B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
280/231
B60R 21/16 (2006.01)
Patent
CA 1337207
An impact absorbing bag consisting of a seamless tubular woven fabric constituted with a central zone, having substantially a circular shape and formed by a non-connecting portion B2 of a tubular weave structure B, and a circumferential zone, having a ring-like shape and formed by a connecting portion B1 of the tubular weave structure B or by the connecting portion B1 and a non-tubular weave structure A, wherein the transition between the non-tubular weave A structure and the tubular weave structure B is continuous; at least on portion of a surface of the seamless tubular woven fabric being provided with a polymer covering layer; a gas introducing hole being provided in the non-connecting portion B2 of the tubular weave structure B at one side of the seamless tubular woven fabric. Also, a method for manufacturing an impact absorbing bag, consisting of a step of obtaining a continuous body of a seamless tubular woven fabric by repeating a tubular weave structure B in which a plurality of warp threads are woven with a plurality of weft threads in a manner that the more the weft picking operation is repeated, first, the shorter the length in the widthwise direction of a connecting portion B1 and, then, the longer the length in the widthwise direction of the connecting portion B1, so that a non-connecting portion B2 having a substantially circular shape is formed, or by alternately repeating the tubular weave structure B and a non-tubular weave structure A, a step of forming a polymer layer on at least a portion of a surface of the obtained continuous body or a segment cut from the continuous body in a circular shape to give the above seamless tubular woven fabric, and a step of providing the gas introducing hole, the order of the above steps being arbitrarily selectable.
585682
Airbags International Ltd.
Goudreau Gage Dubuc
Kitamura Atsushi
LandOfFree
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