Substantially oxygen-free contact tube

Details Substantially oxygen-free contact tube Substantially oxygen-free contact tube

1991-11-14

1993-03-09

Shaw, Clifford C.

Electric heating

Metal heating

By arc

B23K 924

Patent

active

051928523

ABSTRACT:
A device for arc welding is provided in which a continuously-fed electrode wire is in electrical contact with a contact tube. The contact tube is improved by using a substantially oxygen-free conductive alloy in order to reduce the amount of electrical erosion.

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