Pipe positioning, rotating and fitting apparatus for welding

Details Pipe positioning, rotating and fitting apparatus for welding Pipe positioning, rotating and fitting apparatus for welding

1974-11-25

1976-06-15

Whitehead, Harold D.

Work holders

Plural holders to hold workpieces relative to each other

With means to relatively array or arrange holders

29200P, 269130, B25B 120

Patent

active

039632318

ABSTRACT:
An apparatus for supporting and rotating pipes, incident to joining two pipe sections into a continuous length by welding, includes a pair of support units positioned adjacent the pipe ends, each support unit including an adjustable idler roll assembly, for supporting adjacent pipes on a base at a predetermined elevation, and a clamp assembly. The clamp assembly of each unit includes a chain disposed about the pipe and adjustably connected at its ends to the base so that a pull can be applied to the chain to clamp and, if necessary, slightly deform the upper portion of the pipes into localized alignment to facilitate accurate tack welding prior to circumferential seam welding of the joint.

REFERENCES:
patent: 2196623 (1940-04-01), Brewington
patent: 2451702 (1948-10-01), Weigand
patent: 2500204 (1950-03-01), Ronay
patent: 3019571 (1962-02-01), Whittenberg
patent: 3669439 (1972-06-01), Sanchez

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