Stock material or miscellaneous articles – Perimeter or corner structure of sheet
Patent
1995-04-19
1997-06-03
Choi, Kathleen
Stock material or miscellaneous articles
Perimeter or corner structure of sheet
428102, 428104, 428115, 428192, 428373, B32B 302
Patent
active
056352700
ABSTRACT:
A woven fabric is formed from polypropylene fibers by simply weaving the fabric using polypropylene fibers in both the warp and weft directions. The edges are left frayed and could become unraveled. In order to prevent the fabric from fraying further, particularly during washing, binding fibers are incorporated at least in the weft direction, but only along the edges. The binding fibers are polyester fibers coated with a low-melting-point thermoplastic adhesive. The thermoplastic adhesive is one that melts at a temperature lower than the melting point of the polypropylene fibers. Once these are incorporated into the fabric at the loom, the fabric is placed in an oven and heated to a temperature above the melting point of the thermoplastic adhesive and below the melting point of the polypropylene fibers to cause the thermoplastic adhesive to melt, binding the polypropylene fibers together. The ends of the fabric can be bonded together by either stitching, by binding fibers incorporated along the weft direction, or by the natural holding characteristics of some yarns such as cotton.
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American Weavers, L.L.C.
Choi Kathleen
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