| 摘要 |
An electric storage device includes an outer covering, an external terminal having an exposed face exposed outside from the outer covering, a current collector disposed inside the outer covering and connected to the external terminal, and an electrode assembly disposed inside the outer covering and connected to the current collector. The outer covering has a plurality of protrusions protruding outward. The device further includes gasket which has a main body disposed between the external terminal and the outer covering and a plurality of projecting portions respectively extending from the main body and having insertion holes through which the respective protrusions of the outer covering are inserted. The respective protrusions are joined to the outer covering by swaging after respectively inserted through the insertion holes in the respective projecting portions.
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