Adjustable welding torch mounting

Details Adjustable welding torch mounting Adjustable welding torch mounting

1991-10-11

1993-07-13

Shaw, Clifford C.

Electric heating

Metal heating

Of cylinders

219 60R, 21912433, 21912511, B23K 912

Patent

active

052276015

ABSTRACT:
Automatic welding apparatus of the type comprising a carriage self-propelled along a guide track encircling end-to-end adjoining metal tube sections through a welding pass therearound for forming a weld bead joint therebetween is provided with a welding head pivotally mounted on the carriage for pivotal movement thereon in the plane of the weld joint, about a pivot point located approximately at the tip end of the wire electrode projecting from the nozzle end of the welding head, between an initial forwardly inclined drag angle welding position at the top of the adjoining horizontally disposed tube sections to a rearwardly inclined push angle welding position when the welding head reaches around 120.degree. to 135.degree. of its welding pass around the weld joint.

REFERENCES:
patent: 2927195 (1960-03-01), Arnaud
patent: 3084246 (1963-04-01), Rieppel et al.
patent: 3604612 (1971-09-01), Miller et al.
patent: 3718798 (1973-02-01), Randolph et al.
patent: 3737614 (1973-06-01), Paulange
patent: 3806694 (1974-04-01), Nelson et al.
patent: 3815807 (1974-06-01), Bartley
patent: 4008384 (1977-02-01), Cecil
patent: 4495400 (1985-01-01), Thompson
patent: 4664587 (1987-05-01), Case, Jr. et al.

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