Apparatus for making a lithographic printing plate with reinforc

Details Apparatus for making a lithographic printing plate with reinforc Apparatus for making a lithographic printing plate with reinforc

1980-04-21

1982-06-15

Griffin, Donald A.

Photocopying

Contact printing

Machine

101467, 430156, G03F 708, G03B 2730, B41M 500

Patent

active

043347690

ABSTRACT:
Lithographic printing plates are made by exposing to actinic light a lithographic plate having a water soluble light sensitive layer thereon to form an image in said layer. A solvent soluble, UV curable material is adhered to the image in said layer. The plate is developed before or after applying the UV curable material. 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.

REFERENCES:
patent: 3145104 (1964-08-01), Oster et al.
patent: 3520606 (1970-07-01), Gush et al.
patent: 3682636 (1972-08-01), Krueger
patent: 3905815 (1975-09-01), Bonham
patent: 3936853 (1976-02-01), Mart
patent: 3981583 (1976-09-01), Tsuchida et al.
patent: 4020762 (1977-05-01), Peterson
patent: 4038253 (1977-07-01), Kramer
patent: 4042613 (1977-08-01), Takamizawa et al.
patent: 4232105 (1980-11-01), Shinohara et al.

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