Roller e.g. screen roller, coloring device for use in rotary printing press, has operating doctor blades with two laterally arranged color outlets that are oppositely arranged in laterally inverted manner

摘要

The device has two operating doctor blades (5, 6) that are arranged axially parallel to a roller and in a rotating direction of the roller one after the other. The doctor blades have two laterally arranged color outlets that are oppositely arranged in a laterally inverted manner. A color inlet (7) is arranged opposite to the color outlet of the operating doctor blade (5), and a closing scrapper (4) is provided on the doctor blades.