Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1994-05-23
1996-03-05
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72217, 140106, B21D 702
Patent
active
054957419
ABSTRACT:
An apparatus for bending a band-shaped work, the apparatus including a stationary cylinder having at least a pair of slits on diametrically opposite sides thereof, the slits providing a passageway in which the work is inserted through the slits, a rotary sleeve accepting the stationary cylinder with a gap interposed therebetween, the rotary sleeve having a first opening and a second opening on diametrically opposite sides thereof, a first driving means for feeding the work passed through the passageway in the stationary cylinder and the first and second openings of the rotary sleeve, and a second driving means for rotating the rotary sleeve by a predetermined amount while the movement of the work is stopped so as to bend the work between the stationary cylinder and the rotary sleeve.
REFERENCES:
patent: 3847189 (1974-11-01), Guzda
patent: 3991600 (1976-11-01), Del Fabro
patent: 5203195 (1993-04-01), Ritter et al.
Jones David
Santex Co. Ltd.
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