Long magnet, production method thereof, magnet roller and image forming device
US7366454B2 · kind B2 · utility
4Cited by
22References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2004 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Dec 1, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12465
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The long magnet includes a magnet block made of a mixture of rare earth magnetic powder, thermoplastic resin particles, fluidity additive, pigment, wax and charge control agent, and a reinforcing member to reinforce the magnet block. At least part of the reinforcing member is arranged inside of the magnet block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.