Elimination of ink splattering due to static friction in rotogra

Details Elimination of ink splattering due to static friction in rotogra Elimination of ink splattering due to static friction in rotogra

1984-02-13

1986-09-02

Fisher, J. Reed

Printing

Intaglio

Processes

101153, B41F 900

Patent

active

046089241

ABSTRACT:
The splattering of ink droplets in rotogravure printing onto plastic film is eliminated by an improved rotogravure process. There is applied to the surface of the rubber impression cylinder, a coating of a polymeric substrate which is triboelectrically more positive than the plastic film which is to be printed. When the coated impression cylinder makes contact with the plastic film, a negative charge is triboelectrically imparted to said film, thereby eliminating the static attraction between the film and the negatively charged ink.

REFERENCES:
patent: 2654315 (1953-10-01), Huebner
patent: 3060853 (1962-10-01), Remer
patent: 3909469 (1975-09-01), Miller
patent: 3976719 (1976-08-01), Labana et al.
Reference Encyclopedia of Flexographic Equipment and Supplies, Robert P. Lung, North American Publ. Co., Philadelphia, Penn., 1974, pp. 101-103.

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