Method of automatic or semi-automatic welding with gases

Details Method of automatic or semi-automatic welding with gases Method of automatic or semi-automatic welding with gases

1976-12-01

1977-08-02

Truhe, J. V.

Electric heating

Metal heating

By arc

228229, B23K 500

Patent

active

040398021

ABSTRACT:
The invention relates to an improved method of automatic or semi-automatic welding with gas, or brazing, effected by using a coil of fillet wire brought to the welding point by continuously passing through the center of a gas flame, (oxy-acetylene, oxygen-propane for example) which melts the wire and heats the work part, said improvement comprising the application of an electrical voltage between a member mounted on the forward-movement path of the fillet wire and the work part under treatment, so as to cause the passage therein of a heating current.
The electrical voltage is preferably applied either between the welding torch nozzle or the forward-movement rollers and the part treated.

REFERENCES:
patent: 1347184 (1920-07-01), Smith
patent: 1746196 (1930-02-01), Langmuir et al.
patent: 1866044 (1932-07-01), Krebs
patent: 1979244 (1934-11-01), Anderson
patent: 2438344 (1948-03-01), Meincke
patent: 2891308 (1959-06-01), Lyons
patent: 3163743 (1964-12-01), Wroth et al.

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