METHOD AND DEVICE FOR EXTRUSION OF HOLLOW PELLETS

Described herein are extrusion processes to produce hollow pellets. Also disclosed are pelletizer devices that can be used to produce the hollow pellets. The processes and devices make use of an extrusion die having a die orifice and an insert that is placed in the die orifice to produce the hollow...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MARTIN, WAYNE, J, WRIGHT, ROGER, BLAKE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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:	Described herein are extrusion processes to produce hollow pellets. Also disclosed are pelletizer devices that can be used to produce the hollow pellets. The processes and devices make use of an extrusion die having a die orifice and an insert that is placed in the die orifice to produce the hollow pellets. L'invention concerne des processus d'extrusion destinés à produire des pastilles creuses. Elle concerne également des dispositifs de pastilleuses pouvant être utilisés pour produire les pastilles creuses. Les processus et dispositifs utilisent une filière présentant une sortie et un insert placé dans la sortie pour produire les pastilles creuses.