Apparatus and method for charging canisters with a high pressure

Details Apparatus and method for charging canisters with a high pressure Apparatus and method for charging canisters with a high pressure

1997-11-25

2000-03-28

Coan, James F.

Package making

Methods

Gas filling and/or evacuating and closing

53404, 53 79, 53 80, 141329, B65B 3100

Patent

active

060415738

ABSTRACT:
An apparatus for charging a closed metallic canister with a gas under pressure comprising means for forming a gas filling opening in the canister, and dispensing means for sequentially injecting a high pressure gas through the gas filling opening to charge the canister, and depositing and fusing a fusible body in the gas filling opening, while continuing to inject gas into the canister and utilize the force of the gas to urge the dispensing means into sealing engagement with the canister being charged.

REFERENCES:
patent: 3081587 (1963-03-01), Hackethorn
patent: 4025371 (1977-05-01), Pecha
patent: 4451964 (1984-06-01), Ludwig
patent: 4564138 (1986-01-01), Bethell et al.
patent: 5033254 (1991-07-01), Zenger
patent: 5196669 (1993-03-01), Richardson
patent: 5352860 (1994-10-01), Richardson
patent: 5577364 (1996-11-01), Wang et al.

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