| 摘要 |
<p>The specification describes an apparatus for the continuous reverse-coating of sheet-form material, comprising a driven drum with a covering of glass-fibre-reinforced plastic, a metal reinforcing belt and an optionally smooth or profiled plastics surface. The drum, which is heated by an external heating system to between about 70 and 100.degree.C, is preceded by tension rollers, a magazine for sheet-form material and an offwinding unit, associated with at least two mobile, infinitely variable intensive heating stages and with separate, jointly driven feed systems for the reaction mixture and release agent, with a doctor for the reaction mixture and with a distributor for the release agent, and followed by a take-off unit consisting of rollers, a trimming unit and a winding unit.</p> |
