Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller
US9304445B2 · kind B2 · utility
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8Claims
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Assignee
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Key dates
| Filing date | Dec 17, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Dec 17, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A developing roller includes a roller main body disposed to face, without contact, an outer circumferential surface of an image carrier. The roller main body includes an aluminum oxide thin film and a resin coat layer, the aluminum oxide thin film being formed on an outer circumferential surface of a base body that is made of a metal including aluminum, the resin coat layer being formed on a surface of the aluminum oxide thin film that has been subjected to a predetermined heating process, the resin coat layer being made of a resin material and having electric conductivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.