| 摘要 |
<p>1,255,594. Coating. POLYTYPE A.G. 12 Jan., 1970 [10 Jan., 1969], No. 1423/70. Heading D1L. Webs are coated with a material 6 by contact with a patterned roller 1, fed with coating material from a vessel 2 movable parallel to the longitudinal axis of the roller, the coating thickness controlled by a doctor blade 3, adjustable by means of screws 7, acting on the roller as shown. The coating material is heated by heaters 11 and 12 and can be of a high viscosity.</p> |
