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Respiratory mask facial seal

  • US 5,884,624 A
  • Filed: 04/03/1997
  • Issued: 03/23/1999
  • Est. Priority Date: 09/08/1995
  • Status: Expired due to Term
First Claim
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1. A facial seal comprising:

  • a seal portion operatively coupled to said mask body for sealing engagement with a face of a human user, said seal portion having a recoil characteristic substantially corresponding to that of human fat tissue, and including a property of recoiling back to substantially its original shape when not stressed.

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