Image heating apparatus, film used for the apparatus, and manufacturing method of flexible resin material for the film
US8811872B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | May 17, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An image heating apparatus, for heating, in a nip, a recording material for carrying a toner image while conveying the recording material, includes a flexible cylindrical film; a nip-forming member contacting an inner surface of the film; and a pressing member for forming the nip between itself and the film. The inner surface of the film is provided with a roughened surface portion in a region in which the nip-forming member slides on the inner surface of the film. The roughened surface portion has a skewness Rsk satisfying: Rsk<0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.