Sheet processing apparatus and sheet processing method

Details Sheet processing apparatus and sheet processing method Sheet processing apparatus and sheet processing method

1996-09-25

1998-05-05

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

Cylinders in-line

B65H 3910

Patent

active

057461627

ABSTRACT:
A sheet processing apparatus for punching a sheet having a detachable punching unit for accomplishing wide varieties of combinations of punching conditions such as a number of the hole, diameter of the hole, and a position of the hole at a sheet. A sort of the punching unit which is mounted to the apparatus is recognized by a recognition device and one of a sheet conveying speed, a punching speed, and a punch operation timing is controlled by a controller in accordance with a condition predetermined for each sort of the punching unit which is recognized by the recognition device.

REFERENCES:
patent: 4495582 (1985-01-01), Dessert et al.
patent: 5328169 (1994-07-01), Mandel
patent: 5390910 (1995-02-01), Mandel et al.
patent: 5461469 (1995-10-01), Farrell et al.

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