×

SLIP ON GROOVE COUPLING WITH MULTIPLE SEALING GASKET

  • US 20120280494A1
  • Filed: 07/20/2012
  • Published: 11/08/2012
  • Est. Priority Date: 06/30/2008
  • Status: Active Grant
First Claim
Patent Images

1. A coupling for joining a first pipe and a second pipe, comprising:

  • an upper housing;

    a lower housing;

    at least one fastening device coupling the upper housing to the lower housing; and

    a gasket positioned within the upper and lower housings, the gasket including two primary seals, each primary seal formed on an outer edge of the gasket, and at least two secondary seals, each secondary seal formed on a rib protruding from an inner surface of the gasket and between the two primary seals, the primary seals and the secondary seals slideable over the first pipe end such that at least a portion of the first pipe extends axially beyond each edge of the gasket.

View all claims
  • 22 Assignments
Timeline View
Assignment View
    ×
    ×