Method of reducing ink electrets in gravure web printing

Details Method of reducing ink electrets in gravure web printing Method of reducing ink electrets in gravure web printing

1992-07-31

1993-04-27

Fisher, J. Reed

Printing

Intaglio

Processes

101489, B41F 902, B41F 506

Patent

active

052052125

ABSTRACT:
A method of gravure printing utilizing electrostatic assist in the transfer of ink from a printing cylinder to a paper web. The potential of electrets formed in dry ink on the web is minimized by operating the last impression roll and cylinder with a DC potential of the polarity opposite that of the preceding impression rolls.

REFERENCES:
patent: 2445271 (1948-07-01), Huebner
patent: 2654315 (1953-10-01), Huebner
patent: 3670203 (1972-06-01), Whitmore, Jr.
Gravure Research Institute Nov. 12, 1963, Burt Zimmerman et al.

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