GAS-SHIELDED ARC WELDING TORCH Russian patent published in 1994 - IPC

Abstract RU 2009813 C1

FIELD: arc welding. SUBSTANCE: torch has concentric shielding gas feed and aspiration nozzles in which swirlers are mounted. The shielding gas nozzle is made external in the form of a truncated cone with a smaller base in the nozzle section plane. The inner diameter of the aspiration nozzle is equal to 0.35-0.4 of the inner diameter of the shielding gas nozzle. EFFECT: improved efficiency of noxious material removal. 2 cl, 2 dwg

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RU 2 009 813 C1

Authors

Stojanov N.I.

Zajtsev O.N.

Dates

1994-03-30—Published

1991-01-08—Filed