Electrophotograph developing roller and developing apparatus employing the same
US7831183B2 · kind B2 · utility
1Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2007 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Feb 26, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0861
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing roller comprising: a shaft comprising an aluminum alloy; and a coating layer directly formed on a periphery of the shaft, the coating layer comprising a conducting agent and a binder comprising a resin, wherein the aluminum alloy comprises 0.2 to 0.8% by mass of silicon and 0.05 to 1.5% by mass of maganese, based on the total mass of the aluminum alloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.