Metal deforming – By deflecting successively-presented portions of work during... – By use of deflectors arranged to bend work longitudinally of...
Patent
1985-11-12
1986-10-07
Gilden, Leon
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflectors arranged to bend work longitudinally of...
72166, B21D 514
Patent
active
046151990
ABSTRACT:
A strip metal bending machine for bending formed strip material having for example an "I" section or a "U" section, said machine comprising a plurality of rolls arranged to act on the strip along a roll path so as to bend the strip, a first roll being provided with a pair of restraining means, each restraining means located either side of the roll path so that the strip is enclosed at a bending point between the restraining means and a contact surface of said first roll, said restraining means acting on the strip in a direction substantially at right angles to the direction of action of said contact surface of said first roll, means enabling continuous restraining adjustment of one restraining means relative the other of the pair during rolling action and control means for controlling said adjustment means.
Such a machine enables material to be bent in a single pass with minimal or no twisting.
REFERENCES:
patent: 2390274 (1945-12-01), Rose
patent: 2717625 (1955-07-01), Johnson
patent: 3842473 (1974-10-01), Couper
Caledonian Mining Co. Ltd.
Gilden Leon
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