Method for regulation of a web elongation in a rotary print...

Printing – Processes – Condition responsive

Reexamination Certificate

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Details

C101S181000, C101S481000, C101SDIG042, C226S028000, C700S125000

Reexamination Certificate

active

07040231

ABSTRACT:
Tension of a web in a rotary printing press is regulated. The web passes through at least two printing groups in the printing press. A change in the extension of the web during the print run is determined based on a phase shift between a first phase position of a printing group and a second phase positioned measured after a last printing group. The change in phase position is compensated for by a change in the web tension prior to the first printing group.

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patent: 2001/0011508 (2001-08-01), Theuner
patent: 92 18 978 (1996-08-01), None
patent: 0 950 519 (1999-10-01), None
patent: 0 951 993 (1999-10-01), None

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