Multi-layer plasterboard

Details Multi-layer plasterboard Multi-layer plasterboard

1973-03-16

1976-11-23

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428228, 428251, 428268, 428285, 428299, 428317, 156 42, 156 71, B32B 702, B32B 1702

Patent

active

039938220

ABSTRACT:
A multi-layered gypsum board for construction purposes in which a mixture of gypsum, water and fibers provide the center or core of the board, and a composite coating of a fiberglass layer and a layer of fiberglass fleece covers one of the major surfaces of the core, with the fiberglass layer being embedded into the mixture and plaster favorably adhering to the outer surface of the fiberglass fleece layer. The other major surface of the core may be covered with a similar coating, or a layer, for example, of pasteboard.

REFERENCES:
patent: 2322771 (1943-06-01), Palm et al.
patent: 2806811 (1957-09-01), Von Hazmburg
patent: 2871134 (1959-01-01), Loechl
patent: 3185297 (1965-05-01), Rutledge
patent: 3350257 (1967-10-01), Hourigan et al.

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