ROTARY PRESS AND METHOD FOR ADJUSTING PRINTING PITCH LENGTH THEREOF

Japanese Patent JP3887334

B2

PROBLEM TO BE SOLVED: To provide a rotary press which is equipped with a plurality of printing units and which enables the adjustment of the printing pitch lengths of all the printing units, and a method for adjusting the printing pitch length of the rotary press.
SOLUTION: This rotary press is equipped with: the plurality of printing units 21-26; a plurality of register mark detectors 151-156 which are provided in the respective printing units so as to detect a register mark printed by a plate cylinder of the printing unit; a printing pitch length measuring means for measuring the printing pitch length between detection signals which are output from the respective register mark detectors; a determination means for determining whether or not the measured printing pitch length of each of the printing units falls within tolerance of a specified printing pitch length; and a printing-pitch-length variable means for changing the speed of the plate-cylinder driving motor of the printing unit, when it is determined that the measured printing pitch length of any one of the printing units goes out of the tolerance of the specified printing pitch length.

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JP2002019979	STENCIL PRINTING DEVICE
WO/1999/065682	DEVICE TO COMPENSATE FOR PRINT MISREGISTER DUE TO PAPER DISTORTION ON WEB OFFSET PRINTING PRESSES

Makoto Hayashi
Tomomi Hirata

JP2003054248A

February 28, 2007

February 28, 2003

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Toshiba Machine Co., Ltd.

B41F33/06; B41F33/14; (IPC1-7): B41F33/14; B41F33/06

JP63091251A
JP11129452A
JP2172745A
JP6023971A
JP5104701A
JP3009844A

Kinoshita Minoru
Kanji Nakayama
Tsuyoshi Ishizaki

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