Imaging fixing device including a heat roller with a release layer
US5570171A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1995 |
| Grant date | Oct 29, 1996 |
| Priority date | — |
| Expiry date | Oct 6, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2053
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image fixing device is provided that includes a heat roller disposed rotatably, and a fixed way to apply pressure for contacting and applying pressure to the heat roller to form a nip portion. A recording sheet on which an unfixed toner image is formed passes through the image fixing device for fixing the toner image. The heat roller has a releasing layer on its surface for stripping the recording sheet which has passed through the nip portion, and .mu..sub.2 and .mu..sub.2 having the following relation EQU .mu..sub.1 /.mu..sub.2 .gtoreq.5, wherein .mu..sub.1 is a frictional coefficient between the releasing layer of the heat roller and the recording sheet and .mu..sub.2 is a frictional coefficient between the surface of the pressure applying means and the recording sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.