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Element

  • US 10,689,940 B2
  • Filed: 04/17/2018
  • Issued: 06/23/2020
  • Est. Priority Date: 04/17/2018
  • Status: Active Grant
First Claim
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1. A seal comprising:

  • an element having a frustoconical inside surface extending from one axial end of the element to the other axial end of the element, an outside surface of the element, a lip at a leading end of the element and a ramp extending from the lip to the outside surface;

    an undercut in the element extending through the frustoconical inside surface of the element radially outwardly into the element, the frustoconical surface continuing on both axial ends of the undercut at least partially longitudinally overlapping the ramp; and

    a pathway intersecting the undercut and extending from the undercut to an outermost surface of the element, the pathway fluidly connecting the outermost surface of the element to the undercut prior to setting of the seal.

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