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Inflatable sealing device

  • US 6,485,029 B1
  • Filed: 10/11/2000
  • Issued: 11/26/2002
  • Est. Priority Date: 10/11/2000
  • Status: Expired due to Fees
First Claim
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1. An inflatable sealing device for use with a door covering an opening through a structure, said inflatable sealing device comprising:

  • a seal retainer having a first piece removably disposed onto a second piece and positioned around said opening through said structure, said seal retainer defining a retainer cavity and a slot extending from said retainer cavity toward said opening; and

    an inflatable seal positioned within said retainer cavity, said inflatable seal including a seal periphery defining a seal cavity and including a seal tip extending from said seal periphery and into said slot, said inflatable seal having a deflated state wherein said seal tip is retracted in said slot and an inflated state wherein said seal tip is extended and wherein said seal periphery of said inflatable seal has an elliptical cross-section in said deflated state.

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