| 摘要 |
PURPOSE:To prevent the stain of a plate cylinder and a blanket cylinder and the damage of the surface of a lithographic plate by arranging an automatic plate-feeding device, an inking device and an automatic plate-removing device in this order in the direction of the rotation of the plate cylinder in the printer wherein a dry type lithography is used. CONSTITUTION:The plate cylinder 1 and 1' provided with the dry type lithographic plate 2 formed of a flexible substrate removably on the surface thereof are arranged removably on the blanket cylinder 3, while the automatic plate-feeding device 11 or 11', the inking device 5 or 5' and the automatic plate-removing device 12 or 12' are arranged in this order along the direction of the rotation of the plastic cylinder 1, 1'. The automatic plate-feeding device 11 or 11', the inking device 5 or 5' and the automatic plate-removing device 12 or 12' are arranged at angles or alpha, alpha', which are 90 deg. or less, to the center of the blanket cylinder 3, while a impression cylinder 4 is arranged removably on the blanket cylinder 3 through the intermediary of a printing medium 9. By this constitution, the stain by ink of the surface of the blanket cylinder due to the shaking of the lithographic plate after being fed can be prevented. |
