Tubular body making device and tubular body making method

The invention relates to a tubular body making device which can change the internal diameter of a made tubular body without changing a cooling part. The tubular body making device comprises an extrusion part extruding melted resin materials downwards in a tubular way through a die; a drawing part dr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KANAMORI SHINJI, ITO MOTOHIROSHI, DENCHU NOBOBU, NAKATANI JUNYA, SUZUKI TAKASHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES 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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