SEALED BATTERY AND ITS MANUFACTURE

A metal reinforcing plate (3) is welded in place close to the opening on the inside of the battery case (1), and a plastic insulation gasket (2) and a sealing member (5) provided with an anti-explosion mechanism or the like are sequentially mounted on the metal reinforcing plate (3). By this arrange...

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Bibliographic Details
Main Authors TSURUTANI, SHINJI, YOSHIO, HIDEAKI, NAKATSUKA, SABURO, IIDA, MAMORU, MIZUTANI, SEIICHI
Format Patent
LanguageEnglish
French
German
Published 07.07.2004
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A metal reinforcing plate (3) is welded in place close to the opening on the inside of the battery case (1), and a plastic insulation gasket (2) and a sealing member (5) provided with an anti-explosion mechanism or the like are sequentially mounted on the metal reinforcing plate (3). By this arrangement, higher battery capacity can be realized by eliminating the waste of space because it is unnecessary to form a conventional indentation around the upper wall of a battery case (1) in the conventional manner. A sealed battery construction having an anti-explosion mechanism and being highly reliable in terms of leakage prevention can be thereby obtained.
Bibliography:Application Number: EP19990900167