CELLULOSE ESTER FILM AND APPARATUS AND METHOD FOR ITS MANUFACTURE

PROBLEM TO BE SOLVED: To provide a manufacturing apparatus which reduces peeling troubles during melt casting film formation of a cellulose ester film. SOLUTION: The apparatus for manufacturing a cellulose ester film comprises a casting die extruding a molten material containing a cellulose resin in...

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Bibliographische Detailangaben
1. Verfasser:	YAMADA RUMIKO
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a manufacturing apparatus which reduces peeling troubles during melt casting film formation of a cellulose ester film. SOLUTION: The apparatus for manufacturing a cellulose ester film comprises a casting die extruding a molten material containing a cellulose resin into a sheet shape, a rotary support which supports the sheet of the molten material extruded from the casting die continuously on its rotating surface, and a sandwiching rotor which is energized with respect to the rotary support so as to sandwich with pressing and thereby shape the molten material. The sandwiching rotor consists of a metal-made endless belt arranged so as to come in pressure contact with the rotary support. COPYRIGHT: (C)2008,JPO&INPIT