Process and device for producing coated moldings

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PAWLIK WOLFGANG, BERGHAHN FRANK, WIRTH JURGEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS MAKING GRANULES OR PREFORMS NOZZLES PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	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 ofa gas flow.