Ink reclamation system

Details Ink reclamation system Ink reclamation system

1987-12-22

1989-04-04

Lieberman, Paul

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

210917, 210774, 210781, 210787, C09D 1102

Patent

active

048182842

ABSTRACT:
An improved method and system for reclaiming waste printing ink is disclosed. The inventive method is characterized by the initial heating and agitation of a quantity of undiluted waste ink. Such heating and agitation is carried out at a temperature and for a period of time sufficient to (a) volatilize water, and/or other liquids contained therein; and (b) reduce the viscosity of the waste ink to a viscosity which is suitable for subsequent processing. After the period of heating and agitation, the waste ink is centrifuged to separate paper lint and other fibrous particulate contaminants from the ink. The reclaimed clarified ink is then blended with virgin ink at a ratio which provides a press-ready reclaimed ink/virgin ink blend. The system of the present invention provides a system of vessels, lines, valves, pumps and attendant apparatus whereby the inventive method may be practiced.

REFERENCES:
patent: 4391638 (1983-07-01), Fusco et al.
patent: 4565638 (1986-01-01), Zucker

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