Title:
改良された耐衝撃性を有する石膏・ファイバボード
Document Type and Number:
Japanese Patent JP4456209
Kind Code:
B2
Abstract:
A gypsum/fiber board having improved impact resistance is produced by mixing predetermined amounts of fibers, calcined gypsum and water to form a mixture of wetted, loose fibers; laying out a reinforcing mesh (120) over the upper surface of a forming belt (4010); depositing said mixture on said mesh (120) to form a layer (102) of said mixture ; and compressing said mesh (120) together with said layer (102) of mixture to embed said mesh (120) in the lower surface of said layer (102) to form a board composed of bonded fibers and gypsum with said mesh (120) embedded in the surface thereof.
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Inventors:
Michael Earl Lynn
Frederick Tee Jones
Gregory J. Comier
Frederick Tee Jones
Gregory J. Comier
Application Number:
JP29139799A
Publication Date:
April 28, 2010
Filing Date:
September 07, 1999
Export Citation:
Assignee:
United States Gypsum Company
International Classes:
B28B1/52; C04B2/02; B28B23/00; B28B23/02; E04C2/04
Domestic Patent References:
| JP7097249A | ||||
| JP8042111A | ||||
| JP54117521A | ||||
| JP60226933A | ||||
| JP55162487A | ||||
| JP3012205U | ||||
| JP6198618A | ||||
| JP3120013A | ||||
| JP58219009A | ||||
| JP6505448A | ||||
| JP4501703A | ||||
| JP63502975A | ||||
| JP2000517388A |
Foreign References:
| WO1998009033A1 | ||||
| GB772581B | ||||
| US5477652 |
Attorney, Agent or Firm:
Yuichi Yamada
Yasuhito Suzuki
Yasuhito Suzuki