Kneading degree adjusting mechanism, extruder, continuous mixer, kneading degree adjusting method, and kneading method

A kneading degree adjusting mechanism is installed in a processing apparatus having a barrel and a kneading screw inserted into the barrel rotatably, the kneading screw having a kneading section and rotating within the barrel to knead a material continuously while feeding the material from an upstre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yamaguchi Kazuo, Takahashi Katsunori, Fukutani Kazuhisa, Orimo Taiji, Yamada Sayaka, Yamane Yasuaki
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS 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:	A kneading degree adjusting mechanism is installed in a processing apparatus having a barrel and a kneading screw inserted into the barrel rotatably, the kneading screw having a kneading section and rotating within the barrel to knead a material continuously while feeding the material from an upstream side toward a downstream side. The kneading degree adjusting mechanism includes a push-back section for pushing back the material to the upstream side and thereby making the material stay around the kneading section, the push-back section being disposed downstream of the kneading section in the kneading screw; a kneading degree adjusting member having an opposed surface opposed to an outer periphery surface of the push-back section; and a drive section for actuating the kneading degree adjusting member so that the opposed surface moves toward and away from the push-back section.