Ultrasonic metal welding techniques and batteries manufactured using such techniques
US7666541B2 · kind B2 · utility
1Cited by
10References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2006 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | May 13, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49114
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Batteries are disclosed having a vent opening that is sealed by a metal foil. Methods and tooling for manufacturing such batteries and methods of venting sealed batteries are also disclosed. In some implementations, sealing is performed using ultrasonic metal welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.