Paper covered gypsum board and process of manufacture

Stock material or miscellaneous articles – Composite – Of carbohydrate

Patent

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Details

52408, 156 39, 428537, 428538, B32B 1300, B32B 2900, B32B 3100

Patent

active

040202372

ABSTRACT:
A paper covered gypsum board and a process for its manufacture, with at least one cover of the board comprising a multiply paper sheet containing a major proportion of cellulosic fibers and a minor proportion of short mineral fibers.

REFERENCES:
patent: 2806811 (1957-09-01), Von Hazmburg
patent: 2962414 (1960-11-01), Arledter
patent: 3692620 (1972-09-01), Schmidt et al.

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