Dampening systems for lithographic printing

Details Dampening systems for lithographic printing Dampening systems for lithographic printing

1994-09-08

1996-06-18

Yan, Ren

Printing

Planographic

Dampeners

101350, B41L 2302

Patent

active

055267432

ABSTRACT:
Apparatus and method are disclosed for lithographic printing whereby the dampening water input from a non-contact source is conveyed to the printing plate as an admixture in the ink by the inking train of rollers and adjuncts thereof having at least four inked roller nips between a dampening water input receiving roller and each inking form roller, the latter thereby also functioning as dampening form rollers.

REFERENCES:
patent: 4278467 (1981-07-01), Fadner
patent: 4461208 (1984-07-01), Ghisalberti
patent: 4527479 (1985-07-01), Dahlgren et al.
patent: 4690055 (1987-09-01), Fadner et al.
patent: 4944223 (1990-07-01), Ishii et al.
patent: 5107762 (1992-04-01), Fadner et al.
patent: 5311815 (1994-05-01), Ijichi
Surface Chemistry Control in Lithography by Thomas A. Fadner Rockwell Graphics Systems, Cicero, Ill. dated Feb. 3, 1982, pp. 347-357.
Heidelberg M-Offset CP Tronic--Brochure pub. Sep. 1990 by Heidelberger Druckmaschinen Aktiengesellschaft.
Heidelberg Speedmaster CD CP Tronic--Brochure pub. Sep. 1990 by Heidelberger Druckmaschinen Aktiengesellschaft.
A Guide to Cardboard Printing--New Lithrone pub. Jul. 1991 by Komori Corporation, Tokyo, Japan.

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