Packed battery and method of making the same
US4981490A · kind A · utility
5Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 1990 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Apr 11, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4911
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present Invention relates to a packed battery unifying a plurality of battery cells housed in a case. The case comprises a tubular body housing the battery cells and aa couple of lids closing both the end openings of the tubular body respectively, thus being arranged in a three-unit construction. This arrangement allows the case to be completely sealed off by ultrasonic wave welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.