| 摘要 |
<p>The invention relates to a method and a device for producing molded pieces containing a polyurethane layer in an injection operation in which the reactive components are mixed in a cylindrical mixing chamber (10), whereupon the obtained reactive mixture flows through a duct (12), is sprayed onto the surface of a substrate (18), and cures thereupon, and the duct is subsequently cleaned by means of a gas flow.</p> |
