Double weft/warp airbag fabric and related airbags and manufacturing methods
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United States of America Patent
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Aug 10, 2010
Grant Date -
Feb 21, 2008
app pub date -
Aug 21, 2006
filing date -
Aug 21, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A double yarn airbag fabric is disclosed, which may include an inflatable fabric portion, comprising multiple first yarns that form multiple sets of first yarns, and multiple second yarns. At least two sets of first yarns are alternately woven around at least two adjacent second yarns at each weave. The result of weaving are two opposing woven fabric layers formed from two pairs of the alternating second yarn sets, such that a space to be inflated is formed between the two opposing fabric layers. The two opposing fabric layers may be formed in a continuous weaving process. The fabric also includes a non-inflatable fabric portion by alternately weaving two pairs of alternating first yarn sets around two adjacent second yarns at each weave, to form a single, woven fabric layer. The multiple first yarns may include warp yarns and the multiple second yarns may include weft yarns, or vice versa.
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