UNVULCANIZED RUBBER EXTRUSION MOLDING APPARATUS, UNVULCANIZED RUBBER EXTRUSION MOLDING METHOD, TIRE TREAD PART AND TIRE

PROBLEM TO BE SOLVED: To provide an unvulcanized rubber extrusion molding apparatus capable of enhancing work efficiency and capable of precisely extruding a plurality of kinds of rubbery molding materials, an unvulcanized rubber extrusion molding method, a tire tread part and a tire. SOLUTION: The...

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Bibliographische Detailangaben
Hauptverfasser:	TAKADA YOSHIKUNI, IGARASHI TAKASHI, TAKANO MAMORU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES OR ARRANGEMENTS RELATED TO TYRES 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an unvulcanized rubber extrusion molding apparatus capable of enhancing work efficiency and capable of precisely extruding a plurality of kinds of rubbery molding materials, an unvulcanized rubber extrusion molding method, a tire tread part and a tire. SOLUTION: The unvulcanized rubber extrusion molding apparatus is constituted so as to extrude at least three kinds of rubbery molding materials at the same time to manufacture a molded product comprising a plurality of rubber layers and equipped with insert blocks 9, 10, 12 and 13 corresponding to the rubbery molding materials. The respective insert blocks 9, 10, 12 and 13 are independently mounted on a die holder 7 in a detachable manner. COPYRIGHT: (C)2006,JPO&NCIPI