SEPARATOR WINDING CORE AND SEPARATOR ROLL

Provided is a core (u1, u2) around which a nonaqueous electrolyte secondary battery separator is to be wound, and a side surface of the core (u1, u2) has a depression (20), wherein in a case where cores (separator winding cores) are stored by being stacked while still wet after cleaning, to prevent...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YASHIKI DAIZABURO, HOSHIDA DAIJIRO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVEYING ELECTRICITY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES PACKING PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY STORING TRANSPORTING
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