Double downhill pipe welder

Details Double downhill pipe welder Double downhill pipe welder

1989-03-06

1990-01-30

Godici, Nicholas P.

Metal fusion bonding

Including applicator movable during fusion

Means to move applicator

228 8, 228 12, 228 493, 219 60A, 219 615, 2191304, B23K 902, B23K 906, B23K 9225

Patent

active

048968129

ABSTRACT:
A pipe welding apparatus which utilizes a pair of welding electrodes which are at least ninety degrees spaced apart relative to a cylindrical workpiece. The welding procedure only occurs during movement of each welding electrode from an upper position to a lower position.

REFERENCES:
patent: 2516037 (1950-07-01), Williams
patent: 2798937 (1957-07-01), Miller
patent: 2894111 (1959-07-01), McNutt
patent: 3748426 (1973-07-01), Stanley
patent: 4365132 (1982-12-01), Kazlauskas et al.
patent: 4373125 (1983-02-01), Kazlauskas

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