| 摘要 |
<p>A carriage supporting a printing or applicator cylinder for use in a machine for the continuous treatment of web is provided with a supplementary doctor blade immediately after the region of contact with the web to clean from the roll any material which may have been transferred onto it from the web, such material having been applied to the web in a preceding stage in the treatment process, thereby avoiding the necessity to dry the web between successive contacts with cylinders; deflector rolls for the web are similarly provided with supplementary doctor blades; all the doctor blades are provided with collection channels for disposing of the material cleaned from the cylinders or rolls.</p> |
