Continuous web printing press with page cutting control apparatu

Details Continuous web printing press with page cutting control apparatu Continuous web printing press with page cutting control apparatu

1994-02-28

1995-10-17

Eickholt, Eugene H.

Printing

Processes

Position or alignment

101226, 101227, B41F 2700

Patent

active

054580625

ABSTRACT:
A printing press with a page cutting control apparatus (11) for controlling cut-off registration in a rotary printing press (10) includes markers (30, 32, 51, 53) for printing reference marks (36) on webs (20, 23) with magnetizable ink having magnetic particles therein, magnetizers (62, 64, 65, 67) for magnetizing the reference marks, sensors (121-124) for magnetically detecting the reference marks, and a controller (140) for changing the web length in response to the detecting.

REFERENCES:
patent: 3237973 (1966-03-01), Rumberger
patent: 3827355 (1974-08-01), Hamisch, Sr.
patent: 4067760 (1978-01-01), Nelson
patent: 4294637 (1981-10-01), Rump
patent: 4296176 (1981-10-01), Lennon et al.
patent: 4719855 (1988-01-01), Cannon et al.
patent: 4898094 (1990-02-01), Doumoto et al.
patent: 5134932 (1992-08-01), Fujiwo
patent: 5178063 (1993-01-01), Wolfberg et al.
patent: 5289770 (1994-03-01), Hern

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