DIE DEVICE FOR EXTRUSION MOLDING

PURPOSE:To improve the electrical characteristic of a cable connection section by independently controlling the temperatures of multiple heating means provided in the axial direction of a die, and adjusting the temperature distribution in the axial direction of the die. CONSTITUTION:A die 5 is fitte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMAGUCHI KAZUO, KAZAHARU TOYOHIKO, FUJIWARA YASUTAKA, TAMURA YOSHIO
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PURPOSE:To improve the electrical characteristic of a cable connection section by independently controlling the temperatures of multiple heating means provided in the axial direction of a die, and adjusting the temperature distribution in the axial direction of the die. CONSTITUTION:A die 5 is fitted to connection sections of CV cables 1, 1, multiple heating heaters 6, 6... are fitted apart from each other in the axial direction on the outer periphery of the die 5, and individual temperatures can be controlled by a control device 7. The temperature distribution of the die 5 in the axial direction can be adjusted, and the burning or hardening of the polyolefin resin 11 in the die 5 during extrusion can be prevented. The electrical characteristic of the cable connection section can be improved.