Patent ID: 6505556
Filing Date: 2003-01-14
Classification: B41F

Abstract:
In a rotary printing press for production of multiple-page printings, the press including at least one plate cylinder having a plurality of predefined plate-mounting positions for having as many printing plates mounted thereto, and a plate maker for making a set of printing plates to be mounted to the plate-mounting positions on the plate cylinder, a plate-making and -mounting control system comprising:(a) an assignment controller for providing, in response to inputting of a required set of printing directions for each printing job, ASSIGNMENT INFO indicative of how a set of printing plates to be made for the job are assigned to the plate mounting positions on the plate cylinder; (b) a plate-maker controller for controlling a plate maker making the set of printing plates and for providing CONTENTS INFO indicative of the matter to be printed by each printing plate being made by the plate maker; (c) a printer controller for providing POSITION INFO indicative of a desired plate-mounting position on the plate cylinder to which each printing plate being made by the plate maker is to be mounted, in response to the ASSIGNMENT INFO from the assignment controller and the CONTENTS INFO from the plate-maker controller; (d) a printer for printing, under the control of the printer controller, the POSITION INFO on each printing plate that has been made by the plate maker; (e) reader means for reading the POSITION INFO printing on each printing plate after the latter has been mounted to the plate cylinder, and for putting out the POSITION INFO reading recovered from each printing plate, together with READER INFO indicative of an actual plate-mounting position on the plate cylinder to which that printing plate is mounted; and (f) judgment means for judging whether each printing plate is mounted to a correct plate-mounting position on the plate cylinder, on the bases of the POSITION INFO reading and the READER INFO fed from the reader means.