Method and apparatus for the manufacture of printing plates

Details Method and apparatus for the manufacture of printing plates Method and apparatus for the manufacture of printing plates

1975-11-05

1977-02-08

Miller, Jr., George H.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14, 355 73, G03G 1500, G03G 1300, G03B 2760

Patent

active

040069842

ABSTRACT:
A method and apparatus for the manufacture of printing masters by electrophotographic means in which the unexposed printing masters are placed in the apparatus in a printing master holder and undergo electrostatic charging, image exposure, development, drying and discharging from the apparatus mechanically. The apparatus provides a charging device, a lighting device for indirect illumination of an original, an imaging device for projecting the image of the original in a preselected scale onto the printing master, and transportation, development, and drying means.

REFERENCES:
patent: 2945434 (1960-07-01), Eichler et al.
patent: 3091219 (1963-05-01), Crumrine et al.
patent: 3218950 (1965-11-01), Liedl et al.
patent: 3330555 (1967-07-01), Shearer et al.
patent: 3580674 (1971-05-01), Schunck
patent: 3634006 (1972-01-01), Hollwedel, Jr.

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