Apparatus and process for making lithographic printing plate wit

Details Apparatus and process for making lithographic printing plate wit Apparatus and process for making lithographic printing plate wit

1980-04-21

1982-07-06

Griffin, Donald A.

Photocopying

Contact printing

Machine

1014631, 430156, 430269, 430328, G03B 2730, B41M 500, G03F 702, G03C 176

Patent

active

043380077

ABSTRACT:
Lithographic printing plates are made by exposing to actinic light a lithographic plate having a water soluble light sensitive layer thereon and a coating of a solvent soluble, UV curable material thereover to form an image in the light sensitive layer and adhere said layer to the overlying UV curable material. The plate is developed with water to remove light sensitive layer and overlying UV curable material in the non-image areas, and the plate is exposed to UV source having an intensity greater than the imaging light to form a press-ready plate having a durable, reinforced cured image thereon.

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patent: 3905815 (1975-09-01), Bonham
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patent: 4038253 (1977-07-01), Kramer
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patent: 4104072 (1978-08-01), Golda et al.
patent: 4178097 (1979-12-01), Sara
patent: 4232105 (1980-11-01), Shinohara et al.
Chem. Abstracts, vol. 83, 1975.
Research Disclosure, No. 142, Feb. 1976.
Kodak et al: "Increasing Press Life of Lithio Plates".

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