Unbalanced twill weave fabric and airbag device
AssigneePrecision Fabrics Group, Inc.
InventorsOtis Bryce Rose, III, Ronald J. Small, Wilford Allen Leonard, Jr.
Life of this patent
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Abstract
The present invention relates to an unbalanced twill weave fabric having fill yarns at least about three times larger than the warp yarns. Such a fabric thus has increased strength provided by the fill direction. The present invention further relates to an airbag restraint device for vehicles, where the airbag is constructed of the unbalanced twill weave fabric and has the fill yarns oriented substantially parallel to the longest direction of the airbag.
Claims10
A woven fabric for an inflatable restraint device formed of warp yams and fill yams, wherein the fill yams have a denier of four to about 40 times larger than the denier of the warp yams, wherein each warp yam running in a machine direction in said fabric passes in a repeating pattern over two to six fill yams before passing under fill yarn and wherein the ratio of the strength of the fabric in the fill direction to the strength of the fabric in the warp direction is a about 2:1.
Dependencies are inferred from the claim text.