Extrusion coated fabric
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United States of America Patent
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-
Jun 9, 1998
Grant Date -
N/A
app pub date -
Sep 29, 1995
filing date -
Sep 29, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for extrusion coating a nylon fabric or the like. The apparatus includes a supply roll for supplying a length of fabric having a top and bottom surface and a take-up roll for taking up the length of fabric. An extrusion coating head located between the supply roll and the take-up roll and perpendicular to the movement of the length of fabric applies a plastic coating onto one surface of the length of fabric. A combining roll located between the supply roll and the take-up roll and adjacent to the extrusion coating head joins the plastic coating to the one surface of the length of fabric. In the preferred embodiment, the combining roll is heated to provide improved adhesion of the plastic coating onto the surface of the length of fabric while, at the same time, a water mist prevents sticking. The resulting fabric has a tear strength of greater than about 50 pounds and a weight of less than about 5.5 oz. per sq. yd.
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