Contact tip for arc welding apparatus

Details Contact tip for arc welding apparatus Contact tip for arc welding apparatus

1990-03-05

1991-01-29

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219136, B23K 926

Patent

active

049888463

ABSTRACT:
A contact nozzle for a wire-shaped welding electrode for arc welding is designed as a contact tube in the front section and as a guide channel for the electrode in the rear section. The guide channel is formed by an open groove made in the nozzle body. The feed by the electrode is hindered in the rectilinear feed direction by a convex projection of the groove wall. Particles, dragged into the nozzle with the electrode, fall out of the open groove and therefore cannot displace the contact tube.

REFERENCES:
patent: 1959180 (1934-05-01), Stevens
patent: 2366068 (1944-12-01), Sohn
patent: 3112393 (1963-11-01), Manz et al.
patent: 3116408 (1963-12-01), Turbett et al.
patent: 3142746 (1964-07-01), Schmerling
patent: 4733052 (1988-03-01), Nilsson et al.

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