Method and apparatus for preparing sheet stacks

Details Method and apparatus for preparing sheet stacks Method and apparatus for preparing sheet stacks

1990-05-25

1991-06-11

Rosenbaum, Mark

Cutting

Processes

With reorientation of work between cuts

83 39, 83255, 83404, 83406, 83917, B26D 702

Patent

active

050222970

ABSTRACT:
The present invention relates to a method and apparatus for automatically preparing one or more stacks of sheets, each stack having at least two substantially straight edges that meet to define a corner and, specifically, where preparing constitutes corner rounding, notching, hole punching or edge marking the stack.

REFERENCES:
patent: 968014 (1910-08-01), White
patent: 3125920 (1964-03-01), Smith
patent: 3516317 (1970-06-01), Sundquist et al.
patent: 3739672 (1973-06-01), Pfaffle
patent: 3877333 (1975-04-01), Illingworth et al.
patent: 4407177 (1983-10-01), Schmidt et al.
patent: 4539880 (1985-09-01), Barber et al.
patent: 4789148 (1988-12-01), Noguchi et al.
Drawing #AVCN-PD prepared as a proposal by the W. O. Hickok Manufacturing Co. and provided to the assignee of the present invention on Feb. 12, 1988.
Drawing "Eckenstanze" prepared as a proposal by H. J. Durselen KG and provided to the assignee of the present invention on Oct. 3, 1988.

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