| 摘要 |
<p>In a printing press a paper web (2) is lead over guide rollers (3). In order to clean these rollers the position of each of them is determined, whereupon the web in continuous motion is centrally provided by means of an applicator (5) with a length of washing solution and is transferred to the rollers, and each roller is braked pulsewise, when an appropriate part of the length reaches it. <IMAGE></p> |
