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Valve Made From Two Materials and Writing Utensil With Retractable Tip Incorporating Same

  • US 20110084225A1
  • Filed: 12/14/2010
  • Published: 04/14/2011
  • Est. Priority Date: 01/18/2007
  • Status: Active Grant
First Claim
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1. A valve, comprising:

  • a first valve portion made from a first material, the first valve portion including a body, a door, and an inner hinge pivotably connecting the body to the door, the body including a first opening at a first end and a second opening at a second end opposite the first end, and a circumferential recess disposed in the second end, wherein the inner hinge pivotably connects the door to the body at the first end; and

    a second valve portion made from a second material, the second valve portion including an inner seal disposed in the circumferential recess, the inner seal including a circumferential ridge extending inwardly, the second valve portion further including a door seal disposed on the first end of the body.

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