Process for filmless production of a printing form

Details Process for filmless production of a printing form Process for filmless production of a printing form

1990-06-04

1992-03-10

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430396, 101467, G03F 700

Patent

active

050949330

ABSTRACT:
A process for filmless production of a ready-to-print printing form and for using it in an offset printing press includes exposing a printing form sensitive in an emission range of light-emitting diodes to an image in an exposure unit by means of a computer-controlled LED bar, passing the exposed printing form through a developing stage wherein the printing form is developed, and then feeding-in the printing form via a high-speed feeding-in device for printing forms, and positioning the fed-in printing form on a plate cylinder; and apparatus for performing the process.

REFERENCES:
patent: 3678852 (1972-07-01), Feinleib et al.
patent: 3952311 (1976-04-01), Lapeyre
patent: 4435064 (1984-03-01), Tsukada et al.
patent: 4876569 (1989-10-01), Nishitoku
patent: 4919045 (1990-04-01), Okudo et al.

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