发明名称 |
Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board |
摘要 |
Glass mat-faced gypsum boards having a set core containing gypsum dihydrate and at least a minimum amount of chopped fibers, as well as other optional fire-resistant additives, are provided. The resulting boards obtain superior fire resistance properties over conventional paper-faced boards of like thickness which include a similar amount of chopped glass fibers.
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申请公布号 |
US5148645(A) |
申请公布日期 |
1992.09.22 |
申请号 |
US19910742219 |
申请日期 |
1991.08.06 |
申请人 |
GEORGIA-PACIFIC CORPORATION |
发明人 |
LEHNERT, CHARLES W.;RANDALL, BRIAN G.;FOWLER, JR., GEORGE F.;HINKEL, RAY W. |
分类号 |
B28B11/04;B28B19/00;B28B23/00;B32B13/14;E04C2/04;E04C2/284;E04C2/288;E04D11/02;E04D13/16;E04F17/00 |
主分类号 |
B28B11/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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