Assembly and method for cleaning a printing roll

Details Assembly and method for cleaning a printing roll Assembly and method for cleaning a printing roll

B - Operations, Transporting

41

F

B41F 35/00 (2006.01) B41F 31/20 (2006.01) B41F 35/04 (2006.01) B41F 35/06 (2006.01)

Patent

CA 2054343

ABSTRACT A printing press arrangement includes printing units, a dryer and chill rolls used to cool the hot ink and printed web upon exit from the dryer. During operation, condensed ink solvent builds up on the surface of the chill rolls. This build up of condensate is removed by a wiper assembly that is mounted to the printing press. The wiper assembly includes a cloth wrapped sponge-wiper that engages and wipes the exterior surface of the chill roll as the chill roll rotates. The wiper assembly further includes a plurality of nozzles that spray a liquid mist onto the exterior surface of the chill roll. The liquid mist softens the condensate deposits allowing them to be wiped from the exterior surface of the chill roll by the wiper.

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