Device for presetting a cut-off register in a folder of a web-fed printing press
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United States of America Patent
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Aug 20, 1996
Issued Date -
N/A
app pub date -
Mar 16, 1995
filing date -
Sep 18, 1992
priority date (Note) -
Expired
status (Latency Note)
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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.
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