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Resilient airbag method and apparatus

  • US 6,273,465 B1
  • Filed: 09/24/1999
  • Issued: 08/14/2001
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Fees
First Claim
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1. The method of preventing collapse of a vehicle roof in a vehicular accident comprising:

  • placing an inflatable airbag having a high pressure pop off valve within a space between the roof and a ceiling of a vehicle having a roof and a ceiling joined around their perimeters to create said space;

    prestressing said roof and ceiling by inflating the inflatable airbag prior to any vehicular accident occurring such that the prestressed roof and ceiling prevent collapse of the roof in a vehicular accident.

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