Pipe alignment apparatus

Details Pipe alignment apparatus Pipe alignment apparatus

1984-01-11

1986-01-21

Schmidt, Frederick R.

Metal working

Means to assemble or disassemble

With work-holder for assembly

269 43, 228 493, B23K 3704

Patent

active

045650039

ABSTRACT:
Apparatus for aligning two sections of pipe, including a cage means made up of two half sections hinged together on one side and having closure means to close the opposite sides, a first end of the cage is adapted to bear against and grip one of the two sections of pipe, preferably through arcuate shoes, when the cage is closed and at least three independently operable pistons are spaced about the other end of the cage and are adapted to bear against and laterally move the other of the two sections of pipe, preferably through arcuate shoes on the ends of the piston rods, when the cage is closed and the pistons are activated. The ends of the cage are preferably spaced from one another to provide access to the area where the sections of pipe are being aligned and preferably a second set of pistons is longitudinally spaced from and aligned with the first set and a common shoe is mounted on each pair of longitudinally spaced piston rods.

REFERENCES:
patent: 1482162 (1924-01-01), Streda
patent: 2758654 (1956-08-01), Simmons
patent: 3013925 (1961-12-01), Larsen
patent: 3414950 (1968-12-01), Phariss
patent: 3920232 (1975-11-01), Clark
patent: 4295527 (1981-10-01), Russe
patent: 4318547 (1982-03-01), Ericson
patent: 4356615 (1982-11-01), Dearman

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