Electric arc welding

Details Electric arc welding Electric arc welding

1973-03-26

1976-02-24

Truhe, J. V.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219130, 219136, B23K 912

Patent

active

039405869

ABSTRACT:
An electric arc welding system includes a welding torch having a head supporting a nonconsumable, elongated electrode for establishing an arc and between a work piece and an outer end of the electrode. The system further includes nozzle means for supplying an inert gas shield around the longitudinal axis of the electrode and said arc and conductor means for supplying current to the electrode for establishing and maintaining the arc. Means are provided for feeding filler wire toward the longitudinal axis of the electrode and the arc along a feed path intersecting the axis at an acute angle. The feeding means includes means for advancing the filler wire along the feed path in repetitive incremental strokes separated by alternating periods of stationary dwell.

REFERENCES:
patent: 2360160 (1944-10-01), Pickhaven
patent: 2644070 (1953-06-01), Herbst
patent: 2710902 (1955-06-01), Pilia
patent: 2723331 (1955-11-01), Tyrnch
patent: 2778099 (1957-01-01), Anderson et al.
patent: 2892925 (1959-06-01), Butterfield et al.
patent: 3056018 (1962-09-01), Peterson
patent: 3102947 (1963-09-01), Blackman
patent: 3428774 (1969-02-01), Faust et al.

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