Metal deforming – By deflecting successively-presented portions of work during... – By use of work-contacting wiper and moving – work-holding form
Patent
1983-11-04
1986-01-14
Combs, E. Michael
Metal deforming
By deflecting successively-presented portions of work during...
By use of work-contacting wiper and moving, work-holding form
72150, 72159, B21D 704, B21D 905
Patent
active
045638918
ABSTRACT:
Disclosed is a pipe bending machine which for the purpose of increasing the freedom of bending operation, is provided with a stand which supports longitudinally extending flat supporting beam of a relatively low height. The forwardly projecting part of the supporting beam has a lateral extension supporting for rotation the bending table whose center axis of rotation is laterally offset relative to the side wall of the supporting beam. The bending table has a rotation symmetrical configuration and consists of an inner rotary sleeve which acts simultaneously as a cylinder for lifting a two piece bending die. The drive for the bending table, and the drives for sliding shoe cooperating with the bending die are arranged on the projecting part of the supporting beam in a single structural unit.
REFERENCES:
patent: 757593 (1904-04-01), Atwood
patent: 2762415 (1956-09-01), Franck
patent: 3017917 (1962-01-01), Streit
patent: 3276235 (1966-10-01), Stanley
patent: 3287952 (1966-11-01), Van Harten
patent: 3336776 (1967-08-01), Zerlaut
patent: 3475938 (1969-11-01), Whitney et al.
patent: 4063441 (1977-12-01), Eaton
patent: 4126030 (1978-11-01), Zollweg et al.
Combs E. Michael
Striker Michael J.
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