Knife bending apparatus

Details Knife bending apparatus Knife bending apparatus

1993-06-11

1996-01-09

Jones, David

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

72380, 72386, B21D 516

Patent

active

054818966

ABSTRACT:
The present invention relates to an apparatus for bending a sheet die cutting knife to a specified shape, in which a knife is supported by a supporting mechanism and a clamping mechanism in connection with the upper face of the surface plate and bent by a bending mechanism in which the edge portion of the bending die which constitutes the bending mechanism is brought into contact, through vibrations and drive, with the knife side opposite to the direction along which the knife is about to be bent, by alternatively repeating a specified staying time and knife feeding time by the knife feeding mechanism every time such a bending process is carried out. This makes it possible to bend the knife to various shapes by properly changing the operating time of the bending mechanism and the feeding mechanism with a control device.

REFERENCES:
patent: 3395846 (1968-08-01), Mille
patent: 4367641 (1983-01-01), Mitzutani
patent: 4555924 (1985-12-01), Remy et al.
patent: 4747293 (1988-05-01), Yagi et al.
patent: 5136871 (1992-08-01), Lisec
patent: 5259231 (1993-11-01), Kutschker

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