Production method for separator sheet, production method for separator, separator sheet wound body, and separator sheet production device
US10168285B2 · kind B2 · utility
0Cited by
3References
9Claims
0Family size
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Key dates
| Filing date | Sep 18, 2015 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Sep 18, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A separator producing method includes the steps of: winding up, around a core (81, 53), a separator (12a, 12b) having a defect (D) detected; and providing a defect code (DC2) including information on a position of the defect (D) in the longitudinal direction of the separator (12a, 12b) on (i) the outermost portion (86, 86b) of the separator (12a, 12b), wound around the core (81, 53), or (ii) the core (81, 53), around which the separator (12a, 12b) is wound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.