INSTRUMENTATION FOR CO-EXTRUDING RUBBER MIXTURES

The invention concerns a process and apparatus for the coextrusion of rubber mixtures, comprising a main extruder ( 1 ) with an extrusion head ( 10 ) having at least two flow channels ( 14, 15 ), each for a rubber mixture (A, B), the channels opening into an extrusion orifice ( 18 ) through which th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MARECHAL, BERNARD, CALVAR, DIDIER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES OR ARRANGEMENTS RELATED TO TYRES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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