Method for gumming a lithographic printing plate

Details Method for gumming a lithographic printing plate Method for gumming a lithographic printing plate

2011-05-10

2011-05-10

Kornakov, Michael (Department: 1712)

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

C427S256000, C427S258000, C427S261000, C427S271000, C427S277000, C427S278000, C427S287000, C101S453000, C101S454000, C101S459000, C101S463100, C101S464000

Reexamination Certificate

active

07939134

ABSTRACT:
A method for gumming a lithographic printing plate includes the steps of a) providing a lithographic printing plate including a lithographic image consisting of printing areas and non-printing areas, and b) jetting a gum solution with an inkjet printer to produce a hydrophilic protective layer on the non-printing areas. An inkjet printer includes a gum solution for producing a hydrophilic protective layer on the non-printing areas and a fluid for the formation of the printing areas of a lithographic image on a lithographic printing plate precursor.

REFERENCES:
patent: 2004/0051768 (2004-03-01), DeBoer et al.
patent: 1366898 (2003-12-01), None
patent: 1 524 113 (2005-04-01), None
Official communication issued in the International Application No. PCT/EP2006/069293, mailed on Feb. 6, 2007.

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