GB1561232A - Lightweight plasterboard with fibrous covering and method of producing same - Google Patents
Lightweight plasterboard with fibrous covering and method of producing same Download PDFInfo
- Publication number
- GB1561232A GB1561232A GB26614/77A GB2661477A GB1561232A GB 1561232 A GB1561232 A GB 1561232A GB 26614/77 A GB26614/77 A GB 26614/77A GB 2661477 A GB2661477 A GB 2661477A GB 1561232 A GB1561232 A GB 1561232A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plasterboard
- sheet
- slurry
- lightweight
- plaster
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 24
- 239000011505 plaster Substances 0.000 claims description 59
- 239000002002 slurry Substances 0.000 claims description 59
- 239000004744 fabric Substances 0.000 claims description 33
- 239000010440 gypsum Substances 0.000 claims description 28
- 229910052602 gypsum Inorganic materials 0.000 claims description 28
- 239000003365 glass fiber Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 229920000728 polyester Polymers 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000002657 fibrous material Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 7
- 229920002994 synthetic fiber Polymers 0.000 claims description 7
- 239000012209 synthetic fiber Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000009863 impact test Methods 0.000 claims description 5
- 230000002045 lasting effect Effects 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 229920003169 water-soluble polymer Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920002301 cellulose acetate Polymers 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920002972 Acrylic fiber Polymers 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 235000010981 methylcellulose Nutrition 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000010455 vermiculite Substances 0.000 claims description 2
- 235000019354 vermiculite Nutrition 0.000 claims description 2
- 229910052902 vermiculite Inorganic materials 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 2
- 230000035939 shock Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229910004725 CaSiF6 Inorganic materials 0.000 description 1
- 229910020440 K2SiF6 Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical group O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/043—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—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 E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0223—Vinyl resin fibres
- B32B2262/0238—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/18—Plaster
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Finishing Walls (AREA)
- Panels For Use In Building Construction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7449076A JPS531220A (en) | 1976-06-25 | 1976-06-25 | Lighttweight plaster board coated with woven fabric or nonwoven fabric and production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1561232A true GB1561232A (en) | 1980-02-13 |
Family
ID=13548777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26614/77A Expired GB1561232A (en) | 1976-06-25 | 1977-06-24 | Lightweight plasterboard with fibrous covering and method of producing same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS531220A (enExample) |
| DE (1) | DE2728581A1 (enExample) |
| FR (1) | FR2355971A1 (enExample) |
| GB (1) | GB1561232A (enExample) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188271A (en) * | 1986-02-20 | 1987-09-30 | United States Gypsum Co | Cementitious board having fibre mesh reinforced edges |
| GB2225599A (en) * | 1988-11-03 | 1990-06-06 | Bpb Industries Plc | Cementitious Board |
| US6187409B1 (en) | 1997-09-12 | 2001-02-13 | National Gypsum Company | Cementitious panel with reinforced edges |
| US6391131B1 (en) * | 1997-05-29 | 2002-05-21 | Clark-Schwebel Tech-Fab Company | Method of making glass fiber facing sheet |
| WO2003106163A1 (en) * | 2002-06-14 | 2003-12-24 | E.I. Du Pont De Nemours And Company | Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance |
| WO2004025045A1 (en) * | 2002-09-09 | 2004-03-25 | Lafarge Platres | Wallboard comprising an improved multi-layer facing material and a method for making the same |
| US7744994B2 (en) | 2004-03-30 | 2010-06-29 | Coveright Surfaces Holding Gmbh | Coating composition, coated article and a method to manufacture the same |
| US9802866B2 (en) | 2005-06-09 | 2017-10-31 | United States Gypsum Company | Light weight gypsum board |
| US9840066B2 (en) | 2005-06-09 | 2017-12-12 | United States Gypsum Company | Light weight gypsum board |
| EP2781492B1 (en) | 2011-02-25 | 2019-07-24 | United States Gypsum Company | Method for lightweight, reduced density fire rated gypsum panels |
| US10399899B2 (en) | 2012-10-23 | 2019-09-03 | United States Gypsum Company | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto |
| US10407344B2 (en) | 2015-10-01 | 2019-09-10 | United States Gypsum Company | Foam modifiers for gypsum slurries, methods, and products |
| US10421250B2 (en) | 2015-06-24 | 2019-09-24 | United States Gypsum Company | Composite gypsum board and methods related thereto |
| US10464847B2 (en) | 2012-10-23 | 2019-11-05 | United States Gypsum Company | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto |
| US10662112B2 (en) | 2015-10-01 | 2020-05-26 | United States Gypsum Company | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries |
| US10875935B2 (en) | 2012-10-23 | 2020-12-29 | United States Gypsum Company | Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products |
| US11225046B2 (en) | 2016-09-08 | 2022-01-18 | United States Gypsum Company | Gypsum board with perforated cover sheet and system and method for manufacturing same |
| US11306028B2 (en) | 2005-06-09 | 2022-04-19 | United States Gypsum Company | Light weight gypsum board |
| US11338548B2 (en) | 2005-06-09 | 2022-05-24 | United States Gypsum Company | Light weight gypsum board |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2718322A1 (de) * | 1977-04-25 | 1978-10-26 | Hoechst Ag | Gipskartonplatten |
| DE3021519A1 (de) * | 1980-06-07 | 1982-01-07 | Schloemann-Siemag AG, 4000 Düsseldorf | Anordnung eines fahrantriebes an einem schmiedemanipulator |
| DE3113682A1 (de) * | 1981-04-04 | 1982-10-28 | Fa. Carl Freudenberg, 6940 Weinheim | Bauplatte aus gips und verfahren zu deren herstellung |
| CA1191545A (en) * | 1981-10-30 | 1985-08-06 | George R. Rusk | Power source circuit |
| DE3325669C2 (de) * | 1982-08-16 | 1986-05-28 | Armstrong World Industries, Inc., Lancaster, Pa. | Verfahren und Vorrichtung zur kontinuierlichen Herstellung einer Faservliesbahn |
| DE4011793C1 (enExample) * | 1990-04-12 | 1991-12-12 | Redco N.V., Kapelle-Op-Den-Bos, Be | |
| DE4122964C2 (de) * | 1991-07-11 | 1993-12-09 | Leif Thomsen | Feuerwiderstandsfähige Platte |
| AT399682B (de) * | 1992-09-29 | 1995-06-26 | Schuetz Peter Dipl Ing Dr | Verfahren zur herstellung von grossflächigen gewebearmierten, dünnen gipsplatten |
| ITAN20130147A1 (it) * | 2013-08-07 | 2015-02-08 | Kubedesign S R L | Pannello modulare in cartone per realizzare pareti divisorie. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4911055B1 (enExample) * | 1970-10-12 | 1974-03-14 | ||
| JPS4921414A (enExample) * | 1972-06-20 | 1974-02-25 |
-
1976
- 1976-06-25 JP JP7449076A patent/JPS531220A/ja active Pending
-
1977
- 1977-06-23 FR FR7719330A patent/FR2355971A1/fr active Granted
- 1977-06-24 GB GB26614/77A patent/GB1561232A/en not_active Expired
- 1977-06-24 DE DE19772728581 patent/DE2728581A1/de not_active Ceased
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188271A (en) * | 1986-02-20 | 1987-09-30 | United States Gypsum Co | Cementitious board having fibre mesh reinforced edges |
| GB2188271B (en) * | 1986-02-20 | 1989-11-29 | United States Gypsum Co | Board having reinforced edges |
| GB2225599A (en) * | 1988-11-03 | 1990-06-06 | Bpb Industries Plc | Cementitious Board |
| US6391131B1 (en) * | 1997-05-29 | 2002-05-21 | Clark-Schwebel Tech-Fab Company | Method of making glass fiber facing sheet |
| US6187409B1 (en) | 1997-09-12 | 2001-02-13 | National Gypsum Company | Cementitious panel with reinforced edges |
| US6488792B2 (en) | 1997-09-12 | 2002-12-03 | National Gypsum Properties | Method and apparatus for manufacturing cementitious panel with reinforced longitudinal edge |
| WO2003106163A1 (en) * | 2002-06-14 | 2003-12-24 | E.I. Du Pont De Nemours And Company | Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance |
| US6800361B2 (en) | 2002-06-14 | 2004-10-05 | E. I. Du Pont De Nemours And Company | Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance |
| WO2004025045A1 (en) * | 2002-09-09 | 2004-03-25 | Lafarge Platres | Wallboard comprising an improved multi-layer facing material and a method for making the same |
| US7744994B2 (en) | 2004-03-30 | 2010-06-29 | Coveright Surfaces Holding Gmbh | Coating composition, coated article and a method to manufacture the same |
| US10406779B2 (en) | 2005-06-09 | 2019-09-10 | United States Gypsum Company | Light weight gypsum board |
| US9840066B2 (en) | 2005-06-09 | 2017-12-12 | United States Gypsum Company | Light weight gypsum board |
| US11884040B2 (en) | 2005-06-09 | 2024-01-30 | United States Gypsum Company | Light weight gypsum board |
| US10407345B2 (en) | 2005-06-09 | 2019-09-10 | United States Gypsum Company | Light weight gypsum board |
| US11338548B2 (en) | 2005-06-09 | 2022-05-24 | United States Gypsum Company | Light weight gypsum board |
| US9802866B2 (en) | 2005-06-09 | 2017-10-31 | United States Gypsum Company | Light weight gypsum board |
| US11306028B2 (en) | 2005-06-09 | 2022-04-19 | United States Gypsum Company | Light weight gypsum board |
| EP2781492B1 (en) | 2011-02-25 | 2019-07-24 | United States Gypsum Company | Method for lightweight, reduced density fire rated gypsum panels |
| US10875935B2 (en) | 2012-10-23 | 2020-12-29 | United States Gypsum Company | Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products |
| US11135818B2 (en) | 2012-10-23 | 2021-10-05 | United States Gypsum Company | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto |
| US11168030B2 (en) | 2012-10-23 | 2021-11-09 | United States Gypsum Company | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto |
| US10399899B2 (en) | 2012-10-23 | 2019-09-03 | United States Gypsum Company | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto |
| US10464847B2 (en) | 2012-10-23 | 2019-11-05 | United States Gypsum Company | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto |
| US10421250B2 (en) | 2015-06-24 | 2019-09-24 | United States Gypsum Company | Composite gypsum board and methods related thereto |
| US12090744B2 (en) | 2015-06-24 | 2024-09-17 | United States Gypsum Company | Composite gypsum board and methods related thereto |
| US10421251B2 (en) | 2015-06-24 | 2019-09-24 | United States Gypsum Company | Composite gypsum board and methods related thereto |
| US11040513B2 (en) | 2015-06-24 | 2021-06-22 | United States Gypsum Company | Composite gypsum board and methods related thereto |
| US10407344B2 (en) | 2015-10-01 | 2019-09-10 | United States Gypsum Company | Foam modifiers for gypsum slurries, methods, and products |
| US11267759B2 (en) | 2015-10-01 | 2022-03-08 | United States Gypsum Company | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries |
| US10662112B2 (en) | 2015-10-01 | 2020-05-26 | United States Gypsum Company | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries |
| US12162803B2 (en) | 2015-10-01 | 2024-12-10 | United States Gypsum Company | Foam modifiers for gypsum slurries, methods, and products |
| US11225046B2 (en) | 2016-09-08 | 2022-01-18 | United States Gypsum Company | Gypsum board with perforated cover sheet and system and method for manufacturing same |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2355971B1 (enExample) | 1983-01-21 |
| AU2629377A (en) | 1978-09-21 |
| DE2728581A1 (de) | 1978-01-05 |
| FR2355971A1 (fr) | 1978-01-20 |
| JPS531220A (en) | 1978-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |