Apparatus and method for internally weld-cladding pipe elbows

Details Apparatus and method for internally weld-cladding pipe elbows Apparatus and method for internally weld-cladding pipe elbows

1979-04-26

1981-02-24

Goldberg, E. A.

Electric heating

Metal heating

For deposition welding

219 7614, 2191251, 219159, B23K 904

Patent

active

042530067

ABSTRACT:
The weld-cladding apparatus includes a turntable which is rotatably mounted in a yoke about a horizontal axis. An outrigger is mounted on the yoke and has a curvature coincident to the curvature of the torus-to-be-cladded and a center of curvature on the axis of the turntable. The weld-cladding means is rotatably mounted at the end of the outrigger in a vertical plane common to the plane in which the pivot axis of the turntable moves during rotation of the yoke. During use, the weld-cladding means remains vertical while the turntable pivots on the horizontal axis. In order to form a weld, the turntable is oscillated back and forth about the pivot axis over an arcuate length equal to the length of the torus. The turntable is tilted incrementally a distance equal to the width of a weld.

REFERENCES:
patent: 2818083 (1957-12-01), Jelm
patent: 2912562 (1959-11-01), Donovan
patent: 4149061 (1979-04-01), Mort

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