Pressure roller and fixing device equipped with the same
US8712307B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2012 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Apr 29, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/206
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A pressure roller for use in a fixing device includes a core metal, an elastic layer, and a releasing layer. The releasing layer is made of at least one fluorine resin selected from among tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, ethylene-tetrafluoroethylene copolymer, and tetrafluoroethylene-hexafluoropropylene copolymer. The fluorine resin contains at least one polymer selected from among polyvinylidene fluoride, polyacrylonitrile, and polymethyl methacrylate, and monomer electrolyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.