Metal deforming – By relatively movable offset tool-faces
Patent
1974-11-25
1976-01-27
Lanham, C. W.
Metal deforming
By relatively movable offset tool-faces
72392, B21D 502
Patent
active
039344487
ABSTRACT:
A mobile base longitudinally slidably supports a platform and transversely supports an elongated winch cable and pipe reamer supporting trough, in elevated relation. Fluid operated cylinders moves the platform and axially aligns the trough with tubular members to be reamed. An elongated reamer moving rod is connected at its respective ends with winch cables in turn connected, respectively, with a pair of fluid motor sequence operated winches alternately pushing and pulling the rod and reamer into and out of tubular members.
REFERENCES:
patent: 1623405 (1927-04-01), Gocke et al.
patent: 1623657 (1927-04-01), Brown
patent: 2697469 (1954-12-01), Becroft
patent: 2708471 (1955-05-01), Ballard
Duzan James R.
Lanham C. W.
Rhea Robert K.
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