Rectangular battery and rectangular battery manufacturing method
US9370844B2 · kind B2 · utility
2Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2013 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Apr 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A battery case of a rectangular battery includes a lid member welded to an opening portion in a main body member. Each opening rounded portion of the opening portion has, in the circumferential direction, a support projecting portion which projects inward over the entire opening rounded portion and which supports the lid member. Meanwhile, in the circumferential direction along an entire opening short side portion, the opening short side portion has a low projecting portion which projects inward at a position lower than the support projecting portion in the depth direction of the main body member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.