Metal deforming – By use of roller or roller-like tool-element – With work-forcer offset from – and relatively movable...
Patent
1975-08-20
1977-02-01
Gilden, Leon
Metal deforming
By use of roller or roller-like tool-element
With work-forcer offset from, and relatively movable...
72304, 72389, B21D 704
Patent
active
040055930
ABSTRACT:
A bending clamp is disclosed for use with a pipe bending apparatus having a generally arcuate shaped bending shoe about which a tubular pipe may be bent. The bending clamp is cooperable with the bending shoe to retain the pipe against the bending surface of the bending shoe so as to prevent wrinkling, flattening or collapse of the pipe during bending of the pipe.
REFERENCES:
patent: 2525403 (1950-10-01), Witt
patent: 2771116 (1956-11-01), Ballard
patent: 2892479 (1959-06-01), Holsclaw
patent: 3869917 (1975-03-01), Lapp
Allied Tube & Conduit Corporation
Gilden Leon
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