Airbag and method for manufacturing a fabric for an airbag
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United States of America Patent
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Jul 21, 2015
Grant Date -
Sep 10, 2009
app pub date -
Dec 21, 2006
filing date -
Dec 21, 2005
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Abstract
Method for manufacturing a woven fabric for an airbag for passenger restraint systems for motor vehicles, characterized via the steps of preparing a group of warp yarns composed of warp yarns (24, 26) of different yarn qualities, having first warp yarns (24) and having second warp yarns (26) which are arranged in selected regions (ZK) of the group of warp yarns and are made of hybrid yarn which has first filaments (61) and second filaments (62), weaving the fabric with at least one weft yarn quality, and thermal, mechanical or chemical treatment of the fabric in such a way that the second filaments lose their filament structure, become an amorphous mass and connect the first filaments to one another.
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