Gasket for layer-built fuel cells and method for making the same
US6337120B1 · kind B1 · utility
33Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1999 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Jun 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31826
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gasket is provided on a porous sheet in one body. The gasket is thin and has an excellent sealability, and processability when the gasket is built in layer-built fuel cells. The gasket is made of liquid rubber and has a hardness not more than 60 (JIS A). Liquid perfluoro rubber and liquid silicone rubber is preferably used for the gasket. And gasket can be made by injection molding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.