Air bag
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United States of America Patent
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-
Feb 2, 1999
Grant Date -
N/A
app pub date -
Jul 29, 1996
filing date -
Jan 28, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An uncoated hollow weave air bag composed of a hollow weave fabric in which the circumferential periphery of the hollow part shaping the bag body is joined by a band of one layer bind weave, the hollow weave air bag satisfying the condition ?1! -?3! below: ?1! the weave constituting cloth A forming the hollow part of the bag body is a plain weave and the cover factor of cloth A being 2000.ltoreq.K.ltoreq.2300, ?2! the weave constituting cloth B which is the other cloth forming said hollow part, and the ratio of gas permeability at a pressure of 19.6 kpa for cloth B (qB) to that of cloth A (qA), qB/qA satisfies a relation 1.ltoreq.qB/qA.ltoreq.2.2, ?5! an opening (6) for attachment of the gas generator is provided in part of cloth B. The air bag of the present invention can be produced in a simplified manufacturing process and is light weight, less bulky and excellent in its safe inflation characteristics.
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