| 摘要 |
In an offset printing press a dampening water communication path 17 which brings an inking unit 4 and a dampening unit 5 in and out of communication so that they can come in and out of contact with each other. The dampening water communication path comprises a plurality of rollers including an oscillating roller 14 in rotational contact with an ink distributing roller 8 and an oscillating roller 16 in rotational contact with a dampening roller 10, and a roller interposed between them is a bridging roller 15 in rotational contact with one of these adjoining rollers and capable of coming in and out of contact with the other. |
