Scraper blade and ink scavenger for printing presses

Printing – Antismut device – Cleaners

Patent

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Details

101167, B41F 3500

Patent

active

056032633

ABSTRACT:
The present invention relates to a device for removing ink, water and contamination build-up on an ink roller in a printing press. The present invention also relates to a device for scavenging unused ink from an ink roller in a printing press, to allow the return the unused ink to the ink fountain. One embodiment of the invention includes a movable scraper blade having a gap corresponding to the lithographic or printing area of the ink roller. In this embodiment, the blade scrapes ink and/or water off of the ink roller only in the areas adjacent the lithographic or printing area. In another embodiment, a scraper blade is constructed of a series of blade segments, with each blade segment being independently actuatable through an actuator. This embodiment allows the scraping area or areas to be adjusted by simply controlling the appropriate actuators for the blade segments corresponding to the scraping area. The scraped ink can be sent directly back into the ink fountain, can be purified before being directed to the ink fountain, or can be disposed.

REFERENCES:
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patent: 4254709 (1981-03-01), Arnolds
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patent: 4922820 (1990-05-01), Grossmann et al.
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"News From Baldwin" by Baldwin Technology Corporation, 7 pages, 1987.

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