Adjustable flow channel for an extruder head

An extruder flow channel (10) has a pair of flow passages (40, 50) and a flow dam (12) interposed between the flow passages and a flow splitter (14) that locally increases or locally decreases the flow area of the first flow passage (40) relative to the second flow passage (50). The preferred flow c...

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Bibliographische Detailangaben
Hauptverfasser:	TURNER, BRUCE JOSEPH, FIELDING-RUSSELL, GEORGE SAMUEL, TIEU, HAO ANH, PULFORD, CARL TREVOR ROSS, LOOMAN, ERNEST WILFORD, JR
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 flow channel (10) has a pair of flow passages (40, 50) and a flow dam (12) interposed between the flow passages and a flow splitter (14) that locally increases or locally decreases the flow area of the first flow passage (40) relative to the second flow passage (50). The preferred flow channel (10) adjusts the mass balance of the flows (6, 7) between passages (40, 50) automatically.