| 摘要 |
PURPOSE:To improve quality of a printed matter by providing an impression cylinder, a plurality of rubber blanket cylinder having circumferences held in contact with the circumference of the impression cylinder, a plurality of plate cylinders having circumferences coming into contact with the circumferences of these rubber blanket cylinder, respectively, a plurality of water supply apparatus being provided on these plate cylinders, respectively, and a plurality of ink supply apparatus also being provided on these plate cylinders, respectively. CONSTITUTION:An impression cylinders 12 is positioned under a transfer cylinder 11 and has a circumference held in contact with the circumference of the transfer cylinder 11, the diameter of the impression cylinder 12 being three times the diameter of the transfer cylinder 11. The impression cylinder 12 is rotatably supported by frame 13 and is driven to be rotated, and the circumference of the impression cylinder 12 is held in contact with blankets wound on a first rubber blanket cylinder 14 and a second rubber blanket cylinder 15. Plate cylinders 16 and 17 are positioned respectively at the upper side and the horizontal side of the first rubber blanket cylinders 14 in such a manner that the circumferences of the plate cylinders 16 and 17 are held in contact with the circumference of the first rubber blanket cylinder 14. Each of the plate cylinders 16 and 17 is provided with an ink supply apparatus for supplying ink to the printing surface of each of the plate cylinders and a water supply apparatus for supplying water to the printing surface of each of the plate cylinders, thereby improving quality of a printed matter. |
