Torch for MIG welding

Electric heating – Metal heating – By arc

Reexamination Certificate

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Details

C219S137420

Reexamination Certificate

active

07084373

ABSTRACT:
A torch for MIG welding includes a gas nozzle for supplying a fluid therethrough to a workpiece, a tip disposed coaxially in the gas nozzle for supplying an electrode wire from a center thereof to a workpiece, and a rotor rotatably supported on the tip. The rotor includes a plurality of blades connected to a bearing rotatably supported on the tip for receiving rotary power due to a flow of fluid through the gas nozzle, a ring joining ends of the blades, and a plurality of spatter removal plates extending axially along an inner surface of the gas nozzle.

REFERENCES:
patent: 2833913 (1958-05-01), Bernard
patent: 4280043 (1981-07-01), Feix et al.
patent: 5138969 (1992-08-01), Thielmann
patent: 1205626 (1970-09-01), None
patent: 1573731 (1980-08-01), None
patent: 59004980 (1984-01-01), None
patent: 61-017377 (1986-01-01), None
patent: 01148471 (1989-06-01), None
patent: 10-015669 (1998-01-01), None
patent: 2003-001425 (2003-01-01), None
patent: 2004249323 (2004-09-01), None
patent: 1402414 (1988-06-01), None

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