Base cloth for air bag
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United States of America Patent
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Aug 5, 2003
Grant Date -
N/A
app pub date -
Feb 1, 2002
filing date -
Aug 2, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A woven fabric for an air bag formed of a polyamide fiber and having a single filament size of 0.5 to 4.5 dtex and a yarn size of 67 to 250 dtex for its warp and weft, the polyamide fiber containing 1 to 200 ppm of copper as a copper compound; the woven fabric having a product of yarn size of the fiber and weave density of not greater than 20,000, the woven fabric having at least 0.8 wt % of an oiling agent, the oiling agent being applied to the yarn prior to weaving, a Metsuke of 250 g/m.sup.2, a thickness of not greater than 0.30 mm, a mean bending rigidity (B) of 0.5 to 5 mN.multidot.cm.sup.2, and self-extinguishing properties; and a lightweight air bag produced by the woven fabric that can be compactly folded but hard to unfold to a loosely folded state, yet can smoothly deploy into a designed shape at the time of inflation.
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