| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a battery and manufacturing method thereof in which a through hole of a battery case is sealed air-tightly and entry of metal foreign materials into the battery case is prevented. <P>SOLUTION: The battery 1 is arranged so that a shaft part 63 is inserted into a through hole 12H of the battery case 10, a flange 52 swages a peripheral external surface 13c which is a circumference of the through hole 12H among an external surface 13 of the battery case 10, a deformed swaging piece 64 swages a peripheral inner surface 14c which is a circumference of the trough hole 12H among an inner surface 14 of the battery case 10, and a deformed blind rivet 60 which seals the through hole 12H air tightly is included. The battery 1 includes a hole inner surface protective resin member 71 provided in the through hole 12H of the battery case 10, in which the shaft part 63 of the deformed blind rivet 60 and the battery case 10 are spaced from each other via the hole inner peripheral surface protective member 71 in the through hole 12H. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
