Plaster board panels

Details Plaster board panels Plaster board panels

1978-04-20

1980-01-01

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

428296, 428535, 428537, 428538, 156 45, 156 39, 5230915, 428513, B32B 2302, B32B 2306, B32B 2702, B32B 906

Patent

active

041817672

ABSTRACT:
Plaster board panels wherein at least the top layer of one of the two cardboard sheets contains polyolefin fibrides can be easily dehydrated during their manufacture because of the porosity of the cardboard sheets. The finished panels have a substantially sealed surface of low porosity which is resistant to wet treatment and thus suitable for the application of various painting and coating systems.

REFERENCES:
patent: 2526125 (1950-10-01), Francis
patent: 3278365 (1966-10-01), Adams
patent: 3350257 (1967-10-01), Hourigan et al.
patent: 3616160 (1971-10-01), Wincklhofer et al.
patent: 3639195 (1972-02-01), Sanders
patent: 3806389 (1974-04-01), Gwynne
patent: 4057662 (1977-11-01), Johnson et al.

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