Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Patent
1995-06-07
1999-08-31
Copenheaver, Blaine R.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
5230917, 106772, 106773, 106774, 106780, 428703, 428920, 428921, B32B 1302, C04B 1106
Patent
active
059452080
ABSTRACT:
Fiberboards are provided containing at least about 65 wt. % calcium sulfate dihydrate derived from hemihydrate or anhydrous gypsum, and at least about 7 wt. % pulped paper fibers. The boards are capable of being formed into structural members having superior mechanical properties and/or fire resistance, including screw-holding capacities in excess of 650 lbs.
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Fowler George F.
Francis Hubert C.
Richards Turner W.
Copenheaver Blaine R.
G-P Gypsum Corporation
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