Apparatus for the production of printing plates

Details Apparatus for the production of printing plates Apparatus for the production of printing plates

1990-10-26

1992-06-23

Hayes, Monroe H.

Photocopying

Contact printing

Exposing on sensitized printing press plate or cylinder

355 97, 355 99, G03B 2704

Patent

active

051247453

ABSTRACT:
In the context of a device for the production of printing plates comprising a printing down station with a plate table and an associated illuminating means, which station has associated with it a foil receiving means formed preferably by a foil cassette for unprinted foil and preferably a receiving cassette for printed foil, in the case of which the foil to be printed onto an unexposed or blank printing plate is able to be taken from a foil receiving means by means of a moving vacuum frame, is able to be moved onto the blank plate on the plate table and after exposure is able to be discharged, preferably into a receiving cassette, a high rate of plate production and a smooth manner of operation without damaging the foils may be ensured if the foil conveying device has a plurality of vacuum frames moving in circuits which are out of phase with each other.

REFERENCES:
patent: 4664510 (1987-05-01), Weag
patent: 4674867 (1987-06-01), Kitai et al.
patent: 5055875 (1991-10-01), Fischer et al.

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