Torch for shielded arc welding

Details Torch for shielded arc welding Torch for shielded arc welding

1997-12-10

1999-12-07

Ryan, Patrick

Electric heating

Metal heating

By arc

21913731, B23K 912, B23K 910

Patent

active

05998760&

ABSTRACT:
A torch comprises inner parts carrying the welding current. The inner parts are enclosed by a nozzle, an intermediate member and an outer neck section. The intermediate member is connected to the outer neck section with a left handed internal screw and to the nozzle with a right handed external screw. The inner parts are surrounded by electrically insulating tubes for preventing an electrical breakthrough. At least an intermediate one of the insulating tubes is coated with a thermally conducting paste for providing good heat conduction between the outer and inner parts.

REFERENCES:
patent: 3689733 (1972-09-01), Matasoviv
patent: 4313046 (1982-01-01), Henry et al.
patent: 5349158 (1994-09-01), Mari
patent: 5611951 (1997-03-01), Kunz et al.
patent: 5841105 (1998-11-01), Haczynski et al.
patent: 5866874 (1999-02-01), Haczynski et al.

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