| 摘要 |
<p>The invention relates to a nozzle and method for use in the coating of a web-like material by means of high-pressure spraying techniques and to a method for coating web-like material using such a nozzle. The nozzle comprises a preliminary nozzle (2) and a secondary nozzle (1), the area of the flow orifice of the preliminary nozzle (2) being at the most 1.1 times the transverse area of the flow orifice of the secondary nozzle (1).</p> |
