Method and device for the controlled transfer of printing ink

Details Method and device for the controlled transfer of printing ink Method and device for the controlled transfer of printing ink

1998-08-14

2000-09-05

Asher, Kimberly

Printing

Inkers

Roller

10135206, B41F 3100

Patent

active

061126608

ABSTRACT:
Ink is accurately metered in the defined transfer thereof from a fountain roller to a first ink roller in a printing unit. A ductor roller is swiveled back and forth between the ink fountain and the ink roller with a swivel mechanism. The swivel mechanism is driven independently of a main drive of the printing unit and with a discontinuous drive. Several parameters are thereby individually adjusted, among them a phase relationship between the ductor roller and a plate cylinder of the printing unit, a number of ductor beats per revolution of the cylinders of the printing unit, and a contact time of the ductor roller at the fountain roller and a contact time of the ductor roller at the first ink roller.

REFERENCES:
patent: 3688696 (1972-09-01), Treff
patent: 3765328 (1973-10-01), Treff et al.
patent: 4524692 (1985-06-01), Rodvelt
patent: 4632029 (1986-12-01), Simeth
patent: 5566613 (1996-10-01), Stoffler

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