Valve made from two materials and writing utensil with retractable tip incorporating same
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United States of America Patent
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Dec 14, 2010
Issued Date -
N/A
app pub date -
Jan 18, 2007
filing date -
Jan 18, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve includes 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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