METHOD AND APPARATUS FOR MANUFACTURING RESIN SHEET

PROBLEM TO BE SOLVED: To provide a method and an apparatus capable of stably manufacturing a resin sheet, especially, a thin resin sheet with a thickness of 0.06 mm or less without generating spark discharge by rationalizing the position of a wire electrode with respect to a cooling drum. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	MITSUHATA HARUHIKO, KAWATAKE HIROSHI, OKASHIRO HIDETOSHI
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a method and an apparatus capable of stably manufacturing a resin sheet, especially, a thin resin sheet with a thickness of 0.06 mm or less without generating spark discharge by rationalizing the position of a wire electrode with respect to a cooling drum. SOLUTION: The method for manufacturing the resin sheet cools and solidifies the sheetlike molten resin extruded from a slit die by a moving cooling medium while applying static charge thereto by the use of a wire electrode. The distance from the wire electrode to the moving cooling medium is set to 3 mm or less to apply static charge to the sheetlike molten resin.