Electric heating – Metal heating – By arc
Patent
1979-01-15
1981-07-21
Rubinson, Gene Z.
Electric heating
Metal heating
By arc
219 74, 21913743, B23K 916, B23K 926
Patent
active
042800439
ABSTRACT:
A welding torch having two relatively movable assemblies of elements and an annular chamber therebetween. One of the assemblies is provided with a scraping device to strip strongly adhering metal particles from the lower portion of the inert gas chamber of the torch, and a pneumatic system is operative to then remove these as well as the remaining weakly adhering particles from the entire length of the chamber.
REFERENCES:
patent: 2833913 (1958-05-01), Bernard
patent: 3284608 (1966-11-01), McDonald
patent: 3493717 (1970-02-01), Sciaky
patent: 4011100 (1977-03-01), Ross
Cardot Frederic
Feix Jacques
George Keith E.
L'Air Liquide, Scoiete Anonyme pour l'Etude et l'Exploitation de
Robinson, Jr. Lee C.
Rubinson Gene Z.
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