Valve removal tool, gas cylinder recycle kit, and process for re

Details Valve removal tool, gas cylinder recycle kit, and process for re Valve removal tool, gas cylinder recycle kit, and process for re

1997-05-16

1998-12-01

Watson, Robert C.

Metal working

Means to assemble or disassemble

Valve applying or removing

B23P 1904

Patent

active

058422609

ABSTRACT:
Compressed gas cylinder valve removal tools and a kit are disclosed. A body portion of the tools mate with a corresponding portion on a compressed gas cylinder valve assembly. A stem portion of the tools is advanced through the body portion and into the valve assembly of the compressed gas cylinder. A punch portion of the stem impinges against the valve of the valve assembly and punches out the valve into the compressed gas cylinder. A gas vent path is provided through the valve removal tool to allow residual gas within the compressed gas cylinder to escape through the tool to atmosphere while the valve is being punched out. In an alternative embodiment, the valve removal tool includes portions which mate with corresponding portions on a compressed gas cylinder valve, to unscrew the valve from the valve assembly. Once punched out or unscrewed, the valve will drop harmlessly into the compressed gas cylinder, ensuring that the compressed gas cylinder is fully vented to atmosphere and does not contain any residual gas therein.

REFERENCES:
patent: Re27895 (1974-01-01), Ray
patent: 1519067 (1924-12-01), Smith
patent: 3755876 (1973-09-01), Beasley
patent: 4706357 (1987-11-01), Ewing

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