Leakproof dual action fluid transfer valve
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United States of America Patent
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-
Aug 20, 1996
Grant Date -
N/A
app pub date -
Feb 7, 1995
filing date -
Feb 7, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A leakproof dual action valve which is operated by its relative state of engagement and disengagement to a complementary, mating spring-actuated valve connected to a fluid supply. The dual action valve has a sleeve member, a piston carrier portion, a piston body, and a valve. As the sleeve member of the dual action valve is screwed onto the mating spring actuated valve, the piston body simultaneously pushes open both the dual action valve and the spring actuated valve. When the sleeve member is unscrewed from the mating spring actuated valve, both valves close, thereby preventing and leakage of fluid. The dual action valve is adapted to connect to a vacuum hose, which will evacuate any fluid from the fluid supply.
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