This disclosure provides systems and methods for continuous wallboard manufacturing, and in particular methods that include measuring a wallboard width and edge profiles in a post-kiln stack of at least two wallboards or more with a laser scanner, preferably a two-dimensional (2D) laser scanner positioned at a distance from a post-kiln conveyor and performing a laser scan of the stack passing by on the post-kiln conveyor.
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
2.
METHOD OF MAKING A SPRAYABLE SETTING TYPE COMPOUND
A method of making a setting type compound by injecting an activator compound into a plaster compound wherein the activator compound tube is coaxial and within the plaster compound tube, each at the same flowrate, the same pressure and the same viscosity. The cross sectional transverse areas of an annulus containing the plaster compound and the hole in the annulus containing the activator compound are the same.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
3.
LIGHT-WEIGHT FAST-DRY SELF-LEVELING CEMENTITIOUS GYPSUM UNDERLAYMENT WITH PARTICLE FILLERS
Stucco-cement compositions with a shortened drying time, lighter weight, high strength and reduced expansion, the compositions comprising expanded perlite and preferably also calcium aluminate cement and/or calcium sulfoaluminate cement, and methods for making and using these compositions, including pourable and/or pumpable floor underlayment slurries and methods for forming high strength underlayment on different substrates.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A dry construction plaster composition made with at least stucco in an amount from about 25 to about 99 wt%; hydrated lime in an amount from about 0.5 to about 75 wt%; a phosphate-based lime bucking inhibitor in an amount from about 0.01 to about 1 wt%; and a setting reaction controlling agent, wherein the setting reaction controlling agent comprises a set accelerator, a set inhibitor, or any combination thereof is provided. Methods for preparing construction plaster slurries and pastes with reduced lime bucking and methods for finishing a substrate are also provided.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A method and apparatus for manufacturing gypsum board (10) that directs a first portion of aqueous gypsum slurry (76) of higher density to a front cover sheet (90), directs a second portion of aqueous gypsum slurry (74) of lower density to a back cover sheet (96), passes the back cover sheet (96) over a roller (54) spaced above the front cover sheet (90) so that a majority of the second aqueous gypsum slurry (74) falls off the back cover sheet (96) onto the first portion of aqueous gypsum slurry (76) on the front cover sheet (90). A gypsum board made by the method is also claimed.
B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
B28B 5/02 - Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 13/14 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
B32B 7/02 - Physical, chemical or physicochemical properties
6.
GYPSUM SLURRY MIXER PROCESS FOR ENHANCED WALLBOARD STRENGTH
A process is provided for creating a gypsum wallboard slurry with enhanced strength. The process includes providing a gypsum wallboard slurry mixer, providing suitable amounts of calcined gypsum and water in the mixer to create a slurry, agitating the slurry in the mixer, extracting a portion of the slurry in the mixer, reintroducing the extracted portion into the mixer for further mixing, and dispensing the mixed slurry from an outlet of the mixer.
B28C 5/08 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
B01F 25/50 - Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
B01F 27/271 - Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
In one aspect, a pottery plaster formulation with increased water absorption, comprising alpha stucco, continuously-calcined-in-a-kettle stucco, and a combination of Rochelle salt and one or more of the following: potassium sulfate and/or a phosphate compound. In another aspect, pottery plaster molds with increased water absorption and methods of making and using the pottery plaster molds for slip casting ceramic items.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
8.
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A POLYMER LAYER AND METHODS ASSOCIATED THEREWITH
Gypsum boards formed from synthetic gypsum and other gypsum sources having high chloride salt concentrations. Gypsum boards may include a board core including set gypsum between a front cover sheet and a back cover sheet. A total concentration of the chloride anion in the board core ranges from about 150 to 4000 parts by weight (pbw) chloride, typically about 300 to about 3000 pbw, more typically from about 400 to about 2000 pbw, further typically from about 1000 to about 2000 pbw, and further typically from about 600 to about 1000 pbw, per 1,000,000 pbw calcium sulfate dihydrate. A polymer layer contacts an inner surface of the back cover sheet. A densified gypsum layer contacts an inner surface of the front cover sheet. Methods of making the gypsum board, and a wall system for employing the gypsum boards, are also provided.
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 13/04 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 13/12 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
Provided are a gypsum set accelerator wherein the gypsum set accelerator is a dry-milled mixture comprising calcium sulfate dihydrate co-ground with one or more of the following: a polycarboxylic ether (PCE) and/or a sulfonated melamine polycondensate (SMP), gypsum slurries formulated with the gypsum set accelerator and methods for producing the gypsum set accelerator and manufacturing gypsum products with the gypsum set accelerator.
C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
A noncombustible exterior structural wall (12) of a building (10), where the noncombustible wall (12) includes a steel frame (14) with a plurality of vertically oriented support studs (10), a plurality of noncombustible panels (22) attached directly to the steel frame (14), and an exterior ornamental covering (24) attached directly to the plurality of noncombustible panels (22) with an absence of an air/ weather membrane.
E04B 2/58 - Walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
E04C 2/38 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
E04C 2/06 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement reinforced
11.
DESALINATION OF HIGH CHLORIDE SALT ABSORBED POROUS BEADS
A method of recovering desalinated activated alumina (AA) beads from a composition including salt laden (high salt absorbed) activated alumna (AA) beads and free anions and free cations, comprising the step of electrodialysis of the composition to reduce salt content of the activated alumina (AA) beads to produce a stream comprising the desalinated activated alumina (AA) beads.
B01J 20/08 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
C04B 11/26 - Calcium sulfate cements starting from phosphogypsum or from waste, e.g. purification products of smoke
A rotary union for distributing flowing material, and includes a central shaft having an upper end defining at least one inlet configured for receiving the material, and being in communication with a pocket configured for receiving the material, a lower end of the pocket defining at least one outlet port. An annular sleeve surrounds and rotates relative to the central shaft, the sleeve being provided with a plurality of radially-spaced outlet nipples. A gap is defined between an exterior surface of the central shaft and an interior surface of the sleeve, and at least one seal is disposed in the gap for isolating the gap from the material flowing through the outlet port and into the nipples. The central shaft is provided in vertically-stacked components including an upper, inlet portion, a middle or central delivery portion including the pockets and the outlets, and a lower-most base portion.
An agitator (24) for a gypsum wallboard mixer (50) is provided and includes a circular disc (26) with an upper surface (30), a drive shaft (28) extending vertically from the upper surface (30), a lump ring (40) secured to the upper surface (30), the lump ring (40) being provided in a plurality of spaced, adjacent arcuate segments (40a, 40b, 40c), with gaps (52) in between.
B28C 5/08 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
B28B 17/02 - Conditioning the material prior to shaping
B28C 5/16 - Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials the stirrers having motion about a vertical or steeply inclined axis
14.
INORGANIC PANELS WITH VOLCANIC ROCK BASED REINFORCEMENT AND METHODS FOR MAKING SAME
A cementitious panel system reinforced on its opposed surfaces by a fabric of basalt fiber woven or non-woven mesh. Preferably the mesh is a woven basalt scrim with thicker yarn and larger mesh openings to provide a cementitious panel with improved handling properties while retaining tensile strength and long term durability. The fabric is constructed as a mesh of high modulus strands of bundled basalt fibers. The fabric also has suitable physical characteristics for embedment within the cement matrix of the panels or panels closely adjacent the opposed faces thereof. The fabric provides a panel system with long- lasting, high strength tensile reinforcement and improved handling properties regardless of their spatial orientation during handling. Included as part of the invention are methods for making the reinforced cementitious panel.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
A construction unit is provided, including a load-bearing frame including a plurality of upper horizontal members joined together at ends to form an upper frame portion, a plurality of lower horizontal members joined together at ends to form a lower frame portion, a plurality of vertical members joined to and vertically separating the upper frame portion from the lower frame portion, the vertical members being located at opposing corners defined by the upper frame portion and the lower frame portion. At least one hollow structural section is vertically positioned between the upper and lower frame portions and is fixed to the frame between adjacent pairs of the vertical members; and at least one sheathing panel joined directly to the at least one hollow structural section for forming a wall of the construction unit.
E04B 1/348 - Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
16.
GYPSUM PANEL CONTAINING AMMONIUM-EXCHANGED VERMICULITE AND METHODS
This disclosure provides products useful as construction materials and containing set gypsum and ammonium-exchanged vermiculite, including a gypsum panel having a gypsum core comprising set gypsum and ammonium-exchanged vermiculite and characterized by decreased heat shrinkage and increased resistance to fire damage in comparison to the gypsum panel that comprises vermiculite that has not been ammonium-exchanged. The disclosure further relates to methods for producing the gypsum panel and constructing building assemblies with the gypsum panels, including walls and ceilings.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Fabric reinforcement for reinforcing alkaline cementitious matrix including warp yarns and weft yarns. To increase cohesive tensile strength of intersection points of the fabric the fabric has sufficient resinous coating over a substantial portion of the warp and weft yarns, before the fabric reinforcement is embedded within, or adhesively or mechanically bonded to the cementitious matrix, wherein the coating includes organic or inorganic adhesives/polymers, or the fabric has uncoated fabric modified by adhering fabric strands together where machine direction and cross-machine strands intersect, for example with cyanoacrylate or epoxy. Bond strength of the intersecting yarns of the fabric and the corresponding mechanical bond strength of the fabric to the cementitious matrix may also be enhanced by increasing roughness and/or surface area of the yarns and resulting fabric. Methods for making fabric, cementitious boards employing the fabric, and methods for making the cementitious board are also provided.
A gypsum wallboard having a core with a central core layer and one or more densified layers is disclosed. At least one densified layer contains salt absorbent particles of zeolite and/or hydrotalcite to improve adhesion of the gypsum core to a cover sheet. Also, methods of making the gypsum wallboard and a wall system for employing the gypsum wallboard are disclosed.
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 13/02 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles embedded in it or bonded with it
B32B 13/14 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A pallet centering device (20) includes a frame (22) upon which is mounted a plurality of conveyor rollers (26), the conveyor rollers mounted transverse to a direction of pallet travel. A first pallet pusher unit (36) and a second pallet pusher unit (38) are associated with respective sides of the support frame, both for reciprocal movement transverse to the direction of pallet travel. The first and second pallet pusher units each have pallet pusher members (40, 42) configured for engaging respective sides of a pallet (10). At least one transverse U-channel rail (50) is mounted to the support frame beneath the conveyor rollers and defining a channel track. Each first and second pallet pusher unit has at least one depending bearing mount (54) aligned with the channel track and provided with a bearing (56) rotatably engaging the channel track. A drive assembly (60) moves the first and second pallet pusher units reciprocally for centering the pallet located on the conveyor rollers.
This disclosure provides gypsum cement compositions which comprise an aggregate stabilizing mixture containing a combination of a polysaccharide gum and a polyacrylamide-gelatin blend, and methods for making and using these compositions, including pourable/pumpable floor underlayment slurries and methods for forming high strength underlayment on different substrates.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Embodiments of a system and a method for manufacturing calcined gypsum can include an in-line calcination control device having an x-ray analyzer. The x-ray analyzer is adapted to analyze at least one of the calcined gypsum being discharged from the calciner and the calcined gypsum being fed into a mixer of a gypsum boardline. The x-ray analyzer is configured to determine the proportion of different calcium sulphate phases found therein which can be used to control at last one of the calciner and the boardline.
A structural wall for a building is provided and includes a frame having opposing sides and a height and at least one structural panel secured to one of the sides of the frame, wherein a length of the at least one structural panel is greater than the height of the frame. An upper track is positioned over an upper end of the frame and an upper end of the at least one structural panel on each of the sides of the frame and a lower track is positioned over a lower end of the frame and a lower end of the at least one structural panel on each of the sides of the frame.
E04B 1/14 - Structures consisting primarily of load-supporting, block-shaped or slab-shaped elements the elements being composed of two or more materials
E04B 1/08 - Structures consisting primarily of load-supporting, block-shaped or slab-shaped elements the elements consisting of metal
An acoustic isolation mat is provided for placement between a subfloor and a finished floor. The acoustic isolation mat has a first layer placed directly upon the subfloor that includes a fiberglass-containing acoustic insulation, a second layer placed directly upon the first layer that includes an entangled polymer, and a third layer placed directly upon the second layer and below the finished floor that has a sheet of fibrous material.
A gasket for installation in a gap defined by adjacent modular construction units, each having a support frame. The gasket includes at least one layer of structural cement panel; and at least one layer of mineral wool, and the at least one layer of said panel and mineral wool has at least one plate recess configured for accommodating a support plate. A modular building construction is provided, including a plurality of modular units, each unit having a steel frame. Four adjacent units of the plurality form an intersection, and support plates are fastened at upper surfaces of corners formed by each frame. The gasket is disposed in a gap defined at the intersection, the gasket having four plate recesses for accommodating the support plates. In still another embodiment, a method of constructing a building made of modular units including the gasket.
E04B 1/348 - Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
E04B 1/94 - Protection against other undesired influences or dangers against fire
25.
CONSTRAINED LAYER FLOOR AND WALL DAMPING SYSTEMS USING HIGH-DENSITY REINFORCED CEMENT PANELS
A method is provided for assembling a wall system to an existing frame for a wall, floor or roof, including: attaching a first dense, fiber-reinforced cement panel to the frame, the panel having an interior surface facing the frame, and an exterior surface; applying a layer of acoustic dampening material is applied to the exterior surface; and attaching a second dense, fiber-reinforced cement panel to at least one of the dampening material, the first panel, and the frame. A building panel is provided, including, a first panel of dense, fiber-reinforced cement; an internal layer of acoustic dampening material; and a second panel of dense, fiber-reinforced cement such that the dampening material is sandwiched between the first and second cement panels.
E04B 2/74 - Removable non-load-bearing partitions; Partitions with a free upper edge
E04C 2/288 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups , , , or of materials covered by one of these groups with a material not specified in one of these groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
26.
GLASS-MAT TILE BACKER PANEL AND MANUFACTURING PROCESS OF A GLASS-MAT TILE BACKER PANEL
A gypsum tile backer panel with a pre-impregnated or pre-coated nonwoven fiber face mat. Methods for manufacturing these gypsum tile backer panel which include applying a gypsum slurry to a pre-impregnated or pre-coated nonwoven fiber face mat are also provided. A gypsum tile backer panel system employing the gypsum tile backer panel is also provided.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 13/04 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance
B32B 13/14 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
27.
INSERTION AND REMOVAL TOOL FOR GYPSUM MIXER ROTOR PIN AND GYPSUM MIXER WITH SUCH PIN
An apparatus for inserting and removing a mixer rotor pin (50) with a transverse bore (54), which includes a rod (68) dimensioned for slidably engaging the transverse bore (54). The apparatus also includes a mixer rotor pin insertion and removal tool (70) having a tool body (72). A bottom of the tool (70) has a slot (76) for selectively engaging the aforementioned rod (68) upon insertion of the rod (68) into the transverse bore (54), and a top of the tool (70) has a non-circular socket (84) for accommodating a driver tool, such as a wrench.
B28B 17/02 - Conditioning the material prior to shaping
B28C 5/08 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
B28C 5/16 - Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials the stirrers having motion about a vertical or steeply inclined axis
B01F 7/00 - Mixers with rotary stirring devices in fixed receptacles; Kneaders
B25B 13/48 - Spanners; Wrenches for special purposes
B25B 23/10 - Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
F16B 23/00 - Specially-shaped heads of bolts or screws for rotations by a tool
28.
LOW SHRINKAGE, FAST DRYING SPACKLING OR JOINT COMPOUND
Spackling and joint compounds with lower shrinkage, better sanding, and fast drying. Methods for repairing walls and ceiling in which the present spackling compound is applied to a variety of substrates, including wallboard, plaster and/or wood. Methods for finishing seams in wall construction in which the spackling/joint compound is used for finishing the seams.
A composite structure for a building that includes at least one structural panel and at least one metal corrugated panel, where the at least one structural panel is secured to said at least one metal corrugated panel.
E04B 5/04 - Load-carrying floor structures formed substantially of prefabricated units with beams of concrete or other stone-like material, e.g. asbestos cement
E04B 5/10 - Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
30.
SETTING TYPE JOINT COMPOUND COMPOSITIONS WITH REDUCED PLASTER
A snap-setting joint compound with reduced calcium sulfate hemihydrate and improved sandability, as well as methods for building wall assemblies and repairing walls with the joint compound.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A gypsum board having face and back cover sheets, a board core disposed between the face and back cover sheets, the core having set gypsum formed from a core slurry of water and stucco, a back skim coat layer defining first and second skim coat faces, the back skim coat formed from a back skim coat slurry of water, stucco, and a skim coat intumescent material, the back skim coat disposed in bonding relation to the core, the first face of the skim coat layer facing the back cover sheet, and the second face of the skim coat layer facing the board core, and the gypsum board having a High Temperature Shrinkage (S) of about 10% or less in the z direction when heated to about 1560 °F (850 °C), according to ASTM C1795-15.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 13/00 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
32.
COMPOSITE GYPSUM BOARD FORMED FROM HIGH-SALT STUCCO AND RELATED METHODS
222). The board and methods improve the bond between the gypsum layer(s) and at least one of the cover sheets (e.g., the back cover sheet). Also provided are methods and systems relating to drying gypsum board.
B32B 3/26 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 29/00 - Layered products essentially comprising paper or cardboard
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
C04B 24/38 - Polysaccharides or derivatives thereof
33.
APPARATUS AND PROCESS WITH A VIBRATORY ANGLED PLATE AND/OR FIXED HORIZONTAL PLATE FOR FORMING FIBER-REINFORCED CEMENTITIOUS PANELS WITH CONTROLLED THICKNESS
A production line (10) and process including a moving carrier web (14) for transporting the panel, and a device (93) for controlling thickness of a formed, but not yet set, fiber reinforced cementitious panel slurry on the web (14). The thickness control device (93) may include an angled rigid plate (95) for contacting a downstream end (202) of the angled plate (95) with the slurry on the moving carrier web (14) and a mounting stand (97) for mounting the angled rigid plate (95). The thickness control device (93) may include a flat horizontal plate (201) at a fixed height over the moving carrier for contacting the entire lower surface of the horizontal plate (201) with a facer (444) on the slurry on the moving carrier web (14). Or, the thickness control device (93) may include the angled plate (93) and include the horizontal plate (201) that contacts the facer (444).
B28B 1/10 - Producing shaped articles from the material by vibrating or jolting and applying pressure otherwise than by the use of presses
B28B 1/52 - Producing shaped articles from the material specially adapted for producing articles from mixtures containing fibres
B28B 5/02 - Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
B28B 13/02 - Feeding the unshaped material to moulds or apparatus for producing shaped articles
B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
B28B 23/00 - Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material
B32B 13/02 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles embedded in it or bonded with it
34.
SLURRY COMPRISING ACID-MODIFIED FLOUR, GYPSUM BOARD MADE FROM THIS SLURRY AND METHOD TO MAKE THIS GYPSUM BOARD
Disclosed is an acid-modified flour and a method of making the acid- modified flour. The acid-modified flour is desirably prepared using a dry milling process. A starting flour is combined with a strong acid to form a mixture. The mixture is heated. A neutralizer is added to increase the pH of the mixture. If desired, the mixture can be dried and any agglomerates can be removed. The acid-modified flour can be used as a binder in a slurry for preparing one or more gypsum layers in a gypsum board. Claimed is a method of making gypsum board comprising: (a) forming an acid-modified flour (b) adding the acid-modified flour to at least water and stucco to form a slurry; (c) disposing the slurry to form a gypsum board core between a first cover sheet and a second cover sheet to form a wet assembly; (d) cutting the wet assembly into the gypsum board; and (e) drying the gypsum board. Claimed is a slurry comprising water, stucco, and at least one acid- modified flour having a hot water viscosity of from 50 BU to 420 BU, as measured according to the HWVA test.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C09J 103/02 - Starch; Degradation products thereof, e.g. dextrin
C08B 30/12 - Degraded or non-chemically modified starch; Bleaching of starch
35.
GYPSUM BOARD CONTAINING HIGH ABSORPTION PAPER AND RELATED METHODS
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
36.
METHOD OF PREPARING GYPSUM WALLBOARD FROM HIGH SALT GYPSUM, AND RELATED PRODUCT
A composite gypsum board and a method of preparing the board. The board contains set gypsum layers sandwiched between two cover sheets. The set gypsum layers are formed from at least stucco and water. The set gypsum layers include a board core and one or more skim coat layers. The set gypsum core makes up a substantial thickness of the total thickness of all the gypsum layers. A first skim coat layer is included on one side of the core, facing a first (face) cover sheet. A second skim coat layer is included on the other side of the core, facing a second (back) cover sheet. At least the second skim layer is formed from a slurry that contains starch. The stucco material generally includes a high salt impurity content, for example, when the stucco is calcined from certain sources of low-quality synthetic gypsum.
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 29/00 - Layered products essentially comprising paper or cardboard
C04B 24/38 - Polysaccharides or derivatives thereof
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A gypsum slurry mixer output canister (10) is provided, including a canister housing (16) having an upper end (18), an opposite lower end (20) and defining a canister interior (22), a cover (26) secured to the upper end (18), a slurry inlet (30) in operational relationship to the upper end (18), a spiral block (46) associated with the upper end (18), and having a helical flow surface (52) depending into the interior (22). A flow distributor (60) is secured to the lower end (20) and is in fluid communication with the interior (22), and a slurry outlet (62) is defined by the lower canister housing end (20).
B28C 5/06 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions without using driven mechanical means effecting the mixing the mixing being effected by the action of a fluid
B28B 17/02 - Conditioning the material prior to shaping
B01F 3/04 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
B01F 5/06 - Mixers in which the components are pressed together through slits, orifices, or screens
B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
A joint compound including calcium sulfate hemihydrate and/or at least one filler, wherein a total amount of the at least one filler and/or calcium sulfate hemihydrate is at least about 50 wt% of the joint compound on a dry (water-free) basis, preferably the filler comprises calcium carbonate, calcium sulfate dihydrate, or calcium sulfate anhydrite, or a mixture thereof; binder at up to about 15 wt% of the joint compound on a dry basis; polymer thickener at up to about 3 wt% of the joint compound on a dry basis; plasticizer dedusting agent at about 0.01 to about 3 wt% of the joint compound on a dry (water free) basis; and an additive up to about 10 wt% of the joint compound on a dry basis.
C04B 24/04 - Carboxylic acids; Salts, anhydrides or esters thereof
C04B 26/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
39.
SHIPPING CONTAINER NONCOMBUSTIBLE BUILDING FIRE DESIGN
A building member for constructing a multi-level building, where the building member includes a shipping container including a plurality of walls having a top wall, a bottom wall, a front wall, a rear wall and opposing side walls connected together, and a building panel made of a cementitious material attached to at least one of an inner side or an outer side of at least one of the plurality of walls of the shipping container.
E04B 1/348 - Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
E04B 1/94 - Protection against other undesired influences or dangers against fire
40.
GYPSUM WALLBOARD WITH ENHANCED FIRE RESISTANCE, AND RELATED COATINGS AND METHODS
Disclosed are an organic binder-based coating; a composite gypsum board containing face and back cover sheets, an outside surface of the back cover sheet bearing the coating; and a method of preparing composite board where the back cover sheet contains the coating on its outer surface. The coating is formed from a composition comprising an alkaline silicate, a solid filler, and optionally, a borate. An enhancing layer can also be applied to the back cover sheet.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
C04B 41/50 - Coating or impregnating with inorganic materials
C09D 1/02 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
A building construction product with an electroconductive surface, the building construction product comprising a core with one or more surfaces covered by an electroconductive paper comprising carbon fibers, the electroconductive paper being attached to the one or more surfaces of the core. Methods and materials for producing the building construction products with an electroconductive surface and products and methods for shielding an area from electromagnetic waves.
D21H 15/02 - Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
D21H 21/52 - Additives of definite length or shape
D21H 27/18 - Paper-based or board-based structures for surface covering
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
42.
ALUMINATE-ENHANCED TYPE I PORTLAND CEMENTS WITH SHORT SETTING TIMES AND CEMENT BOARDS PRODUCED THEREFROM
Aqueous cementitious slurries including predominantly Type I Portland cement containing an aluminate additive. The aluminate additive is an aluminate salt other than calcium aluminate or calcium sulfoaluminate, preferably sodium aluminate. Cementitious reactive powders of the slurry include the Type I Portland cement and 0.1-10 wt. % of the aluminate additive as an accelerator. The slurries may have a set time of about 10 minutes or less. Due to the short set time, the cementitious reactive powders may facilitate cement board fabrication by continuous manufacturing processes. Methods for making cement boards may include disposing the aqueous cementitious slurry including the cementitious reactive powders in a continuous layer, preferably upon a porous support, and setting the aqueous cementitious slurry with a set time of about 10 minutes or less.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Disclosed is a composite gypsum board comprising a board core comprising set gypsum sandwiched between face and back cover sheets. The composite gypsum board also comprises an intermediate sheet between the board core and the face cover sheet, with a thin, dense gypsum layer disposed between the intermediate sheet and the face cover sheet. Optionally, a second dense gypsum layer can be disposed between a first major side of the board core and the back cover sheet. Also disclosed is a method of preparing a composite gypsum board in which an intermediate sheet is applied over a dense gypsum layer disposed on a face cover sheet. A back cover sheet is applied to the other major side of the board core, with a second dense gypsum layer optionally disposed therebetween.
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
B32B 7/02 - Physical, chemical or physicochemical properties
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
44.
SYSTEM AND METHOD FOR CONTINUOUS MANUFACTURE OF JOINT COMPOUND
Embodiments of a system (20) and a method for continuously manufacturing a joint compound can be used to produce ready mix joint compound. The system includes means (23) for continuously mixing wet and dry joint compound ingredients together and means (25) for homogenizing multiple volumetric units of mixed joint compound to reduce variation in at least one joint compound material property (e.g., viscosity) across multiple successively produced volumetric units of mixed joint compound (relating to standard commercial packaging sizes for joint compound) relative to the material property of the respective multiple volumetric units before passing through the means for homogenizing.
B01F 3/12 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed liquids with solids
B01F 13/10 - Mixing plant, including combinations of dissimilar mixers
B28C 5/08 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
B28C 5/14 - Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials the stirrers having motion about a horizontal or substantially horizontal axis
B28C 7/04 - Supplying or proportioning the ingredients
B28C 9/00 - General arrangement or layout of plant
B01F 7/00 - Mixers with rotary stirring devices in fixed receptacles; Kneaders
A wall for a building that includes a framed wall structure including a top support, a bottom support, and opposing side supports connected together, and at least one intermediate support attached to the top support and the bottom support, and a blast panel made of a cementitious material attached to the framed wall structure.
A water-free blend as well as a self-consolidating geopolymer composition in the form of a slurry having an initial slump diameter and/or one hour slump diameter greater than 18 inches when measured in accordance to ASTM C1611-14 and having a final setting time of at least 60 minutes measured using ASTM C191-13 as well as having an air content of 0% to 20% by volume. The composition comprises a mixture of water and cementitious reactive powder at ratio w/crp = 0.3-0.55, cement set retarder, alkali metal chemical activator selected from alkali metal salt and/or alkali metal base and a freeze-thaw durability component. The cementitious reactive powder comprises a thermally activated aluminosilicate mineral and optionally an inorganic mineral comprising alkaline earth metal oxide, an aluminate cement, and a calcium sulfate. The thermally activated aluminosilicate mineral is selected from at least one member of the group consisting of fly ash, blast furnace slag, thermally activated clays, shales, metakaolin, zeolites, marl red mud, ground rock, and ground clay bricks. Likewise, a method for making this self-consolidating geopolymer compositions comprising the step of preparing a slurry by mixing water; cementitious reactive powder, cement set retarder, alkali metal chemical activator, freeze-thaw durability component.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
C04B 40/06 - Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers
47.
INDICATOR FOR THE SANDING OF JOINT COMPOUNDS AND SPACKLES
Joint compounds and spackling compounds which comprise a sanding indicator, the compounds displaying a first color at the surface upon drying/hardening. Methods for finishing a substrate or patching a substrate, the methods comprise applying the joint compound which comprises the sanding indicator and/or the spackling compound which comprises the sanding indicator and sanding the dried/hardened compound until the first color is removed. Accessory products which comprise at least one sanding indicator and methods for making joint compounds and spackling compounds comprising the sanding indicator.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
A modular assembly (20) is provided and includes a modular frame (28) to be installed at least partially below grade and at least two panels (34) attached to the modular frame (28), where the at least two panels (34) are made of a material that withstands lateral, vertical and shear forces generated by surrounding below grade materials. The modular frame (28) and the at least two panels (34) are joined together as a unit prior to installation.
An exterior sheathing cementitious panel which prevents water penetration and air leakage is provided. Methods for manufacturing exterior sheathing cementitious panels with a highly efficient integrated air/water barrier sheet are also provided. An exterior sheathing system employing the exterior sheathing cementitious panel is provided.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 13/14 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
B32B 13/12 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 13/06 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of metal
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
A heating system for a floor is provided and includes a plurality of heating devices, where each of the heating devices includes a membrane, and a plurality of heating elements and at least one electrical coupling member attached to the membrane. At least one heating device coupling member is attached to the at least one electrical coupling member on adjacent heating devices of the plurality of heating devices, where the at least one heating device coupling member conveys electricity between the adjacent heating devices.
F24D 13/02 - Electric heating systems solely using resistance heating, e.g. underfloor heating
H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
51.
MAGNETIC DECORATIVE TRIM WITH DC POWER TRANSMISSION
A decorative interior trim piece (14) is provided for use in a low voltage power transmission system, and includes an outer, decorative surface (22), an opposite inner surface (21) facing a substrate (12), a first end surface and an opposite second end surface. At least one conductive element (32) extends from the first end surface to said second end surface on the inner surface. Each conductive element has a connector surface (34) at each of the first end and second ends. At least one magnetic fastener (36) is secured to the inner surface for releasably attaching the trim piece to the substrate. A complementary low voltage power transmission system is also disclosed.
Gypsum boards formed from synthetic gypsum and other gypsum sources having high chloride salt concentrations. The gypsum boards may include a set gypsum board core layer between a front and back paper cover sheets. The back paper cover sheet has a plurality of perforations extending therethrough. Methods of making the gypsum boards, and a wall system for employing the gypsum boards, are also provided. The concentration of the chloride anion in aqueous gypsum slurry used to make the set gypsum board core layer and to perform the methods of the invention may range from about 500 ppm to about 3000 ppm, typically from about 500 ppm to about 2000 ppm per 1,000,000 parts by weight calcium sulfate hemihydrate, more typically from about 500 ppm to about 1500 ppm per 1,000,000 parts by weight calcium sulfate hemihydrate.
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
53.
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A STARCH LAYER AND METHODS ASSOCIATED THEREWITH
Gypsum boards formed from synthetic gypsum and other gypsum sources having high chloride salt concentrations. Gypsum boards may include a board core including set gypsum. A total concentration of the chloride anion in the board core ranges from about 500 ppm to about 3000 ppm, typically about 1000 ppm to about 3000 ppm, based on weight of the calcium sulfate hemihydrate. An inner surface of a front paper cover sheet contacts a first face of the board core. An inner surface of a back paper cover sheet contacts a second face of the board core. A starch layer coats the inner surface of at least one of the front and back cover sheet. Methods of making the gypsum board, and a wall system for employing the gypsum boards, are also provided.
B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
D21H 19/34 - Coatings without pigments applied in a form other than the aqueous solution defined in group comprising cellulose or derivatives thereof
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
54.
GEOPOLYMER COMPOSITIONS AND METHODS FOR MAKING SAME
Geopolymer compositions utilizing fly ash and an inorganic mineral including alkaline earth metal oxide as cementitious reactive components. The inorganic mineral includes alkaline earth metal oxide preferably calcium oxide (also known as lime or quicklime) or magnesium oxide, or combinations thereof. The cementitious reactive powder may also optionally include one or more aluminous cements and one or more source of calcium sulfates. The cementitious reactive powders are activated with an alkali metal chemical activator selected from at least one member of the group consisting of an alkali metal salt and an alkali metal base. The inorganic minerals including alkaline earth metal oxide preferred in this invention have an alkaline earth metal oxide content preferably greater than 50 wt%, more preferably greater than 60 wt%, even more preferably greater than 70 wt%, and most preferably greater than 80 wt%, for example greater than 90 wt%. Methods for making the compositions are also disclosed.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
55.
WALLBOARD SCORE, SNAP AND EDGE APPEARANCE TEST PROCEDURE
A procedure is provided for evaluating the score, snap and edge appearance of wallboard panels, and includes scoring a wallboard panel with a knife at a constant and known force using a benchtop board scoring device; snapping the scored panel in a Universal Board Testing Machine to measure the breaking force, forming a snapped panel edge; measuring a cleanliness of the snapped panel edge by placing a straight edge against the snapped panel edge and measuring gaps between the snapped panel edge and the straight edge in a plurality of locations on a face of the panel, and a plurality of locations on a back of the panel; and averaging all of the measured gaps to create an Index Score.
A method of making a gypsum board including: preparing an aqueous slurry including a mixture of: calcium sulfate hemihydrate, water at a weight ratio of water to calcium sulfate hemihydrate of 0.2:1 to 1.2:1, and on a dry basis per 100 parts by weight (pbw) calcium sulfate hemihydrate: 0.2 to 2 pbw siloxane, 0.01 to 2 pbw siloxane polymerization catalyst including magnesium oxide and optionally fly ash, and 0.01 to 0.2 pbw triethanolamine (TEOA); allowing the siloxane to polymerize to polysiloxane; and depositing the slurry on a first cover sheet and covering the slurry with a second cover sheet to shape the slurry, and allowing the shaped slurry to set to form the gypsum board. Also, disclosed is the gypsum board resulting from the method.
C04B 24/42 - Compounds having one or more carbon-to-silicon linkages
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A non-swelling joint tape for use with drywall applications includes a tapered trim strip body extending along a central body axis and a non-swelling backing paper. The tapered trim strip body includes a first surface, a second surface opposite the first surface, a first side, and a second side opposite the first side, and is at least partially constructed from a first dimensionally stable material. The non-swelling backing paper is at least partially secured to the second surface of the tapered trim strip body and is at least partially constructed from a second dimensionally stable material. The tapered trim strip body is dimensioned such that a first thickness between the first surface and the second surface at the central body axis is greater than a second thickness between the first surface and the second surface at the first side and the second side.
B32B 3/26 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids
B32B 15/00 - Layered products essentially comprising metal
B32B 17/02 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like in the form of fibres or filaments
A gap finishing tape for use with drywall applications includes a trim strip body extending along a central body axis, a hot melt adhesive extending along the central body axis, and a backing paper. The trim strip body includes a first surface, a second surface opposite the first surface, a first side, and a second side opposite the first side, and is at least partially constructed from a metallic material. The backing paper is at least partially secured to the second surface of the trim strip body. The trim strip body is at least partially embedded in the hot melt adhesive.
A drying-type joint compound, a setting-type joint compound, and/or a ready-mixed, setting-type joint compound can include a phospholipid dedusting agent. For example, a drying-type joint compound can include: (a) a primary filler at 50 weight percent (wt%) to 98 wt% on a dry basis, wherein the primary filler includes one of calcium carbonate, calcium sulfate dihydrate, and talc, and a mixture thereof; (b) a secondary filler at up to 25 wt% on a dry basis; (c) a binder at 1 wt% to 15 wt% on a dry basis; (d) a polymer thickener at 0.05 wt% to 3 wt% on a dry basis; (e) a phospholipid dedusting agent at 0.01 wt% to 3 wt% on a dry basis; (f) an additive up to 10 wt% o on a dry basis; and (g) water at a weight ratio of water to dry components of 1:6 to 2:1.
C04B 26/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
60.
MULTI-LAYER GYPSUM BOARD AND RELATED METHODS AND SLURRIES
Disclosed is a composite gypsum board comprising a board core and a concentrated layer, as well as related methods of preparing board and slurries. The board core and the concentrated layer both are formed from water and stucco. The concentrated layer is designed to have higher density and/or nail pull than the core. The concentrated layer is further formed from a polysaccharide that forms a complex with calcium ions, e.g., an alginate compound such as sodium alginate. In some embodiments, the concentrated layer is formed from an enhancing additive to enhance strength therein, while the core is formed without using enhancing additive or less enhancing additive than used in forming the board core.
B32B 13/02 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles embedded in it or bonded with it
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
61.
MULTI-LAYER GYPSUM BOARD AND RELATED METHODS AND SLURRIES
Disclosed is a composite gypsum board comprising a board core and a concentrated layer, as well as related methods of preparing board and slurries. The board core and the concentrated layer both are formed from water and stucco. The concentrated layer is designed to have higher density and/or nail pull than the core. The concentrated layer is further formed from one or more of starch thickener, cellulose, and/or copolymer containing polyacrylamide and acrylic acid. In some embodiments, the concentrated layer is formed from an enhancing additive to enhance strength therein, while the core is formed without using enhancing additive or less enhancing additive than used in forming the board core.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 13/02 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles embedded in it or bonded with it
B32B 13/04 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
B32B 13/14 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
C04B 111/00 - Function, property or use of the mortars, concrete or artificial stone
A fastener (10) is provided and is configured for securing magnetized items (52) to a wall board panel (12). Included on the fastener (10) is a fastener body (16) having a first side (18) and an opposite second side (20), and a counter-sunk through-bore (22) extends from the first side (18) to the second side (20). The body (16) has a tapered peripheral edge (26). In addition, the first side (18) is covered with wallboard joint tape (28).
gg) of -10 ℃ to 30 ℃; an intermediate gypsum layer including gypsum on the adhesive layer such that the adhesive layer is between the second cover sheet material and the intermediate gypsum layer, wherein the adhesive layer and the intermediate gypsum layer have a combined thickness of 0.09 inches to 0.25 inches; and a third cover sheet material, wherein the intermediate gypsum layer is between and in contact with the adhesive layer and the third cover sheet material.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 13/08 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of paper or cardboard
E04B 9/04 - Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, sheets or the like
E04C 2/24 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of foamed products laminated and composed of materials covered by two or more of groups , ,
64.
SYSTEM AND METHOD FOR MANUFACTURING GYPSUM BOARDS WITH ONLINE LUMP DETECTION
Embodiments of a system (20) and a method for manufacturing a gypsum board (25) include a forming assembly (35) configured to form the gypsum board (25) to be within a predetermined thickness range and to detect vibration at the forming assembly (35) during the continuous manufacture of gypsum board (25) that is indicative of a hardened lump of slurry that may cause manufacturing process problems being lodged at or passing through the forming assembly (35). The forming assembly (35) includes first and second forming members (105, 107), an actuator (110), a vibration sensor (115, 116, 117), and a controller (120). The vibration sensor (115, 116, 117) is arranged with respect to one of the first and second forming members (105, 107) to detect the vibration of said forming member (35). The controller (120) is programmed to control the actuator (110) to increase the height between the second forming member (107) and the first forming member (105) by a predetermined amount in response to the vibration signal from the vibration sensor (115, 116, 117) satisfying a condition.
B28B 17/00 - SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER - Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
65.
FLY ASH-FREE COATING FORMULATION FOR FIBROUS MAT TILE BACKERBOARD
Mat-faced cementitious board including: (a) a cementitious core; (b) a fibrous mat having an inner first surface facing at least one face of the cementitious core, and an outer second surface, wherein the inner first surface and the outer second surface are opposed; (c) a hydrophobic, non-setting coating resulting from applying to the outer second surface of the fibrous mat a layer of hydrophobic finish composition including: (i) about 50 to about 80 weight % non-setting, inorganic filler having a mean particle diameter of about 12 microns to about 35 microns, (ii) about 20% to about 50 weight % an aqueous dispersion of a film-forming polymer, (iii) 0% to about 30 weight % additional water; (iv) an absence of fly ash, (v) an absence of pozzolanic material, (vi) an absence of hydraulic cement, (vii) an absence of calcium sulfate hemihydrate, and (viii) an absence of calcium sulfate anhydrite.
B32B 13/14 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
66.
COLLOIDAL VESICLES FOR USE AS DEDUSTING AGENTS IN CONSTRUCTION PANELS
Ceiling tiles and wallboards can be produced with vesicle dedusting agent. For example, a ceiling tile can include: a dried base mat that includes: (a) mineral wool; (b) binder; (c) a vesicle dedusting agent at about 0.01 to about 10 wt%, wherein the vesicle dedusting agent includes vesicles; (d) optionally cellulosic fiber; (e) optionally perlite; (f) optionally glass fiber; and (g) optionally calcium sulfate dihydrate. For example, a wallboard can be produced from slurry including: (a) calcium sulfate hemihydrate at 70 to 99.6 wt%; (b) vesicle dedusting agent at about 0.01 to about 10 wt%, wherein the vesicle dedusting agent includes vesicles; (c) optionally cellulose fibers at about 0.5 to about 3 wt%; (d) optionally at least one dispersant at about 0.01 to about 2 wt%; and (e) water at a ratio of water to dry components of about 1:6 to about 20:1.
C04B 26/28 - Polysaccharides or derivatives thereof
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A joint compound which is any one of a drying-type joint compound, a setting-type joint compound, and a ready-mixed, setting-type joint compound including a vesicle dedusting agent at about 0.01 wt% to about 10 wt% on a dry basis, wherein the vesicle dedusting agent comprises vesicles.
C04B 26/28 - Polysaccharides or derivatives thereof
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
68.
ACCELERATOR COMPRISING STARCH, AND RELATED BOARD, SLURRIES, AND METHODS
An accelerator for accelerating the rate of hydration of calcined gypsum is disclosed. The accelerator comprises calcium sulfate dihydrate particles and a starch. The starch has a cold water solubility of at least about 25% (e.g., at least about 35%) and a viscosity of about 25 Brabender Units (BU) or less when the starch is in a 30% aqueous slurry at 92 °C. Also disclosed are a method of preparing an accelerator, method of hydrating stucco to form set gypsum, slurry, and method of making gypsum board.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
69.
A METHOD FOR MAKING A LIGHTWEIGHT GYPSUM COMPOSITION WITH INTERNALLY GENERATED FOAM AND PRODUCTS MADE FROM SAME
22 and create the foamed gypsum slurry; transferring the slurry from the mixer to a cavity between two wall boards via a third hose. Allowing the slurry in the cavity to expand, harden and dry.
C04B 38/02 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 111/72 - Compositions used for repairing existing buildings or building materials
70.
JOINT COMPOUNDS AND PLASTERS WITH A COMPLEXOMETRIC DYE AND METHODS
A building construction product comprising a calcium compound and an indicator which comprises a reversable chelator of calcium ions, wherein the building construction product has a first color when the building construction product comprises water, wherein the first color is dependent on the presence of calcium ions in solution in the building construction product; and wherein the building construction product has a second color when the building construction product has solidified. Further aspects include methods of monitoring setting and drying reactions of building construction products, including setting-type joint compounds, drying-type joint compounds and plasters, where the building construction products comprise a calcium compound and an indicator which comprises a reversable chelator of calcium ions.
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups; Apparatus specially adapted for such methods using chemical indicators
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A screen assembly (10) includes a housing (32) having an inlet end (36) and an outlet end (40), and a stucco discharge opening (24) being located between the inlet end and the outlet end. An auger shaft (54) is located in the housing for axial rotation and having at least one first helical flight (72) arranged in a flight pattern oriented so that material engaging the first helical flight is conveyed from the inlet end to the outlet end. A screen (76) surrounds the at least one first helical flight for common rotation and extends generally from the inlet end to the outlet end. At least one second helical flight (80) is disposed on an exterior surface (82) of the screen and is arranged in a flight pattern oriented so that material engaging the second helical flight is conveyed in a direction from the outlet end.
A ready-mixed setting type joint compound in which formation of gypsum seeds has been inhibited. A method for controlling a setting reaction by mixing a ready-mixed setting type joint compound with one or more metal ion control agents comprising aminopolycarboxylic acid and/or a salt thereof, and further mixing the setting type joint compound with one or more non-calcium phosphate compounds. The method may further comprise mixing the setting type joint compound with a set activator obtained by blending together a first set activator including a cadmium compound, lead compound and/or zinc compound and a second set activator including a ferrous compound, aluminum compound and/or manganese compound.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 40/06 - Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers
73.
JOINT TAPE EMBEDDING APPARATUS, SYSTEM, AND METHOD
A joint tape embedding apparatus configured to determine the bonding and/or "feel" of embedding joint tape into a dry wall or wall board joint using a particular joint compound. The joint embedding apparatus is configured to allow the same user or different users to accurately repeat the determination of the bonding and/or "feel" attributes of the joint compound.
Disclosed is gypsum board formed from stucco, water, and at least one migrating starch having a cold-water solubility of at least about 25%. Generally, the starch has a viscosity of less than about 20 centipoise (e.g., from about 1 centipoise to about 20 centipoise), as determined according to the VMA method. Also disclosed are related slurries and methods of preparing gypsum board.
C04B 24/38 - Polysaccharides or derivatives thereof
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Composite roofing structures can include mineral fiber roof cover boards with high concentration of mineral wool or mineral wool and perlite. The roofing structure may include: a roof cover board including a dried base mat including: 8-25% mineral wool, 40-65% perlite, 9-15% binder, 9-15% cellulosic fiber, and 0.25-2% sizing agent, all % by weight; an insulation layer; and a roofing membrane. The roof cover board is over the insulation layer, the roofing membrane is over the roof cover board. The roof cover board is attached to the insulation layer. The roofing membrane is attached to the roof cover board. Alternatively dried base mat may include: 30-70% mineral wool, 10-50% perlite, 5-15% binder, 2-20% cellulosic fiber, and 0.25 - 2% sizing agent. Alternatively the dried base mat may include: 60-90% mineral wool, 0-10% fiber, 0-10% perlite, 4-10% binder, 0-5% gypsum, and 0.25-2% sizing agent.
An improved resilient wallboard channel constructed and arranged for attachment to a surface of a framing member and accommodating standard fasteners. Included on the present channel is a first, generally planar surface having an elongate edge, an inclined web disposed along the elongate edge and projecting at an oblique angle relative to the first surface, a web edge of the inclined web opposite the first surface is shared with a second, generally planar surface, a stop flange, which is shorter than the inclined web, projects from a stop flange edge of the second surface opposite the inclined web, and the first surface and the web edge are separated by at least -inch measured normally from the framing member surface.
E04F 13/08 - Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
E04B 1/82 - Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
E04B 2/74 - Removable non-load-bearing partitions; Partitions with a free upper edge
A water-soluble texture enhancing composition, including a base powdered composition including powdered calcium carbonate, and a soluble packaged bleach, provided in sufficient quantity so that upon mixing with the base composition and water to form an aqueous slurry, and being agitated, the bleach provides an anti-microbial function for an extended period, preferably up to 80 hours. Also, a process for preparing a textured composition is provided, including providing a base powdered texture composition, providing soluble packaged bleach and mixing same with the base composition, and adding water to create an aqueous slurry, the soluble packaged bleach being provided in sufficient amount for inhibiting microbial growth in the solution for an extended period, preferably up to 80 hours.
Disclosed is gypsum board with good strength, as well as gypsum slurries, methods, and cover sheets. Board is formed using one or more of starch, electrolyte, and/or hydrophilic material. These strength ingredients can be applied onto a cover sheet before contacting a gypsum slurry used in forming a gypsum layer in the board, and/or can be incorporated into the gypsum slurry used for forming one or more gypsum layers in the board, e.g., the board core and/or a concentrated gypsum layer between the core and one or both cover sheets.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
D21H 19/34 - Coatings without pigments applied in a form other than the aqueous solution defined in group comprising cellulose or derivatives thereof
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
79.
GYPSUM COMPOSITION COMPRISING UNCOOKED STARCH HAVING MID-RANGE VISCOSITY, AND METHODS AND PRODUCTS RELATED THERETO
Disclosed is a gypsum board comprising a set gypsum core disposed between two cover sheets, the core formed from a slurry comprising stucco, water, and at least one uncooked starch having a) a hot water viscosity of 20 - 300 Brabender Units when the viscosity is measured by the HWVA method and/or b) a peak viscosity of 120 - 1000 Brabender Units when the viscosity is measured by putting the starch in a slurry with water at a starch concentration of 15% solids, and using a Viscograph-E instrument set at 75 rpm and 700 cmg, where the starch is heated from 25 °C to 95 °C at a rate of 3 °C/minute, the slurry is held at 95 °C for ten minutes, and the starch is cooled to 50 °C at a rate of -3 °C/minute and/or c) a cold water viscosity at 10% of solids of 5 - 50 centipoise when the viscosity is measured by a Brookfield viscometer method at 25° C. Further disclosed is a method of preparing gypsum board comprising: (a) mixing a slurry comprising stucco, water, and at least one uncooked starch a) or b) (b) disposing the slurry between a first cover sheet and a second cover sheet to form a wet assembly; (c) cutting the wet assembly into a board; and (d) drying the board, the dried board having a density of about 35 pcf (560 kg/m3 ) or less and the board having a nail pull resistance of at least about 72 lbs-f according to ASTM 473-10, method B.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A method can include: hot milling a mixture comprising calcium sulfate dihydrate and about 5% to about 25% sucrose by weight of the calcium sulfate dihydrate at a temperature of about 150 F (66 C) to about 250 F (121 C) to produce a climate stabilizing accelerator (CSA). The CSA produced from this method is dispersed in water and optionally aged for at least 1 minute before use in forming gypsum-fiber composite boards.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A prefill tool (10) for finishing wallboard joints (50) is provided, and includes a box assembly (12) defining a hopper, having a top wall (28) and a front wall (26) constructed and arranged for engaging the wallboard joint. The front wall partially defines a gate (54) dimensioned for dispensing joint compound stored in the hopper. Also, the gate is located on a skid plate (66) mounted on the front wall, the skid plate having a main portion (68), and a gate portion (74) partially defining the gate being displaced from a plane defined by the main portion.
Embodiments of a system (50) and a method for manufacturing a cementitious panel (10) can be used to produce a cementitious panel (10) having a multi-layer air/water barrier membrane assembly (18). The layers (21, 22, 23) of the membrane (18) can be built up via a series of applicator stations (72, 75, 78) applying a fluid composition using roll coating, for example. Between applicator stations (72, 75, 78) the applied layer of fluid composition can be subjected to drying conditions via infrared heating. To help protect from the deleterious effects of infrared heating, the cementitious panel (10) can be conveyed through a cooling tunnel (93, 103, 113) after each drying section (92, 102, 112).
B28B 11/24 - Apparatus or processes for treating or working the shaped articles for curing, setting or hardening
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
C04B 41/70 - Coating or impregnating for obtaining at least two superposed coatings having different compositions
F26B 3/30 - Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
83.
NO FIBER CALCINATION OF GYPSUM FOR GYPSUM FIBERBOARD
The present disclosure relates to no fiber calcined gypsum and methods of making the same using a multi-stage (typically two-stage) calcination process. The first stage is a high temperature calcination and nucleation stage. The second stage is a lower temperature calcination and crystal growth stage which produces product slurry containing calcined gypsum particles having large, acicular calcined gypsum crystal morphology for use in making gypsum fiberboard.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Provided herein is a joint compound having a composition to allow tools to easily clean up, comprising water, at least one inert filler, and a binder comprising a sulfonated starch, and a method of preparing the joint compound.
A wallboard panel which comprises a paper cover sheet comprising microfibrillated cellulose (MFC). A paper cover sheet comprising MFC. A paper stock composition comprising MFC and methods for making a multi-ply paper cover sheet comprising MFC. Methods for making a wallboard panel comprising a paper cover sheet comprising MFC.
D21H 27/38 - Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
D21H 11/18 - Highly hydrated, swollen or fibrillatable fibres
E04C 2/02 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
A heating device for a floor includes a membrane, a plurality of heating elements attached to the membrane, at least one positively charged electrode attached to each of the heating elements and at least one negatively charged electrode attached to each of the heating elements, where the at least one positively charged electrode and the at least one negatively charged electrode are connected to an electrical power source and supply electrical power to the heating elements. The heating elements, the at least one positively charged electrode and the at least one negatively charged electrode are arranged on the membrane so that cutting of the membrane along a cutting line in any direction across the membrane does not disrupt the supply of electrical power to the heating elements.
H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
87.
CALCINED GYPSUM SLURRY MIXING APPARATUS HAVING VARIABLY POSITIONABLE LUMP RING AND METHOD FOR MANUFACTURING GYPSUM PRODUCT USING SAME
A mixing apparatus (10) for producing aqueous calcined gypsum slurry includes a housing (20), a rotor assembly (21), and an actuator system (23). The housing (20) defines a mixing chamber (30) therewithin. A top lid (32) of the housing (20) includes a lid ring (37) extending along a normal axis (NA) toward a bottom (34) thereof. The rotor assembly (21) includes a rotor (40) disposed within the mixing chamber (30) and a drive shaft (43) extending along and rotatable about the normal axis (NA). The rotor (40) is rotatively coupled with the drive shaft (43) and extends radially therefrom. The upper surface of the rotor (40) and the lid ring (37) are separated by a lid ring gap (GLR) along the normal axis (NA). The actuator system (23) is arranged with the rotor assembly (21) to selectively move the rotor (40) over a range of travel along the normal axis (NA) between a lowered position and a raised position to selectively change the lid ring gap (GLR).
B28C 7/12 - Supplying or proportioning liquid ingredients
B28C 5/08 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
B28C 5/12 - Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials
88.
GYPSUM SET ACCELERATOR AND METHOD OF PREPARING SAME
A modified gypsum set accelerator and a method of preparing the same is provided, which includes dry loose finely ground particles of a mixture of ground dry calcium sulfate dihydrate and a grinding aid selected from one or more of beta-naphthalene sulfonate formaldehyde condensate, trimetaphosphate phosphate salt, tripolyphosphate salt, tetra-pyrophosphate salt, and pregelatinized starch.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
A gypsum fiber roofing panel with an angled edge for accommodating environmentally-induced expansion is provided, including a homogeneous body formed from a slurry of gypsum and reinforcing fibers having a face panel, a back panel, and a plurality of side edges, each side edge having an angle relative to a plane defined by the adjacent face panel in the range of 81-87° for accommodating environmentally-induced expansion relative to adjacent panels upon installation on a roof.
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
E04C 2/06 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement reinforced
E04B 2/72 - Walls of elements of relatively thin form
An identifiable wallboard joint tape is provided and includes a web of tape incorporated with an identifier such that the tape is visible under UV light and visually distinguishable from the surrounding wallboard joint and joint compound.
An extension collar is provided for use with a pail having an opening and containing mixable building material. The collar includes an annular body with an upper edge, an opposite lower edge, and a sidewall connecting the edges. In addition, the body has a diameter that is complementary to, and insertable into the opening of the pail such that upon insertion into the pail, the collar adds to a height of the pail.
B65D 25/00 - CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES - Details of other kinds or types of rigid or semi-rigid containers
E04G 21/02 - Conveying or working-up concrete or similar masses able to be heaped or cast
92.
SYSTEM AND METHOD FOR EVALUATING EDGE HARDNESS OF CEMENTITIOUS BOARDS AND SYSTEM FOR STACKING CEMENTITIOUS BOARDS INCLUDING SAME
Embodiments of a system and a method for determining an edge hardness value for a cementitious board (25) can be used to effectively determine the hardness of the board after it has been made and dried at a predetermined location, such as, at a stacking station, for example. An actuator assembly (122) can manipulate a punch (120) such that the punch is inserted into one of the edges (34, 35) of one of the cementitious boards in the stacker in a controlled manner. A force gauge (124) can be associated with the punch to measure the resistance force exerted by the cementitious board in response to the punch being inserted into its edge. The measured resistance force can be used to determine the edge hardness value.
G01N 3/42 - Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
B28B 17/00 - SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER - Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
A ball drop iris is provided for use in a ball drop testing apparatus. Included on the iris is a lower housing having an upper mounting flange having a ball opening and a body depending from the flange, the body defining a passage through which a test ball passes. A control ring is disposed on the upper mounting surface for sliding, rotating action relative to the lower housing. A plurality of iris petals is provided, each operationally connected to the control ring and to the upper mounting flange to pivot between a closed position in which the ball opening is blocked, and an open position in which the petals are simultaneously retracted and the opening is clear for passage of a test ball
G01N 3/303 - Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force generated only by free-falling weight
A bench top board scoring device (10) is provided, including a frame (14) having a first end (16) and an opposite second end (18), a work area (20) defined between the first and second ends (16, 18), each end (16, 18) having at least one leg (22) configured for contacting a substrate (12). A track (36) is connected to the frame (14) and extends between the first end (16, 18, 38) and the second end (16, 18, 38), a carriage (42) is slidably mounted to the track (36) for travel between the first end (16) and the second end (18), and an arm (50) has an upper surface (52), a pivot end (54) pivotally connected to the carriage (42), and an opposite knife mount end (56). A knife blade (78) is mounted to the knife mount end (56). Wherein the present device (10) is constructed and arranged so that as the carriage (42) is moved from the first end (16) to the second end (18), wallboard samples placed in the work area (20) and contacted by the knife blade (78) receive a constant scoring force.
B26D 7/00 - CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING - Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
B26D 1/04 - 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
B26D 3/08 - Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
Cementitious binder compositions for cementitious products including a hydraulic cement-based reactive powder blend, an inorganic flow control agent, and a metal-based dimensional movement stabilizing agent including at least one member of the group of lithium salt and lithium base, and methods for making the cementitious binder compositions.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
96.
LID WITH HINGED COMPARTMENTS FOR JOINT COMPOUND CONTAINER
A container and lid assembly is provided, including a main container (12) defining a chamber (20) with a base joint compound (22); and a container lid (14) constructed and arranged for closing the main container, the lid having a main hinged lid door (26) openable to provide access to the chamber; and at least one supplemental lid door (28) hinged to the lid and openable to a supplemental compartment (30), the supplemental compartment being isolated from the chamber.
B65D 1/36 - Trays or like shallow containers with moulded compartments or partitions
B65D 81/32 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
B65D 43/16 - Non-removable lids or covers hinged for upward or downward movement
B65D 1/24 - Boxes or like containers with side walls of substantial depth for enclosing contents with moulded compartments or partitions
97.
PACKAGE FOR DELIVERY OF ADDITIVES FOR POWDERED COMPOSITIONS
A joint compound system (10) is provided including a main container (12) of base joint compound; and an additive container (28) isolated from the base joint compound and housing at least one and preferably multiple additive packages (30) constructed and arranged so that the additive packages are protected from exposure to moisture prior to their ultimate mixing with the base joint compound.
B65D 81/32 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
B65D 51/28 - Closures not otherwise provided for combined with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
B65D 65/46 - Applications of disintegrable, dissolvable or edible materials
98.
FIRE RESISTANT GYPSUM BOARD COMPRISING EXPANDABLE GRAPHITE AND RELATED METHODS AND SLURRIES
Disclosed are a gypsum board, and related slurries and methods. The gypsum board comprises a gypsum layer disposed between two cover sheets. The gypsum layer comprises a crystalline matrix of set gypsum and expandable graphite. The expandable graphite exhibits volume expansion at high temperatures. Optionally, unexpanded vermiculite can also be included in the gypsum layer to provide an expansion component at even higher temperatures. Because of synergy between the expandable graphite and unexpanded vermiculite in accordance with some embodiments, less vermiculite can be included in the board than in conventional board that contained vermiculite. The board desirably can pass one or more fire-related tests, and is a fire-rated board in some embodiments.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
A floor-ceiling assembly is provided for joined upper and lower modular construction units, including a floor surface of the upper unit using structural cement panels; a floor grid including at least one floor joist and at least one beam each having an upper surface receiving said structural cement panels, a web and a lower surface. At least one connector plate is secured to the lower surface. A ceiling framework of the lower unit has at least one ceiling beam and at least one ceiling joist secured to each other, at least one of the beams is secured to the at least one connector plate. A resilient channel is secured to an underside of the ceiling framework, and a ceiling panel is secured to the resilient channel.
E04B 1/348 - Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
100.
METHODS FOR MAKING A LIGHTWEIGHT GYPSUM COMPOSITION WITH INTERNALLY GENERATED FOAM AND PRODUCTS MADE FROM SAME
A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.
C04B 38/02 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
patents
