Device for presetting a cut-off register in a folder of a web-fe

Details Device for presetting a cut-off register in a folder of a web-fe Device for presetting a cut-off register in a folder of a web-fe

1995-03-16

1996-08-20

Eickholt, Eugene H.

Printing

Rolling contact machines

Rotary

101228, 101248, 226 45, B41F 1356

Patent

active

055468594

ABSTRACT:
A device for presetting a cut-off register in a folder of a web-fed printing press, includes a marking device for applying at least one mark in an image-free region between two printed images of a web, a detector for detecting the image-free region on the web, the detector being connected to the marking device for signalling the marking device when the image-free region is detected thereby, the marking device being disposed a defined distance in front of a nip located between cylinders of at least one printing unit, and a device for activating the marking device to apply a mark to the image-free region of the web when a respective output signal of the detector indicates the presence of the image-free region on the web.

REFERENCES:
patent: 2549605 (1951-04-01), Huck
patent: 3808971 (1974-05-01), Staamann
patent: 3870936 (1975-03-01), Coberley
patent: 3955502 (1976-05-01), von Hofe
patent: 4067760 (1978-01-01), Nelson
patent: 4294637 (1981-10-01), Rump
patent: 4361260 (1982-11-01), Hanlan
patent: 4366753 (1983-01-01), Glanz et al.
patent: 4495583 (1985-01-01), Punater
patent: 4512256 (1985-04-01), Schriber et al.
patent: 4885785 (1989-12-01), Reynolds et al.
patent: 5088403 (1992-02-01), Shoji et al.
patent: 5119725 (1992-06-01), Okamuara

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