Patent ID: 7219605
Filing Date: 2007-05-22
Classification: B41F,B41P

Abstract:
1. An apparatus for cleaning a cylinder in a printing press with cleaning liquid being supplied, the cylinder including an outer surface to which impurities are adhered, the impurities being removed from the outer surface when cleaning, the apparatus comprising: a spray bar into which the cleaning liquid is directed with pressure, the spray bar comprising tube means which includes nozzle holes formed therein for spouting the cleaning liquid, the tube means being formed of elastic material and elastically deformed by the pressure of cleaning liquid to open the nozzle holes and spout the cleaning liquid, the tube means being elastically restored, when the cleaning liquid is not directed with pressure into the spray bar, to close the nozzle holes, said elastic material comprising polyurethane, nylon or silicon rubber, wherein the tube means comprises a plurality of tubes including the nozzle holes formed therein respectively, the tubes being arranged side by side and joined integrally with each other; a brush roller by which the impurities are removed from the outer surface of the cylinder, at least one of the tubes including the nozzle holes orientated toward the brush roller for spouting the cleaning liquid thereon; and a flipper bar extending parallel to the brush roller, the flipper bar including a rigid portion brought into contact with the brush roller, at least one of the tubes including the nozzle holes orientated toward the rigid portion for spouting the cleaning liquid thereon.