A rubbering system to eliminate the ink of the surfaces recorded from sweet size printing. (Machine-translation by Google Translate, not legally binding)

摘要

A rubbing system for removing the ink from the engraved surfaces of short-press printing presses, which system comprises at least one rotating rubbing cylinder having a surface adapted to adjust with said engraved surface, a bath containing aqueous solvent essentially consisting of in 0 to 5 weight percent of a strong base, 2 to 10 weight percent of a detergent and 0.3 to 10 weight percent of a wetting agent, the bath being at a temperature between 30º and 80º. (Machine-translation by Google Translate, not legally binding)