Ink separating unit for flexo printing machinery

Details Ink separating unit for flexo printing machinery Ink separating unit for flexo printing machinery

1986-10-21

1988-07-05

Burr, Edgar S.

Printing

Multicolor

Inkers

101210, 101208, B41F 3104

Patent

active

047547014

ABSTRACT:
To permit separating a flexograph ink trough, and flexograph ductor or trough roller into axial zones for respectively differently colored inks, a separating plate is located beneath the doctor blade which has a sealing element (7) attached thereto, resiliently engaging the underside of two doctor blades (2, 3), facing the ductor or trough roller (1) from different directions to permit operation of the ductor or trough roller (1) in either direction of rotation. A low-friction surface is applied to the edge which faces the ductor or trough roller, the sealing element spanning the space between the doctor blades and being matched to the circumference of the ductor or trough roller. The doctor blades extend axially beyond the sealing elements. The separating plates and sealing elements can be mounted on units which are axially positionable along an ink trough, and hence the ductor or trough roller, at selected positions, as required by the axial extent of differently colored inking zones.

REFERENCES:
patent: 3073240 (1963-01-01), Tyma, Jr. et al.
patent: 3198113 (1965-08-01), Feller
patent: 3585932 (1971-06-01), Granger
patent: 3831517 (1974-08-01), Wagner
patent: 4165688 (1979-08-01), Leanna et al.
patent: 4461211 (1984-07-01), Wesselmann et al.
patent: 4559871 (1985-12-01), Kutzner et al.
patent: 4667595 (1987-05-01), Geretzki

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