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Valve device for a medium and airbag for a motor vehicle

  • US 8,864,169 B2
  • Filed: 01/27/2011
  • Issued: 10/21/2014
  • Est. Priority Date: 02/13/2010
  • Status: Active Grant
First Claim
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1. A valve device for a gaseous medium of an airbag, the valve device comprising:

  • a woven fabric textile layer, at least certain regions of which are permeable with respect to the medium; and

    at least one film that covers the textile layer in at least one region and which forms at least one passage region of the valve device, the at least one passage region is configured so that it is at least substantially closed in a closed position of the valve device and open at least in certain regions in a temporary passage position of the valve device,wherein the at least one passage region is configured as at least one through-opening of the film,wherein the at least one through-opening of the film is a perforation, andwherein the perforation has, at least in certain regions, a projection pointing away from the textile layer in an edge region of the through-opening.

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