Attachment of gas charger for gas container

Details Attachment of gas charger for gas container Attachment of gas charger for gas container

1990-10-01

1991-11-12

Hepperle, Stephen M.

Fluent material handling, with receiver or receiver coacting mea

Filling or refilling of dispensers

1374939, 137509, 251151, B65B 3106

Patent

active

050639765

ABSTRACT:
An attachment of a gas charger for a gas container is adapted to be mounted to a valve device with a check valve and to be used for forcedly opening a spring-closed type check valve by means of a charging pressure of a fresh gas. The attachment is provided with a gas charging mouthpiece detachably secured to a valve box of the valve device, a piston supporting member movable together with the gas charging mouthpiece, and a valve-opening piston. The valve-opening piston is sealingly supported by the piston supporting member in such a condition as being freely movable in the diametrical direction and is detachably sealingly fitted into a received pressure removing cylinder room of a check valve member.

REFERENCES:
patent: 2645241 (1953-07-01), Riede
patent: 3513872 (1970-05-01), Tupper et al.
patent: 3580274 (1971-05-01), Hansen
patent: 4210168 (1980-07-01), Yonezawa
patent: 4341245 (1982-07-01), Daicho et al.

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