Pressurized-fluid cartridge and safety closure therefor

Details Pressurized-fluid cartridge and safety closure therefor Pressurized-fluid cartridge and safety closure therefor

1982-02-10

1983-11-08

Price, William

Receptacles

Container attachment or adjunct

Pressure relief means

220207, 220265, 220364, 222397, B65D 9034

Patent

active

044137460

ABSTRACT:
A high-pressure gas cartridge is formed by a metallic container (11) having a neck portion (11a) defining a mouth, a safety closure (12) sealingly closing the mouth, and a quantity of fluid under pressure stored in the container. The closure (12) comprises an inner base layer (14) of a metal formed therein with a pressure relief through-hole (13) and welded to the container neck portion (11a) around the mouth, an outer layer (16) of a corrosion-resistant metal thinner than the inner base layer and an intermediate layer of solder (15) sandwiched between the inner and outer layers (14 and 16) to sealingly secure them together so that the pressure relief through-hole (13) is closed by the thinner outer layer (16). The part of the outer layer (16) facing the pressure relief through-hole (13) is rupturable when the gaseous pressure in the cartridge is raised to an unduly high level.

REFERENCES:
patent: 2326771 (1943-08-01), Eidson
patent: 2492883 (1949-12-01), O'Neil
patent: 2726022 (1955-12-01), Dalianis
patent: 3038627 (1962-06-01), Daley
patent: 3039646 (1962-06-01), Merz
patent: 3372839 (1968-03-01), Hayes
patent: 3622051 (1971-11-01), Benson
patent: 3827449 (1974-08-01), Gurizzan et al.
patent: 4219126 (1980-08-01), Oana
patent: 4260075 (1981-04-01), Mackal

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