Packed battery and method of making the same
US4997731A · kind A · utility
29Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1989 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Feb 22, 2009 |
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 a 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.