External apparatus for butt welding two pipes

Details External apparatus for butt welding two pipes External apparatus for butt welding two pipes

1985-10-09

1987-01-27

Watson, Robert C.

Work holders

Plural holders to hold workpieces relative to each other

Workpieces parallel to each other

B23K 3704

Patent

active

046389849

ABSTRACT:
An external apparatus for butting two tubular elements 1, 2 to be welded together comprises two frames 8, 9 provided with means for the external gripping of the elements and which are connected by jacks 10, 11 for bringing the elements together and by a plurality of connecting and aligning means 14-19 each comprising a pair of members 20, 21 engageable one in the other with the interposition of an elastic means 22. The gripping means comprise a plurality of radial jaws 55-64 for gripping the tubular elements and carried by support rings each comprising three jaw holders 23-25 each in the form of a segment of a circle.

REFERENCES:
patent: 2187878 (1940-01-01), Hill et al.
patent: 4221039 (1980-09-01), Smith
patent: 4492015 (1985-01-01), Dearman

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