Extruder and cylinder exchanging method thereof

In an extruder of the invention, a screw receiving portion penetrates through a cylinder from one connection surface to the other connection surface thereof and the connection surface of the cylinder is connected to the connection surface of other cylinder, a key groove for positioning the other cyl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE HIROFUMI, KODATE KAZUHIRO
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:	In an extruder of the invention, a screw receiving portion penetrates through a cylinder from one connection surface to the other connection surface thereof and the connection surface of the cylinder is connected to the connection surface of other cylinder, a key groove for positioning the other cylinder and a recess having a taper surface are formed in at least one of outer wall surface of the cylinder except the connection surface thereof, and a wedge portion of a connection member is pressed into the recess to connect adjacent cylinders.