Heat generating roller, fixing device and image forming apparatus
US8351836B2 · kind B2 · utility
2Cited by
0References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 24, 2010 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Apr 5, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2053
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heat generating roller which generates a heat when magnetic flux is applied from outside, which has high ability to control an amount of heat generation of itself and which has sufficient strength, including a main heating layer made of a material having a low electric resistivity, a heat controlling layer made of magnetic metal including at least nickel, a heat insulation layer having a low heat conductivity, and a stiff metal core, in order as above from outside, wherein the heat controlling layer is annealed, and the heat controlling layer and the heat insulation layer are bonded to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.