ANNULAR FEEDBLOCK FOR COEXTRUDED FILM, AND METHODS

A feedblock (12) for a film extruder used to produce a uniform, multiple layer web (19). The feedblock has a generally annular configuration, for receipt of a core material (15) and a skin material (17). The feedblock has a varying radial dimension for passage of the skin material therethrough. Afte...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AUSEN, RONALD W, KENT, CHRISTOPHER C, BATCH, GIBSON L
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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