Method for producing film and method for winding off film
US10427904B2 · kind B2 · utility
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1References
5Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 21, 2016 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Sep 25, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The separator production method in accordance with an embodiment of the present invention includes a coated article winding off step of winding off, from a core, a separator original sheet which has been taken up in a coated article taking up step of winding the separator original sheet on an outer peripheral surface of the core while oscillating the core in a rotation axis direction, and the core is oscillated in the rotation axis direction in the coated article winding off step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.