Punching machine with spring-supported work support

Details Punching machine with spring-supported work support Punching machine with spring-supported work support

2007-02-23

2008-12-23

Banks, Derris H (Department: 3725)

Metal deforming

With means to handle work or product

C072S434000, C072S466900, C072S482910

Reexamination Certificate

active

07467534

ABSTRACT:
A punching machine is provided with a tool holder for a punching tool and a die having a cutting edge which can be passed by the punching tool in a machining stroke direction and a return stroke direction. The machine includes at least one work support, supported by at least one spring element. The work support is arranged in the region of the die, and the spring force of the spring element is adjustable.

REFERENCES:
patent: 2772735 (1956-12-01), Wakelee
patent: 4779443 (1988-10-01), Hoshi
patent: 5361615 (1994-11-01), Kirii et al.
patent: 5715721 (1998-02-01), Anders et al.
patent: 2001/0013240 (2001-08-01), Knodler et al.
patent: 29702699 (1997-05-01), None
patent: 55077906 (1980-06-01), None
patent: 7256367 (1995-10-01), None

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