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TEAR STITCHING FOR INFLATABLE VEHICLE OCCUPANT PROTECTION DEVICES

  • US 20110140401A1
  • Filed: 02/23/2011
  • Published: 06/16/2011
  • Est. Priority Date: 06/21/2007
  • Status: Active Grant
First Claim
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1. Tear stitching for interconnecting portions of an inflatable vehicle occupant protection device, the tear stitching comprising:

  • a first end portion;

    a second end portion; and

    a central portion that extends between the end portions, the central portion comprising first and second leg portions that converge at an angle and intersect a break point;

    the first end portion extending from the first, leg portion along a path that diverges from the path of the first leg portion;

    the second end portion extending from the second leg portion along a path that diverges from the path of the second leg portion;

    the tear stitching exhibiting a comparatively high rupture strength in response to tension forces applied to the interconnected portions that act on the end portions of the tear stitching;

    the tear stitching exhibiting a comparatively low rupture strength in response to tension forces applied to the interconnected portions that act on the break point of the tear stitching.

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