Purge gas system for welding pipes

Details Purge gas system for welding pipes Purge gas system for welding pipes

1986-08-02

1988-02-02

Albritton, C. L.

Electric heating

Metal heating

By arc

219160, B23K 2612

Patent

active

047230649

ABSTRACT:
A purge gas system for welding pipes having a flat circular plate with a flat gasket adapted to engage the end of a pipe section and a pair of toggle joints positioned inside the end of the pipe and formed to have their knuckles press outwardly against the interior surface of the pipe upon rotation of a thumbscrew threadably engaged on a tube passing through the center of the plate, the tube being hollow for supplying purge gas and for permitting removal of ambient atmosphere displaced by the purge gas.

REFERENCES:
patent: 2433296 (1947-12-01), Schaefer
patent: 4454405 (1984-06-01), Riley

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