Stock material or miscellaneous articles – Sheet facing and longitudinally noncoextensive with web or...
Patent
1989-08-08
1990-08-14
McCamish, Marion C.
Stock material or miscellaneous articles
Sheet facing and longitudinally noncoextensive with web or...
28107, 428 78, 428190, 428281, 428282, 428283, 428284, 428285, 428286, 428300, B32B 314
Patent
active
049486497
ABSTRACT:
There is provided an integral textile composite which fabric comprises a substrate portion having at least one organic textile fiber layer and an insulating portion. The insulating portion has at least one inorganic fiber layer which is substantially co-extensive with the organic fiber layer, and at least one insulating layer of insulating material which is substantially less than co-extensive with the inorganic fiber layer. A plurality of first needled stitches composed of organic fibers from said organic fiber layer of said substrate portion are needled in and disposed at least substantially through the insulating portion, while the inorganic fibers of the inorganic fiber layer in the insulating portion are substantially undisturbed. The number of said stitches is sufficient that the insulating portion is substantially non-detachable from the substrate portion and the substrate portion is essentially free on its outer surface from inorganic fibers from the inorganic layer or insulating material from the insulating layer of the insulating portion.
REFERENCES:
patent: 4522876 (1985-06-01), Hiers
Burroughs Frank C.
Hiers John J.
Lydall, Inc.
McCamish Marion C.
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