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특허 상세정보

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Sag-resistant gypsum board containing coal fly ash and method for making same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B32B-001/04    B32B-005/18    B32B-013/04    B32B-031/00   
미국특허분류(USC) 428/70 ; 156/39 ; 428/71 ; 428/3124
출원번호 US-0129870 (1980-03-13)
우선권정보 CA-0343439 (1980-10-01)
발명자 / 주소
  • Bruce Robert B. (Burlington CAX) Kuntze Richard A. (Mississauga CAX)
출원인 / 주소
  • United States Gypsum Company (Chicago IL 02)
인용정보 피인용 횟수 : 45  인용 특허 : 5
초록

A gypsum board consisting essentially of a monolithic cellular core of set gypsum and a fiberous cover sheet encasement provided with improved properties by the gypsum core having incorporated therein coal fly ash in an amount of about 1-20% by weight of stucco in the gypsum slurry used in forming the board and method of producing the board are disclosed.

대표
청구항

A sag resistant gypsum board consisting essentially of a monolithic cellular core of set gypsum solids from an aqueous stucco slurry and having a fibrous cover sheet encasement, with the gypsum core having incorporated therein a small amount of coal fly ash included in the slurry, the fly ash having a particle size ranging between about 0.5 and 200 microns and a BET surface area ranging between about 0.1 and 10 square meters per gram.

이 특허에 인용된 특허 (5)

  1. Phillips Harold L. (Cochita Lake NM), Lightweight gypsum products and methods of making same.
  2. Kurz, Fredrik Wilhelm Anton, Method for strengthening vitreous products and composition boards.
  3. Hulbert ; Jr. Clarence E. (928 N. York Muskogee OK 74401) Fan Liang-Tseng (Manhattan KS) Akinc Mufit (Manhattan KS), Method of making concrete from fly ash.
  4. Clay Edward L. (9113 Park Lenexa KS 66215) Baker Jerry L. (Kansas City MO), Natural sandwich of filled polyurethane foam.
  5. Lankard ; David R. ; Hedden ; Walter A., Plaster molding composition.

이 특허를 인용한 특허 (45)

  1. Song, W. David; Englert, Mark H.; Yu, Qiang; Brown, Martin W.; Stevens, Richard B., Acoustical gypsum board panel and method of making it.
  2. Naji,Basil; O'Chee,Milton, Additive for dewaterable slurry and slurry incorporating same.
  3. Morse, Rick James; Shaw, Robert D.; Jacobs, Gregory F., Building panel having a foam backed fiber cement substrate.
  4. Bruce, Robert Byron; Flumiani, Mark Richard; Blow, Charles E., Calcium sulfate hemihydrate treatment process.
  5. Liu, Qingxia; Shake, Michael P.; Yu, Qiang, Cementitious article and method for preparing the same.
  6. Price, Charles E., Cementitious compositions and methods of making and using.
  7. Bezubic, Jr., William Paul, Cementitious exterior sheathing product having improved interlaminar bond strength.
  8. Bezubic, Jr., William Paul, Cementitious exterior sheathing product having improved interlaminar bond strength.
  9. Bezubic, Jr.,William Paul; Brown, Jr.,Claude, Cementitious exterior sheathing product having improved interlaminar bond strength.
  10. Bezubic, Jr., William Paul, Cementitious exterior sheathing product with rigid support member.
  11. Bezubic, Jr.,William Paul, Cementitious exterior sheathing product with rigid support member.
  12. Stav Elisha,ILX ; Burkard Edward A. ; Finkelstein Ronald S. ; Winkowski Daniel A. ; Metz Lambert J. ; Mudd Patrick J., Cementitious gypsum-containing binders and compositions and materials made therefrom.
  13. Stav Elisha ; Burkard Edward A. ; Finkelstein Ronald S., Cementitious gypsum-containing compositions and materials made therefrom.
  14. Naji,Basil; O'Chee,Milton, Coatings for building products and dewatering aid for use with same.
  15. Naji, Basil; O'Chee, Milton, Coatings for building products and methods of making same.
  16. Naji, Basil; O'Chee, Milton, Coatings for building products and methods of using same.
  17. Lyons, David; Sukkar, Theresa, Composite cement article incorporating a powder coating and methods of making same.
  18. Naji, Basil; Cottier, John Sydney; Lyons, Robert, Composite product.
  19. Kuper Nina M. (2520 N. Gordon Ct. Milwaukee WI 53212) Kalnajs Janis I. (724 E. Wells Milwaukee WI 53202), Decorative tile.
  20. Kuper Nina M. (2520 N. Gordon Ct. Milwaukee WI 53212) Kalnajs Janis I. (724 E. Wells Milwaukee WI 53202), Decorative tile.
  21. Naji, Basil; Merkley, Donald J.; Zammit, Michael; Luo, Caidian, Durable medium-density fibre cement composite.
  22. Porter,John Frederick, Facing material with controlled porosity for construction boards.
  23. Porter,John Frederick, Facing material with controlled porosity for construction boards.
  24. Porter,John Frederick, Facing material with controlled porosity for construction boards.
  25. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  26. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  27. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  28. Gleeson, James A.; Paradis, Kalynne H.; Sloane, Brian P.; Melmeth, David L.; Seligman, Dean M., Fiber cement building materials with low density additives.
  29. Lehnert Charles W. (Stone Mountain GA) Randall Brian G. (Stone Mountain GA), Fibrous mat-faced gypsum board.
  30. Lehnert, Charles W.; Randall, Brian G., Finishing and roof deck systems containing fibrous mat-faced gypsum boards.
  31. Burkard Edward A. (East Amherst NY) Segada James J. (North Tonawanda NY), Fire-resistant gypsum board.
  32. Chiang, Jin-Chih; Chao, Yen-Yau H., Foamed gypsum compositions.
  33. Randall Brian G., Glass mat with reinforcing binder.
  34. Randall Brian G., Glass mat with reinforcing binder.
  35. Lehnert Charles W. ; Randall Brian G., Gypsum board and finishing system containing same.
  36. Cottier, John Sydney; Brunton, Greg; Lyons, Robert, Method and apparatus for forming a laminated sheet material by spattering.
  37. Porter, John Frederick, Methods of making smooth reinforced cementitious boards.
  38. Porter, John Frederick, Methods of making smooth reinforced cementitious boards.
  39. Gilbert, Thomas C.; Jacobs, Gregory F.; Beck, David H., Moisture diverting insulated siding panel.
  40. Price, Charles E., Packaging for particulate and granular materials.
  41. Cottier, John Sydney; Curran, Chris; Dow, Geoffry, Spattering apparatus.
  42. Cottier, John Sydney; Cowen, December Rose; Dunoyer, Remi; Duselis, Steven; Gleeson, James Albert; Kumar, Amitabha, Structural fiber cement building materials.
  43. Duselis, Steven Alfred; Gleeson, James; Kascelan, Tihomir; Lyons, David; O'Chee, Milton Terrence, Surface sealed reinforced building element.
  44. Nelson, Robert; Pauly, Christopher Mark; Whittington, Charles; Rowe, Andrew, System and method for manufacturing cementitious boards with on-line board measurement.
  45. Engbrecht, Dick C.; Liu, Qingxia; Shake, Michael P.; Wang, Xuming; Miller, David Paul; Bolind, Michael L.; Reed, Paul; Roelfs, Donald L.; Bury, Rafael, Water resistant cementitious article and method for preparing same.

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