Method of ink control in a printing press

Details Method of ink control in a printing press Method of ink control in a printing press

1991-05-28

1992-06-16

Teska, Kevin J.

Boots, shoes, and leggings

101211, 101DIG45, 101DIG47, 364526, 364558, G06F 1546

Patent

active

051229773

ABSTRACT:
Method of ink control in a printing press, includes optically measuring fields on sheets printed by the printing press, comparing an actual ink location for each measuring field, which is attained with the aid of the scanning, with a specified setpoint ink location and controlling inking elements of the printing press so as to reduce deviations in inking. The method further includes calculating film thickness/densities of printing inks required for attaining the setpoint ink location by using the actual ink location and the setpoint ink location; adjusting the inking elements of the printing press in accordance with the calculated film thicknesses/densities, when the setpoint ink location or an ink location within a specified tolerance range about the setpoint ink location is attained, indicating the non-attainment of the setpoint ink location or of the tolerance range about the setpoint ink location, and making a manual input before adjusting the inking elements and subsequently producing a printed sheet and/or further computing film thicknesses/densities.

REFERENCES:
patent: 4488808 (1984-12-01), Kato
patent: 4648048 (1987-03-01), Dorn et al.
patent: 4649502 (1987-03-01), Keller et al.
patent: 4660159 (1987-04-01), Ott
patent: 4665496 (1987-05-01), Ott
patent: 4667596 (1987-05-01), Dotzel et al.
patent: 4706206 (1987-11-01), Benoit et al.
patent: 4752892 (1988-06-01), Lecha

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