Printing – Rolling contact machines – Rotary
Reexamination Certificate
2005-01-04
2005-01-04
Colilla, Daniel J. (Department: 2854)
Printing
Rolling contact machines
Rotary
C101S226000, C101S227000, C101S228000, C101S485000
Reexamination Certificate
active
06837159
ABSTRACT:
A device for positioning a cross cut relative to printed images on at least one printing material web in a web-fed press having at least one printing unit, includes a cross cutter. Also included is a computing device for generatingtherein at least a first control signal for changing a phase angle of the printing unit and the cross cutter relative to one another. A path length variation device for changing a path length through which the printing material web runs between the printing unit and the cross cutter is also included. The computing device further serves for generating a second control signal for changing the path length and, by interaction of the change in the relative phase angle and the change in the path length, serves for adjusting the positioning of a cross cut on the printing material web. A web-fed printing press includes the cross-cut positioning device. A method for operating the device is also provided.
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Elkotbi Cherif
Robert Jean-Francois
Colilla Daniel J.
Goss International Montataire S.A.
Greenberg Laurence A.
Hamdan Wasseem H.
Locher Ralph E.
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