Sealed lead-acid battery
US4904550A · kind A · utility
8Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1988 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Jun 23, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sealed lead-acid battery is improved in manufacturability by providing a container with a major side left open, and being sealed by a laminated sheet heat-bonded to side edges of the opening after the battery components have been inserted. The laminated sheet may include a metal layer to improve rigidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.