecting a negative pressure source and comprising at least one recess (46, 47, 48) for supplying the suction devices (6) with negative pressure. The device (8) can be mounted in a movable manner in the circumferential direction relative to the central axis (16) of the frame (25) in order to adapt the supply of negative pressure to a transport speed.
The invention relates to a device (2) for conveying flexible tubular items (10), comprising a first and at least a second transfer element (4, 4') for transferring the flexible tubular items (10), wherein: transfer of the flexible tubular items (10) comprises at least receiving a flexible tubular item (10) at a receiving position (6) and subsequently delivering it at a delivering position (6'); the transfer elements (4, 4') are movable along a predefined path (12) independently of one another inside the device (2); and the transfer elements (4, 4') are arranged inside the device (2) and/or arranged movably such that the acceleration exerted on the flexible tubular items (44) can be minimised when the flexible tubular items (10) are received and/or when the flexible tubular items (10) are subsequently delivered.
B65H 5/08 - Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
B65H 7/02 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
B31B 70/00 - Making flexible containers, e.g. envelopes or bags
92.
METHOD FOR SETTING UP A CIRCUMFERENTIAL REGISTER FOR A PRINT JOB IN A MULTI-COLOUR PRINTING PRESS
The invention describes a method for setting up a circumferential register for a print job in a multi-colour printing press (100) having a first and at least one second plate cylinder (111, 121, 131), wherein the method comprises the steps: • a) inserting the plate cylinders into printing units (110, 120, 130); b) positioning the plate cylinders in the circumferential direction on the basis of a positioning mark (113, 123, 133) located on the plate cylinder; c) printing a print mark (150) located on the first plate cylinder (111) seen in the transport direction of a web (102); d) scanning the print mark in at least one second printing unit (120, 130), in which the at least one second plate cylinder (121, 131) is inserted, by means of a print mark sensor (125, 135); e) setting the at least one second plate cylinder (121, 131) in the circumferential direction on the basis of geometric data of the printing unit and the time at which the print mark sensor scans the print mark (150), so that a register mark of the at least one second plate cylinder is in a capture range of the print mark sensor.
The invention relates to a transport device (2) for transporting tube pieces (6), comprising at least one upper and one lower transport means (14, 14') for guiding the tube pieces (6), upper and lower pressure-exerting units (16, 16') for exerting a contact pressure on the transport means (14, 14'), at least one upper and one lower drive unit (12, 12') for driving the transport means (14, 14') in a transport direction (z) at a substantially constant speed, wherein the transport means (14, 14') are arranged at least in part between the upper and lower pressure-exerting units (16, 16'), and wherein the drive units (12, 12') are electrically controllable and are arranged inside the device (2) in such a way that speed differences between the two transport means (14, 14') can be automatically compensated.
The invention describes a system for suctioning and size-reducing at least one strip (109), which is produced by at least one longitudinal cut of a film web, the system comprising at least one conveying line (110, 208), by which the strip (109) can be removed from the film web (106), comprising a size-reducer (209) for size-reducing the strip (109), and comprising a device for providing a volume flow for conveying the strip (109) from the film web (106) to the size reducer (209). The device for providing a volume flow comprises a first suction device which - as viewed in the transport direction of the strip (109) - is connected to the conveying line (110, 208) before the size reducer (209).
B29C 48/275 - Recovery or reuse of energy or materials
B02C 18/14 - Disintegrating by knives or other cutting or tearing members which chop material into fragments; Mincing machines or similar apparatus using worms or the like with rotating knives within horizontal containers
The invention describes a sleeve for sliding onto and removing from a winding shaft, which comprises a one-piece workpiece defining a cylinder, which workpiece comprises two edge regions each having an edge, the edge regions overlapping one another, the sleeve having a first diameter in a relaxed state, the sleeve in a clamped state having a second diameter which is different from the first diameter, the sleeve in the clamped state experiencing an elastic deformation as compared to the relaxed state.
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to respective thermoelements, is arranged on the first nozzle lip, the thermoelements being controllable by the controller in such a way that the slot can be adjusted by the action of a mechanical force applied to the first nozzle lip by the corresponding adjusting element, as a result of the expansion or contraction of the thermoelements. The adjusting elements are automatically readjusted on the basis of measurement signals from at least one sensor, the sensor being designed and/or arranged on the nozzle assembly so as to allow conclusions to be drawn regarding the thickness profile of the melt. The right-hand and left-hand marginal areas of the melt are monitored by the sensor and controlled or regulated in such a way that each of the marginal areas is adjusted by readjusting the adjusting elements according to the material, in particular its viscosity and/or viscoelasticity, and/or to quality criteria and/or to a conveyance speed. The invention also relates to a control and/or regulation system.
The invention relates to a method for automatically regulating the size of a slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to respective thermoelements, is arranged on the first nozzle lip, the thermoelements being controllable by the controller in such a way that the slot can be adjusted by the action of a mechanical force applied to the first nozzle lip by the corresponding adjusting element, as a result of the expansion or contraction of the thermoelements. At least one clamping blade is arranged on both a right-hand and left-hand marginal area of the nozzle assembly for variably setting the width of the nozzle discharge slot. The metrhod comprises the following steps, which are automatically carried out for readjusting the width of the nozzle discharge slot and for clamping the adjusting elements: - releasing the clamping blade in the nozzle discharge slot; - shifting the clamping blade in the nozzle discharge slot; clamping the clamping blade in the nozzle discharge slot in order to fix individual adjusting elements. The invention also relates to a control and/or regulation system.
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to respective thermoelements, is arranged on the first nozzle lip, the thermoelements being controllable by the controller in such a way that the slot can be adjusted by the action of a mechanical force applied to the first nozzle lip by the corresponding adjusting element, as a result of the expansion or contraction of the thermoelements. When the nozzle assembly is first put into operation for conveying the melt, the adjusting elements are set once only without play as a starting setting before a subsequent control. The invention further relates to a control and/or regulation system.
The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to respective thermoelements, is arranged on the first nozzle lip, the thermoelements being controllable by the controller in such a way that the slot can be adjusted by the action of a mechanical force applied to the first nozzle lip by the corresponding adjusting element, as a result of the expansion or contraction of the thermoelements. At least two adjusting elements are simultaneously adjusted. The invention further relates to a control and/or regulation system.
The invention describes a winding device (101) having a plurality of winding shafts (105, 106, 107), said winding device comprising: - at least one support element (102), which can be moved relative to a machine frame and on which the winding shafts (105, 106, 107) are arranged; at least one pressing roller (120), which is rotatably mounted in at least one bearing arm (121, 201, 230); and at least one support arm (127, 203), which supports the bearing arm (121, 201, 230), wherein at least part of the bearing arm can be moved relative to the support arm. The support arm is movably mounted in the machine frame. At least one positive guidance element (122, 211) is provided, by means of which the movement of the bearing arm relative to the support arm can be controlled in dependence on the position of the support arm relative to the machine frame.
patents
