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Gasketless connecting adapter

  • US 6,044,842 A
  • Filed: 05/19/1998
  • Issued: 04/04/2000
  • Est. Priority Date: 05/19/1997
  • Status: Expired due to Term
First Claim
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1. A gasketless filter adapter for airtight joining of a first filter to a second filter, said gasketless filter adapter comprising:

  • a flexible substantially air impermeable cover element being adapted to seal at a first face surface thereof over a face of a first filter;

    a second face surface having a central aperture therein;

    a fastener operatively associated with said central aperture for mating with and securing thereto the second filter such that air passes through the second filter into the first filter;

    the second face surface being adapted to sealingly engage the second filter.

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