Battery can and alkaline battery
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United States of America Patent
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Oct 1, 2013
Grant Date -
Jul 7, 2011
app pub date -
Sep 18, 2009
filing date -
Sep 25, 2008
priority date (Note) -
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Abstract
This invention provides a battery can allowing for a reduced amount of gas forming therein, thus realizing lower production cost. The cathode can 11 of an alkaline battery is cylindrically shaped and closed-bottomed, comprising an opening 15, a body 17 and a bottom 18, with the body 17 being divided into an opening sealing section 31 and an electrode mixture container section 33 which are arranged in order from the opening 15, with the plate thickness t0 set for the electrode mixture container section 33, which is not less than 80% of the plate thickness t1 of the opening sealing section 31, with the plate thickness t3 of the electrode mixture container section 33 gradually reducing in the region starting at the topmost point of the electrode mixture container section 33 and ending at the set plate thickness t0.
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