| 摘要 |
A liquid supply apparatus which can supply a liquid from a liquid supply cylinder to a sheet, held on an impression cylinder, satisfactorily at a low cost even at a high speed is provided. The liquid supply apparatus comprises: an impression cylinder (40) supported rotatably and having a notch portion (40a) formed in an outer peripheral surface thereof; a gripper device (41) disposed within the notch portion of the impression cylinder for holding a sheet (1); and a rotary screen device (27) including a hollow cylinder (50) supported rotatably and supporting a screen (55) having holes formed in a circumferential portion thereof, and a squeegee (51) located within the hollow cylinder, and making a sliding contact with an inner peripheral surface of the screen for supplying special ink or the like, stored inside the screen, to the sheet held by the gripper device through the holes of the screen, the rotary screen device further including: a squeegee guide (52) supported in the hollow cylinder such that curved surfaces formed at least at opposite end portions of the squeegee guide communicate with the inner peripheral surface of the plate material.
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