Plasma arc welding adapted to ID ellipsoid process

Details Plasma arc welding adapted to ID ellipsoid process Plasma arc welding adapted to ID ellipsoid process

1991-06-17

1993-03-30

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912145, 2191215, 21912159, B23K 900

Patent

active

051986353

ABSTRACT:
This invention pertains to the use of a plasma arc welding technique when welding a nozzle to the interior of a vessel. More specifically, it pertains to a method and apparatus for making an inside weld when access to the interior of the vessel is restricted.

REFERENCES:
patent: 4415795 (1983-11-01), Ross et al.
patent: 4423304 (1983-12-01), Bass et al.
patent: 4831231 (1989-05-01), Pelle
patent: 4843208 (1989-06-01), French et al.
patent: 5006687 (1991-04-01), Fujita et al.

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