| 摘要 |
PURPOSE:To obtain an etching device for a press doubly used as a paper plate wherein operations can be automated, its structure is simple and miniaturized, and it can be easily annexed also to an existing machine. CONSTITUTION:A roller unit 9 having a pair of rollers 10, 11 which are opposed to each other, a shower pipe 20 which is arranged near the roller unit 9 to drip etching solution onto the rollers 10, 11, and an actuator 21 which brings one piece of the roller 10 into contact to a printing plate 2 wound around a plate cylinder 1 by transferring the roller unit 9, are provided. |
