Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1985-09-10
1987-01-13
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
1375195, 1376142, F16K 1500
Patent
active
046356800
ABSTRACT:
This invention relates to a safety gas flow regulator and in particular to one having a body portion formed with a first seat and a second seat, a safety valve engaged with the second seat, a tubular member having two holes being designed so that their center lines intersect each other at a point, a ball disposed in the tubular member, an exhaust mechanism engaged with the first seat, a plunger rod extending downwardly through the exhaust mechanism, a turning knob located on top of the exhaust mechanism, and a cap threadedly engaged with a neck of the turning knob and the top end of the plunger rod.
REFERENCES:
patent: 3407827 (1968-10-01), Follett
patent: 3981328 (1976-09-01), Yonezawa
patent: 4257448 (1981-03-01), Shiu et al.
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