| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve uniformity of emulsion concentration on water fountain roller. <P>SOLUTION: The printing machine 24 has a printing cylinder 22, the first roller 1, the second roller 2, the third roller 3, the fourth roller 4 and the water fountain roller 16. The first roller 1 directly contacts the water fountain roller 16, the third roller 3 and the fourth roller 4, while the second roller 2 contacts the water fountain roller 16, and the water fountain roller 16 has a roller switching position contacting the priniting cylinder 22. The second roller 2 also contacts the third roller 3 at this roller switching position. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
