Printing cylinder/roller cleaning apparatus for printing press and method of cleaning printing cylinder/roller

Abstract

A printing cylinder/roller cleaning apparatus for a printing press includes a brush roll, a cleaning cloth, a nozzle, and a scraping member. The brush roll is pressed against the circumferential surface of a rotating printing cylinder/roller to scrape contamination therefrom. The cleaning cloth is provided below the brush roll and pressed against the circumferential surface of the printing cylinder/roller to wipe scraped contamination. The nozzle has a plurality of spray holes to spray a solvent onto the brush roll. The scraping member is engaged with a lower end of the brush roll to cause a waste liquid attaching to the brush roll to drop onto the cleaning cloth. A method of cleaning the printing cylinder/roller is also provided.

Dependencies are inferred from the claim text.