Stock material or miscellaneous articles – Sheet including cover or casing – Encased layer derived from inorganic settable ingredient
Patent
1982-03-08
1983-07-19
McCamish, Marion
Stock material or miscellaneous articles
Sheet including cover or casing
Encased layer derived from inorganic settable ingredient
428 76, 428212, 428218, 428284, 428285, 428286, 428287, 428288, 428703, B32B 104, B32B 3118
Patent
active
043944116
ABSTRACT:
Structural panel of gypsum and an envelope, partly impressed therein, of a bonded mineral and/or fiberglass fabric which has on the inside facing the gypsum larger pores than on the outside, the fabric containing at least two kinds of fibers which are cemented together by a bonding agent, where the fibers with the larger diameter are arranged on the inside and the bonding agent contains 30 to 85 percent by weight aluminum, iron and/or silicon hydroxide.
REFERENCES:
patent: 3964944 (1976-06-01), Gwynne
Krull Manfred
Lobert Udo
Stamm Dieter
Veeser Klaus
Firma Carl Freudenberg
McCamish Marion
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