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US 2014/0004411 A1Published application
Sealed battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsTomohiro YOKOYAMA, Masaki KOIKE, Akira TSUKUI
Life of this patent
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Abstract
A sealed battery that includes a battery case and a seal member is provided. The battery case includes a pour hole member provided with a pour hole and houses a charge-discharge element. The seal member seals the pour hole, the seal member is butt-welded with the pour hole member, at least a portion at which a reverse surface of the seal member faces the pour hole member each other having a flow channel, and the flow channel extends from a welded site to an opening portion of the pour hole.
Claims10
A sealed battery comprising:
- a battery case including a pour hole member provided with a pour hole, the battery case housing a charge-discharge element;
- and
- a seal member sealing the pour hole, the seal member being butt-welded with the pour hole member, at least a portion at which a reverse surface of the seal member faces the pour hole member each other having a flow channel, and the flow channel extending from a welded site to an opening portion of the pour hole.
Dependencies are inferred from the claim text.