Matsushita Electric Industrial Co., Ltd.

Tsutomu Moriwaki

Saburo Nakatsuka

Shigeto Noya

Seiji Wada

Yasuhiko Shoji

Minoru Koda

Takayuki Aoi

Tadahiro Sawada

In the process of manufacturing a cylindrical battery, when a tubular separator ( ) and bottom separator ( ) are inserted into a battery casing ( ) in which are accommodated positive electrode mixture pellets ( ), by inserting the bottom separator ( ) such that it is pushed into the battery casing ( ) at the leading end of the tubular separator ( ), the peripheral portion of the bottom separator ( ) is raised up, so that both separators ( ) are inserted into the battery casing ( ) in a condition with the leading end of the tubular separator ( ) surrounded from the outside by this peripheral raised-up portion.

Cylindrical battery and method and device for manufacturing thereof

Growing community of inventors

Katano, Japan

Tsutomu Moriwaki