Producing method for fuel cell separator
US10811698B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Aug 8, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Oct 19, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There are included a preparing step of preparing a separator base member having a core member of which surfaces are coated with a coating material having a higher radioparency than that of the core member; a press-forming step of press-forming the separator base member in a predetermined shape; and an examining step of examining the separator base member after the press-forming step using an X-ray having an output at which the X-ray passes through the coating material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.