BATTERY CAN, MANUFACTURING METHOD AND MANUFACTURING DEVICE THEREOF, AND BATTERY USING THE BATTERY CAN

PROBLEM TO BE SOLVED: To provide a battery can manufactured by cutting an unnecessary part through an opening of a raw material can, controlling low a height of a burr formed by cutting and inhibiting occurrence of cut dusts when the cut face is re-cut. SOLUTION: The battery can 30 is manufactured b...

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Hauptverfasser:	ISHIKAWA TOSHIKI, MORIWAKI MASAJI, KATO SEIICHI, TOKUMOTO TADAHIRO, AIDA YOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a battery can manufactured by cutting an unnecessary part through an opening of a raw material can, controlling low a height of a burr formed by cutting and inhibiting occurrence of cut dusts when the cut face is re-cut. SOLUTION: The battery can 30 is manufactured by cutting an unnecessary part from a raw material can 15 for the battery can of a bottomed cylindrical shape having an unnecessary part 15c on the opening. Here, for the purpose of cutting the unnecessary part 15c, the cut surface of the can wall of the raw material can 15 in a circumferential direction has a cut end part 42 higher than a cutting commencing part 40. COPYRIGHT: (C)2010,JPO&INPIT