Clamping mechanism for line-up of pipes

Details Clamping mechanism for line-up of pipes Clamping mechanism for line-up of pipes

1975-02-11

1976-09-07

Smith, Al Lawrence

Metal fusion bonding

With means to handle work or product

Including means to orient work or position work portion...

228 445, 228212, B23K 3102

Patent

active

039790410

ABSTRACT:
An apparatus comprising a round-like housing having two assemblies therein. In one assembly there is a group of extending members each having affixed thereto metal backing members, which are alternatively either segment-like or inverted segment-like and have mounted a pair of rollers facing each other across a weld backing strip, the extending members being movable and workable in alternative shifts. In the other assembly the extending members each have affixed thereto a roller, the extending members being movable and workable all in one movement. There are fluid cylinder mechanisms in the assemblies for moving the members in the above-mentioned manner. The aligning, the expanding and the welding of pipes are easily and stably accomplished by such apparatus performed without need of any tack welding.

REFERENCES:
patent: 3561320 (1971-02-01), Nelson
patent: 3699635 (1972-10-01), Bradley et al.

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