Electric heating – Metal heating – By arc
Patent
1979-02-21
1981-08-04
Albritton, C. L.
Electric heating
Metal heating
By arc
21913761, 219 74, 279 51, B23K 928, B23K 916
Patent
active
042824192
ABSTRACT:
A welding torch for arc welding includes a housing, a contact tube having a polygonal cross-section disposed in the housing, and a securing device for replaceably securing the contact tube within the housing.
REFERENCES:
patent: 172689 (1876-01-01), Barrett
patent: 4057704 (1977-11-01), Geus et al.
patent: 4087195 (1978-05-01), Wood
patent: 4158763 (1979-06-01), Moerke
Albritton C. L.
George Keith E.
Marmorek Ernest F.
Messer Griesheim GmbH
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