Metal-protective gas-joint with changeable polarity

Details Metal-protective gas-joint with changeable polarity Metal-protective gas-joint with changeable polarity

2007-07-17

2007-07-17

Kerns, Kevin P. (Department: 1725)

Electric heating

Metal heating

Nonatmospheric environment at hot spot

C219S1370PS, C219S1370WM

Reexamination Certificate

active

10874254

ABSTRACT:
A method of gas-shielded metal arc joining using a consumable electrode having an alternating polarity (GMA-AC). A shielding gas containing helium is used to improve process stability and working speed.

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