Fixing apparatus
US9152097B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2013 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Sep 11, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/206
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing apparatus includes: first and second rotatable member configured to heat-fix, at a nip therebetween, an unfixed toner image formed on a sheet by using a toner containing a parting agent; a casing, configured to accommodate the first and second rotatable member, including a sheet introducing opening and a sheet discharging opening; and a suppressing portion configured to suppress diffusion, toward the sheet discharging opening, of particles having a predetermined diameter resulting from a parting agent in the neighborhood of the sheet introducing opening, wherein the suppressing portion is provided in a position of 0.5 mm or more and 3.5 mm or less from a surface of the first rotatable member in a space in the casing from the sheet introducing opening to the sheet discharging opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.