Electrochemical cell having a safety vent closure
US4927720A · kind A · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1989 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Oct 13, 2009 |
Classification
- Technology area (CPC —)General
Abstract
A non-resealable vent closure for a galvanic cell, such as a nonaqueous cell, which comprises a seal member force-fitted with a bushing having an upper portion terminating with a thinner walled lower portion and wherein said seal member is force-fitted within the lower portion of the bushing and the bushing is seated within and seals the vent orifice in the housing of the cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.