Tamper-proof gas pin valve
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United States of America Patent
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-
Jan 3, 2006
Grant Date -
Sep 23, 2004
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pin valve assembly includes a spring biasing a piston against a seal to seal an opening of a gas cylinder. The spring compresses a length determined by a distance between the insert and the plunger. The insert is pressed into an opening opposite the plunger and held in place by at least one barb extending inward from an inner diameter of a body of the insert. The insert includes an opening to allow communication of gas pressure to a rear portion of the piston. The inner diameter of the pin valve assembly includes at least one barb to secure and prevent removal of the insert.
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