| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable seal structure with a simple structure without increasing the number of part items. SOLUTION: In this battery, a positive electrode pole through hole 22 and a negative electrode pole through hole 23 are disposed on a conductive plate 21 composed of a metal plate plated with a nickel on a copper. The entire surface except peripheries 22a and 23a of these through holes 22 and 23 is integrally formed with a coated layer 24 of a chloroprene rubber by molding to be a coupling member 20. Under surface of the coated layer 24 is disposed with annular projecting parts 25 and 26 so as to surround the periphery of the respective through holes 22 and 23. The positive electrode pole through hole 22 of the coupling member 20 is bored through a positive electrode pole 13 of a battery A and the negative electrode pole through hole 23 of the coupling member 20 is bored through a negative electrode pole 14 of a battery B. Then, the respective electrode poles 13 and 14 are screwed with fixtures 30 to be a battery pack.
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