Oxygen gas cartridge

Details Oxygen gas cartridge Oxygen gas cartridge

1990-08-07

1992-03-31

Moy, Joseph Man-Fu

Receptacles

Closures

Superposed closures for common opening

220257, 220258, 220612, 220 892, B65D 800

Patent

active

051000148

ABSTRACT:
An oxygen gas cartridge which hardly leaks or explodes, comprising an inner sealing plate attached to a main body thereof by calking and an outer sealing plate welded to the main body by laser beams at the outside of the inner sealing plate. As inner pressure of the cartridge increases abnormally, the inner sealing plate will curve into a space between both sealing plates to be broken first, and then the outer sealing plate will be broken next.

REFERENCES:
patent: 1584523 (1926-05-01), Egbert
patent: 1598382 (1926-08-01), McNutt
patent: 2661121 (1953-12-01), Coffman et al.
patent: 2895492 (1959-07-01), Bell
patent: 3443718 (1969-05-01), Post
patent: 4566604 (1986-01-01), Wolf et al.
patent: 4594214 (1986-06-01), Popp et al.
patent: 4720038 (1988-01-01), Shepard
patent: 4738372 (1988-04-01), Jernberg

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