Block-resistant gypsum board

Details Block-resistant gypsum board Block-resistant gypsum board

1976-02-12

1977-11-08

Herbert, Jr., Thomas J.

Coating processes

Application to opposite sides of sheet, web, or strip

156 40, 156 44, 156 45, 427407D, 427411, 427429, 428 70, 428203, 428538, B05D 500, B05D 700, B32B 3112, B32B 3114

Patent

active

040576620

ABSTRACT:
A predecorated printed paper on the gypsum wallboard with a clear washable coating over the printed paper, and having a thin coating of polyethylene emulsion on the back paper which overcomes the tendency of the coated predecorated paper to stick to the back paper of an adjacent board when the boards are piled in stacks for storage and shipment.

REFERENCES:
patent: 1556164 (1925-10-01), Schumacher
patent: 3007808 (1961-11-01), Smith
patent: 3055768 (1962-09-01), Lassiter
patent: 3068118 (1962-12-01), Biskup et al.
patent: 3218225 (1965-11-01), Petropoulos
patent: 3350257 (1967-10-01), Hourigan et al.
patent: 3402062 (1968-09-01), Mohan
patent: 3927245 (1975-12-01), Roth et al.

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