Method of welding the ends of submerged pipes by sleeve abutment

Details Method of welding the ends of submerged pipes by sleeve abutment Method of welding the ends of submerged pipes by sleeve abutment

1979-06-06

1981-11-24

Goldberg, Elliot A.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 61, 219137R, 405170, 405189, B23K 916

Patent

active

043026524

ABSTRACT:
A method of welding the ends of submerged pipes in a gaseous atmosphere at any depth comprises isolating the ends of the pipes by introducing obturators therein and then introducing the pipe ends into an open topped receptacle which is capped with an underwater personal carrying intervention unit. The closed receptacle is filled with gas and then a sleeve is positioned between the ends of the pipes and welded to the pipes.

REFERENCES:
patent: 3339011 (1967-08-01), Ewors
patent: 3407611 (1968-10-01), Coultroup
patent: 3795115 (1974-03-01), Berquist

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