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Reduced area gaskets

  • US 20030080518A1
  • Filed: 10/30/2001
  • Published: 05/01/2003
  • Est. Priority Date: 10/30/2001
  • Status: Active Grant
First Claim
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1. A gasket for sealing a joint between a pair of pipe flanges, each flange having an inside perimeter, an outside perimeter and a plurality of apertures in the flanges adapted to receive fasteners, the gasket consisting essentially of:

  • a carrier disk having an inside perimeter, outside perimeter and apertures substantially corresponding to the pair of pipe flanges;

    first sealing rings mounted onto each side of the carrier disk and substantially adjacent the inside perimeter, the first sealing rings having a first thickness;

    second rings mounted onto each side of the carrier disk and outside the ring defined by the apertures, the second rings having a second thickness; and

    wherein the first sealing rings are a least as thick as the second rings.

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