Method and apparatus for plate changing in a plate cylinder...

Details Method and apparatus for plate changing in a plate cylinder... Method and apparatus for plate changing in a plate cylinder...

2005-12-13

2005-12-13

Yan, Ren (Department: 2854)

Printing

Print plate feeding or delivering

C101S484000, C101S247000

Reexamination Certificate

active

06973876

ABSTRACT:
A plate changing method and an apparatus for rotating all plate cylinders of a plurality of printing units by a drive device, and performing plate changing by plate changing unit provided in correspondence with the plate cylinders has an abnormality detection step of detecting presence or absence of a plate changing abnormality by detectors provided in correspondence with the plate cylinders, a step of stopping the drive device when the plate changing abnormality is detected in the abnormality detection step, a return step of controlling at least one of the drive device and the plate changing unit of a normal unit, other than an error unit in which the plate changing abnormality has been detected, in accordance with the status of progress of plate changing in the normal unit after the stop step, and an error elimination step of eliminating the plate changing abnormality in the error unit after the stop step.

REFERENCES:
patent: 5983793 (1999-11-01), Volz et al.
patent: 6598528 (2003-07-01), Nakano et al.
patent: 6814003 (2004-11-01), Tobe et al.
patent: 1348551 (2003-10-01), None
patent: 59-042957 (1984-03-01), None
patent: 2704558 (1997-10-01), None
patent: 11-170486 (1999-06-01), None

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