Cylindrical battery
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United States of America Patent
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-
Apr 8, 2003
Grant Date -
Jun 21, 2001
app pub date -
Dec 20, 2000
filing date -
Dec 20, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a cylindrical battery excellent in impact resistance. A novel cylindrical battery is provided comprising a cylindrical battery main body received in a closed-end cylindrical metallic container, characterized in that the cylindrical battery main body comprises a spirally-wound plate group having two output terminals on the same edge face, a closed-end cylindrical battery jar made of a resin for receiving the spirally-wound plate group and a resin cover for closing the opening of the battery jar, the two output terminals extend to the exterior of the battery jar through two ports formed on the bottom of the battery jar, respectively, and the battery main body is received in the metallic container with the cover disposed at the bottom of the metallic container.
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