Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating roller
US6636718B2 · kind B2 · utility
19Cited by
30References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Jun 7, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49565
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heating roller including a core of hollow cylinder form and wherein a thickness of the core is thicker in a center portion thereof than in both end portions thereof. Further, a heating device may have the heating roller, a fixing device may have the heating roller and the heating device, and an image forming apparatus may have the heating roller, the heating device and the fixing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.