Electric welding apparatus and method

Details Electric welding apparatus and method Electric welding apparatus and method

B - Operations, Transporting

23

K

B23K 9/12 (2006.01) B23K 9/00 (2006.01) B23K 9/173 (2006.01)

Patent

CA 2315650

An apparatus and method for welding the gap between two ends of adjacent first and second pipe sections comprising: moving a first consumable electrode along the end of the first pipe section; moving a second consumable electrode along the end of the second pipe section; moving the electrodes in unison in side by side relationship on opposite sides of the gap; applying a first welding current to the first electrode; and, applying a second welding current to the second electrode, separate from the first welding current and, optionally, a mechanism for adjusting the spacing of the electrodes.

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