Patent ID: 8302532
Filing Date: 2012-11-06
Classification: B41F

Abstract:
1. A printing machine comprising: an ink fountain member having a fountain-forming face; an ink fountain roller for applying ink to an outer peripheral surface through an ink channel between the ink fountain roller and the ink fountain member; a plurality of rollers for supplying the ink applied to the outer peripheral surface of the ink fountain roller to a printing portion; a strip of sheet placed over the ink fountain member so as to cover the fountain-forming face with the middle portion of the strip of sheet being in intimate contact with the fountain-forming face; a sheet moving device for moving the strip of sheet in the length direction; a pair of barrier plates attracted to the fountain-forming face from above the sheet and attracted to the outer peripheral surface of the ink fountain roller by a permanent magnet to form side walls of the ink fountain; a cleaning tank disposed close to the lower part of the ink fountain roller; a cleaning blade arranged in the cleaning tank; and a reciprocating device for switching the cleaning blade between a cleaning position being in pressing contact with the outer peripheral surface of the ink fountain roller and a stand-by position being away from the ink fountain roller; characterized in that the printing machine further comprises: