MOUTHPIECE STRUCTURE FOR COMPOSITE EXTRUSION-MOLDING

MOUTHPIECE STRUCTURE FOR COMPOSITE EXTRUSION-MOLDING

PROBLEM TO BE SOLVED: To eliminate a thermal effect between a mouthpiece for rubber and a mouthpiece for resin without inserting a heat-insulating material. SOLUTION: A small diameter protruding section 13 is formed on the front surface of a mouthpiece 5 for rubber from the mouthpiece 5 for rubber e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUGA HAJIME, ARAMAKI MICHIAKI
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To eliminate a thermal effect between a mouthpiece for rubber and a mouthpiece for resin without inserting a heat-insulating material. SOLUTION: A small diameter protruding section 13 is formed on the front surface of a mouthpiece 5 for rubber from the mouthpiece 5 for rubber extrusion and a mouthpiece 9 for resin extrusion, which are closely joined to each other, and the mouthpiece 5 for rubber is closely joined to the mouthpiece 9 for resin only by the area of the small diameter protruding section 13 which is a minimum necessity. By forming a temperature adjusting passage on the small diameter protruding section 13, and making a cooling medium flow through the temperature adjusting passage, the mouthpiece 5 for rubber is forcibly cooled.