Method and apparatus for applying a film of developer fluid...

Details Method and apparatus for applying a film of developer fluid... Method and apparatus for applying a film of developer fluid...

2006-03-21

2006-03-21

Colilla, Daniel J. (Department: 2854)

Printing

Planographic

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

C101S483000, C430S302000

Reexamination Certificate

active

07013806

ABSTRACT:
The invention relates to the development of lithographic printing plates and comprises the application of a thin film of developer solution to each plate in a controlled manner using a jetting printhead. Sensors and control means activate and deactivate the jetting printhead in response to the presence or absence of a plate. The developer is allowed to dwell on the plate as it is conveyed across a support structure for a sufficient time to allow for percolation into and/or dissolution of the soluble areas of the coating and is then washed off and sent to waste.

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