| 摘要 |
PURPOSE:To prevent a gasket, etc. from being cut during fastening it and improve a leakage resistance by forming the brim section of a ring mount made in one body together with an anode agent in a concave shape corresponding to the turnup section around a cathode terminal plate. CONSTITUTION:An anode agent 3 and a metal ring mount 2 are molded together under pressure in one body to form an anode 1, which is inserted into an anode can 5, and a separator 4 and a cathode terminal plate 7 filled with a cathode agent 6 are fitted on it, then the opening section of the anode can 5 is fastened tight through a gasket 8 to form a button type cell. At this time, a turnup section 7a with a U shaped cross section is formed around the cathode terminal plate 7, and the portion of the mount 2 corresponding to the turnup section 7a is formed in a concave shape. Therefore, even though sealing is made under a high tightening pressure, the force is not concentrated in one point, thus the gasket 8 and the separator 4 are prevented from breaking and the reliability can be improved. |
