Welding apparatus and method

Details Welding apparatus and method Welding apparatus and method

2005-01-11

2005-01-11

Van, Quang T. (Department: 1725)

Electric heating

Metal heating

By arc

C219S121450

Reexamination Certificate

active

06841753

ABSTRACT:
A welding apparatus welds two or more overlapping members having a tenacious surface oxide layer. The apparatus includes a plasma arc torch operable to form a weld pool in a work piece and a weld pool disturbing device operable, in use, to disturb a weld pool formed by the plasma arc torch. The weld pool disturbing device includes a disturbing member which is movable into the weld pool. The apparatus may include a support member adapted to support the weld pool.

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International Search Report dated Nov. 16, 2000.

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