Device for overlay-welding pipes bends

Details Device for overlay-welding pipes bends Device for overlay-welding pipes bends

1984-12-24

1986-03-25

Godici, Nicholas P.

Metal fusion bonding

Including applicator movable during fusion

Orbital or plane curvilinear motion

228 48, B23K 518, B23K 904, B23K 3102, B23K 3704

Patent

active

045777950

ABSTRACT:
A device for overlay-welding a pipe interior having an arm extensible into the interior of a respective pipe, the arm carrying a welding head at a free end thereof includes a rotating device in the form of a wheel surrounding and supporting the pipe, and a swiveling device disposed in the wheel for moving the pipe in a circular arc about the center of the wheel and transversely to the plane of the wheel, the arm being curved and being secured to a part of the swiveling device connected to the wheel, the welding head being rotatable in the plane of the wheel for overlay-welding pipes formed at least partly with a bend therein.

REFERENCES:
patent: 3239209 (1966-03-01), Kucka
patent: 4215809 (1980-08-01), Davis
Kraftwer Union AG Publication, "Intern", 5/83 (Oct.) Edition.

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