Metal deforming – By deflecting successively-presented portions of work during... – By use of work-contacting wiper and moving – work-holding form
Patent
1992-10-13
1993-11-23
Larson, Lowell A.
Metal deforming
By deflecting successively-presented portions of work during...
By use of work-contacting wiper and moving, work-holding form
72155, B21D 704
Patent
active
052633500
ABSTRACT:
A multi-function pipe bending machine (1) comprising a base structure (2), a first slide (8) slidably engaged to the base structure (2) along a first traverse direction, a second slide (11) slidably engaged to the first slide (8) along a second traverse direction perpendicular to the first direction, a first and a second bending die (14a, 14b), at least one unit (15a, 15b) for positioning and locking a pipe (6) to be bent, and a bending arm (18) active on the pipe (6) against the action of the bending dies (14a, 14b).
REFERENCES:
patent: 3147792 (1964-09-01), Hautau
patent: 3299681 (1967-01-01), Hautau
patent: 4112728 (1978-09-01), Noack et al.
patent: 4495788 (1985-01-01), Traub
patent: 4727738 (1988-03-01), Yogo
patent: 4941338 (1990-07-01), Spath
patent: 5010758 (1991-04-01), Togoshi
patent: 5042279 (1991-08-01), Togoshi
Fabbrica Macchine Curvatubi Crippa Agostini S.p.A.
Larson Lowell A.
McKeon Michael J.
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