Patent ID: 9718223
Date: 2017-08-01
CPC Classifications: B05B,B05C,B05D,B29C,B29K

Claim:
1. A process for producing a composite element, comprising applying a foaming reaction mixture to a moving covering layer with an apparatus, the apparatus comprising: an accommodation element; at least two casting rakes movably attached to the accommodation element, each casting rake having a tubular hollow body which extends along a central axis and has each casting rake having at least two outlet openings for exit of the foaming reaction mixture; and at least two joints by means of which the casting rakes are arranged movably on the accommodation element, each joint connecting a casting rake to the accommodation element; wherein the at least two casting rakes concurrently apply the foaming reaction mixture to the moving covering layer; wherein the at least two casting rakes and the covering layer move relative to one another along a longitudinal axis parallel to the direction of motion of the covering layer; and wherein the casting rakes are directed at an angle of ≦80° relative to the longitudinal axis.