Sewing – Products – Sewn web or sheet
Patent
1990-12-17
1992-12-29
Cannon, James C.
Sewing
Products
Sewn web or sheet
28112, 112441, 1122621, 210679, 210681, 210688, 210807, 2105021, 210507, 210911, 405 16, 405 38, 405 53, 405270, 428102, 428192, 428234, 428235, 428241, 428243, 428283, 428300, 428340, 428913, B32B 506, B32B 516, B32B 526, B32B 708, B32B 3116
Patent
active
051742314
ABSTRACT:
A multi-layer article of manufacture includes an intermediate layer of a water-swellable colloidal clay, such as bentonite, sandwiched between two layers of flexible sheet or fabric material wherein the two flexible layers of sheet or fabric material are structurally interconnected through the intermediate clay layer, such as by needle punching, after lubrication of the clay with a liquid, such as water, to interconnect fibers of one fabric layer to the other fabric layer at spaced locations over essentially the entire inner surface areas of both sheet or fabric material layers.
REFERENCES:
patent: 3608166 (1971-09-01), Gruget
patent: 3719546 (1973-03-01), Parlin
patent: 4113535 (1978-09-01), Lefkowitz et al.
patent: 4847140 (1989-07-01), Jaskowski
American Colloid Company
Cannon James C.
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