Ink duct for offset or letterpress printing machines

Details Ink duct for offset or letterpress printing machines Ink duct for offset or letterpress printing machines

1982-07-07

1984-11-06

Burr, Edgar S.

Printing

Inkers

Roller

152565, 101365, 101425, 118261, B41F 3102

Patent

active

044805470

ABSTRACT:
Ink duct assembly for offset or letterpress printing machines having an ink duct and a rotary duct roller defining an ink gap therebetween and an ink metering unit for adjusting the ink gap, respectively, zonewise in axial direction of the duct roller, includes an elastic foil, the ink metering unit being covered by the elastic foil and being engageable through the intermediary of the elastic foil with the duct roller, and means disposed in an upper region of the ink duct for retaining the foil against frictional force of the rotary duct roller and for displacing the elastic foil in rotary direction and opposite the rotary direction of the duct roller.

REFERENCES:
patent: 915088 (1909-03-01), Ford
patent: 2382103 (1945-08-01), Sandman
patent: 3335663 (1967-08-01), Harenza
patent: 3536009 (1970-10-01), Boehm
patent: 3727551 (1973-04-01), Kostas et al.
patent: 4242958 (1981-01-01), Jeschke
patent: 4344360 (1982-08-01), Jeschke et al.

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