INJECTION MOLDING DEVICE WITH INTERMEDIATE STORAGE SPACE

An injection molding device includes a continuously operating extruder and a discontinuously operating injection unit receiving plastic material fr om the extruder, The extruder has an extruder barrel which includes a plasticizing zone and a discharge zone, whereby the discharge zone is configured t...

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Bibliographische Detailangaben
Hauptverfasser:	WOHLRAB, WALTER, BURKLE, ERWIN, WOBBE, HANS
Format:	Patent
Sprache:	eng ; fre
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 injection molding device includes a continuously operating extruder and a discontinuously operating injection unit receiving plastic material fr om the extruder, The extruder has an extruder barrel which includes a plasticizing zone and a discharge zone, whereby the discharge zone is configured to provide an intermediate storage space and has a cross sectional area which is greater than a cross sectional area of the plasticizing zone. In this way, the discharge zone provides a buffer volume which is filled during the injection process and th en emptied again.