Method of lithographic printing without dampening liquid

Details Method of lithographic printing without dampening liquid Method of lithographic printing without dampening liquid

2006-10-17

2006-10-17

Hirshfeld, Andrew H. (Department: 2854)

Printing

Planographic

Processes of lithographic printing

C101S147000, C101S465000, C430S302000, C430S309000

Reexamination Certificate

active

07121204

ABSTRACT:
A method of printing is disclosed which comprises the steps of(i) providing a lithographic printing plate precursor comprising a support and a heat- or light-sensitive coating;(ii) image-wise exposure of the coating to heat or light;(iii) prior to step (ii) or (iv), mounting the lithographic printing plate precursor in a printing unit of a printing press, said printing unit comprising a dampening system and an inking system;(iv) development by supplying a processing liquid to the coating by means of the dampening system, thereby obtaining a lithographic printing plate;(v) printing by supplying single-fluid ink or driographic ink to the lithographic printing plate by means of the inking system.This method allows on-press processing of printing plate materials that require wet processing.

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