Stock material or miscellaneous articles – Pile or nap type surface or component
Patent
1997-11-25
1999-11-09
Bell, James J.
Stock material or miscellaneous articles
Pile or nap type surface or component
156 82, 4283171, 4283175, 442 30, 442 56, 442221, 442223, 442315, 442370, B32B 302
Patent
active
059810203
ABSTRACT:
The present invention includes a foam flame bonded fabric laminate that is wind-resistant, breathable, and supple along with a low cost process for producing it. The apparatus of the present invention comprises a foam bonding agent layered between fabrics or other materials where the foam possesses wind-resistant and breathable characteristics independent of the other layers. The process of the present invention involves two-step foam flame bonding with each step accomplished in a separate pass through a laminating device. In one embodiment, the first step includes lightly exposing a thin polymer foam (such as polyester polyurethane or polyether polyurethane) to a flame without preheating, then pressing it against the inner face of mesh or tricot. The second step includes more vigorously exposing the foam face of the foam-mesh or foam-tricot laminate to a flame, then pressing it against the inner face of a berber, pile, or fleece fabric. The foam cells exposed to the flame collapse to a tiny-pored membrane state rendering the foam laminate 80-90% wind-resistant yet more breathable than conventional three-ply film laminates.
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patent: 5593754 (1997-01-01), Blauer et al.
Sutherland Derek A.
Willard William F.
Bell James J.
Harrison Technologies Inc.
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