Development process on a press of planographic printing...

Details Development process on a press of planographic printing... Development process on a press of planographic printing...

2006-02-07

2006-02-07

Evanisko, Leslie J. (Department: 2854)

Printing

Planographic

Lithographic plate making, and processes of making or using...

C101S467000, C101S450100, C430S302000, C430S309000

Reexamination Certificate

active

06994028

ABSTRACT:
Disclosed is a developing process on a press of a planographic printing plate material comprising a hydrophilic layer and an image formation layer, which is capable of being developed with water or capable of being developed on a press, the process comprising the steps of (a) supplying dampening water to the planographic printing plate material with a recorded image mounted on a plate cylinder of a press by bringing a dampening roller into contact with the planographic printing plate material while rotating the plate cylinder, and (b) then supplying ink to the planographic printing plate material by bringing an ink roller into contact with the planographic printing plate material to remove an image formation layer unnecessary for printing, wherein in the step (a), the supplied amount of the dampening water is varied.

REFERENCES:
patent: 6030750 (2000-02-01), Vermeersch et al.
patent: 6096481 (2000-08-01), Vermeersch et al.
patent: 2003/0172828 (2003-09-01), Tabuchi et al.
patent: 2004/0187720 (2004-09-01), Naniwa et al.
patent: 0 770 494 (1997-05-01), None
patent: 1 287 986 (2003-03-01), None
patent: 09-123387 (1997-05-01), None

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