EXTRUDER

An extruder includes a cylinder and a screw accommodated in the cylinder. An inner peripheral surface of the cylinder includes a first groove formed region 22e and a second groove formed region 22f each of which has a groove formed therein. In the first groove formed region 22e, a height of a mounta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ISHIDA, Shoichi
Format:	Patent
Sprache:	eng ; fre ; ger
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:	An extruder includes a cylinder and a screw accommodated in the cylinder. An inner peripheral surface of the cylinder includes a first groove formed region 22e and a second groove formed region 22f each of which has a groove formed therein. In the first groove formed region 22e, a height of a mountain portion 22g forming a groove 22d is constant. At least a part of the second groove formed region 22f overlaps a material feed port 22a when viewed from a circumferential direction, and a height of a mountain portion 22g forming a groove 22d in the second groove formed region 22f is lower than the height of the mountain portion 22g of the first groove formed region 22e.