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Vented ring and method of manufacturing the same

  • US 10,383,412 B2
  • Filed: 03/26/2018
  • Issued: 08/20/2019
  • Est. Priority Date: 10/27/2015
  • Status: Active Grant
First Claim
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1. A vented ring comprising:

  • a flexible outer ring portion;

    a flexible inner ring portion; and

    an anti-stretch element positioned between the outer ring portion and the inner ring portion, the anti-stretch element having increased rigidity relative to the inner and outer ring portions;

    wherein the inner ring portion includes lateral grooves connected to inner longitudinal grooves, the connected lateral grooves and inner longitudinal grooves forming at least one fluid conduit from a first side of the vented ring to a second side of the vented ring.

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