Patent ID: 8118324
Filing Date: 2012-02-21
Classification: B60R,D03D

Abstract:
1. An inflatable airbag cushion having multiple fabric layers and closely spaced interconnected woven in joints that resist gas permeation, comprising: (a) a first woven fabric layer and a second woven fabric layer, said first and second woven fabric layers each having a plurality of yarns running in a first direction, a weft direction, and a plurality of yarns running in a second direction, a warp direction, (b) a first interconnected joint and a second interconnected joint, said first and second interconnected joints running generally parallel to each other, said first and second interconnected joints each forming a woven union of said first and second woven fabric layers along the length of said interconnected joints, the number of yarns positioned between said first and second interconnected joints being no more than four yarns in said first layer and no more than four yarns in said second layer; (c) at least some of said welt yarns comprising crossover yarns, crossover yarns of said first layer switching from a position within said first layer to a position within said second layer at said first interconnected joint, said crossover yarns further switching from a position within said second layer to a position within said first layer at said second interconnected joint; and (d) wherein said crossover yarns are substantially free of floats at said interconnected joints.