Image heating apparatus and flexible sleeve used for the same
US7389079B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2007 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Jul 20, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2053
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The image heating apparatus includes a flexible sleeve including a stainless base layer; a heater being in contact with an inner circumferential surface of the flexible sleeve; and an elastic roller being in contact with an outer circumferential surface of the flexible sleeve and forming a nip portion with the heater, in which: a recording material bearing an image is heated while being pinched and conveyed at the nip portion; and the stainless base layer has an outer diameter of 18 mm to 24 mm and a thickness of 25 μm to 30 μm, and includes an outer circumferential surface being subjected to a blasting process. Bu the present invention, an image heating apparatus is capable of ensuring durability and a flexible sleeve used for the image heating apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.