Valve for puncturing and releasing gas from a pressurized cylind

Details Valve for puncturing and releasing gas from a pressurized cylind Valve for puncturing and releasing gas from a pressurized cylind

1987-02-10

1989-02-21

Rolla, Joseph J.

Dispensing

Gas or vapor dispensing

With cutter or punch

222 83, 441 93, B67B 764

Patent

active

048058025

ABSTRACT:
A valve mechanism for opening the seal on a high pressure gas cylinder, e.g., a cylinder having an internal pressure on the order of 6,000 psi, is provided. The valve includes a piston assembly which carries a cutter for puncturing the cylinder's seal. The initial puncture is performed manually. Thereafter, the escaping gas from the cylinder is used to force the piston towards the seal to complete the puncturing process.

REFERENCES:
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patent: 1782020 (1930-11-01), Allen et al.
patent: 1826088 (1931-10-01), Ostlind
patent: 2028651 (1936-01-01), Dagnall et al.
patent: 2052186 (1936-08-01), Mapes
patent: 2058244 (1936-10-01), Mapes
patent: 2634754 (1953-04-01), Rahn
patent: 3070818 (1963-01-01), Fairchild
patent: 3633596 (1972-01-01), Gerber
patent: 3938704 (1976-02-01), Milgram
patent: 4463929 (1984-08-01), Dantlgraber et al.
patent: 4500014 (1985-02-01), Zimmerly
patent: 4635754 (1987-01-01), Aschauer et al.
Air-Lock, Inc., Lift-Raft Valves Nos. 9864 and 9906.

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