Ink key control in a printing press including lateral ink spread

Details Ink key control in a printing press including lateral ink spread Ink key control in a printing press including lateral ink spread

1997-12-23

1999-10-19

Fisher, J. Reed

Printing

Processes

Condition responsive

101365, B41F 3114

Patent

active

059670495

ABSTRACT:
A method is disclosed for correction of the effects of ink back-flow and lateral flow in the inking system of a web-offset printing press. A plate coverage equation dependent on plate coverage is used to compensate for ink back-flow into the ink reservoir. An ink key distribution function is utilized to correct for the blurring effects of lateral ink spread caused by the action of vibrator rollers. A correction is also made for the ink saturation effect. The method is applicable to an ink key preset system.

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