Butt-welding apparatus for assembling and laying pipe strings in

Details Butt-welding apparatus for assembling and laying pipe strings in Butt-welding apparatus for assembling and laying pipe strings in

1978-03-30

1980-07-29

Husar, Francis S.

Metal fusion bonding

Including means to force or clamp work portions together...

Work portion comprises electrical component

228 445, 228 49R, 228 565, B23K 1900

Patent

active

042146925

ABSTRACT:
Butt-welding apparatus for welding two pipes, e.g. for the shipboard welding of a laid pipe and a towed pipe, comprises a frame for receiving the pipe ends, means for securing the pipe ends relative to the frame and compensation means for causing movement of one pipe relative to the other to compensate for any shrinkage caused by the welding operation and by preheating the pipe ends to be welded.

REFERENCES:
patent: 2376765 (1945-05-01), Forbes
patent: 2392824 (1946-01-01), Lytle
patent: 4060190 (1977-11-01), Paolini
patent: 4103815 (1978-08-01), Yokokawa

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