Closed type alkaline storage battery
Patent
·
OSTI ID:5775912
The alkaline storage battery employs a metallic hat shaped terminal closure which has a piercing needle as well as a puncturable metallic diaphragm positioned below the piercing needle. The needle is fixed by caulking at its peripheral edge portion to a edge of the closure. A comparatively thick and hard metal plate is placed on the inner surface of the diaphragm and is applied to an open portion of a tubular metallic container which has a battery element. A peripheral edge portion of the closure, the diaphragm and the metallic plate are clamped in airtight relationship through a packing between the caulked end portion and an inner annular step portion of the metallic container of the battery. A lead wire extends from one polarity electrode of the battery element and is connected to a central portion of the metallic plate.
- Assignee:
- Furukawa Battery Co Ltd (Japan)
- Patent Number(s):
- US 4207385
- OSTI ID:
- 5775912
- Country of Publication:
- United States
- Language:
- English
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