Hollow electrode and arc initiation method

Details Hollow electrode and arc initiation method Hollow electrode and arc initiation method

1987-09-16

1989-02-07

Goldberg, E. A.

Electric heating

Metal heating

Weld rod structure

219 75, 219119, 21912401, 2191304, B23K 3504

Patent

active

048033391

ABSTRACT:
An improved hollow electrode 10 and hollow electrode working tip 14 for a gas tunsten arc welding apparatus is disclosed. The hollow electrode face is formed as a lune-shaped radial surface 16 having two tapered intersecting cone-shaped angled surfaces 18. The improved electrode working tip provides a controllable stable arc resulting in an improved weld.

REFERENCES:
patent: 3715561 (1973-02-01), Hammarlind
patent: 4598191 (1986-07-01), Marhic et al.

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