Method and device for manufacturing separator for polymer electrolyte fuel cell
US8959969B2 · kind B2 · utility
0Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2009 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Mar 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Elimination of play between rolls 13 and main bearings 12 in a non-forming area and forming of material to be formed in a forming area are repeated while play between a housing 10 for the rolls 13 and main bearing axle boxes 11 is always eliminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.