Ink conditioning device for removing excess water from emulsions

Details Ink conditioning device for removing excess water from emulsions Ink conditioning device for removing excess water from emulsions

1989-10-23

1991-09-03

Crowder, Clifford D.

Printing

Planographic

Rotary machines

101148, 101350, 101451, 210542, B41F 720

Patent

active

050442740

ABSTRACT:
A device for removing excess water from an aqueous emulsion of lithographic printing ink comprises a pair of rollers co-operating together to form a nip. Emulsified ink is fed to the nip and is broken down into an ink phase and an aqueous phase by the pressure exerted by the nip. The aqueous phase is displaced away from the ink phase by gas jets. The ink phase remains on the surface of one of the rollers and is removed and returned to the printing press.

REFERENCES:
patent: 2395151 (1946-02-01), Sodomka
patent: 2604848 (1952-07-01), Mullen
patent: 2733653 (1956-02-01), Mullen
patent: 4211167 (1980-07-01), Corse
patent: 4527479 (1985-07-01), Dahlgren et al.
patent: 4787314 (1988-11-01), Harada et al.
patent: 4864925 (1989-09-01), Van Kanegan et al.
Patent Abstracts of Japan, Publication No. 59106969.
Vol. 10, No. 155 (M-485) [221], Jun. 4, 1986.
Vol. 11, No. 258 (M-618) [2705], Aug. 21, 1987.

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