Positioning apparatus for printing plates

Geometrical instruments – Gauge – Collocating

Patent

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Details

33286, 33618, 33DIG21, B41B 1100

Patent

active

054887810

ABSTRACT:
The invention relates to an apparatus for positioning flexible printing plates comprising at least two markings on a printing cylinder, a support device for the printing cylinder, a projection device for projecting reference marks on the printing cylinder at a location where the markings will have to come, a display device for displaying the markings and the reference markings, and a positioning table extending substantially horizontal for locating the printing plate to be positioned.

REFERENCES:
patent: 4033259 (1977-07-01), Schuhmann
patent: 4309804 (1982-01-01), Sarka
patent: 4520389 (1985-05-01), Hornschuh
patent: 5058287 (1991-10-01), Harley

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