JP2008175911A5 - - Google Patents
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- Publication number
- JP2008175911A5 JP2008175911A5 JP2007007456A JP2007007456A JP2008175911A5 JP 2008175911 A5 JP2008175911 A5 JP 2008175911A5 JP 2007007456 A JP2007007456 A JP 2007007456A JP 2007007456 A JP2007007456 A JP 2007007456A JP 2008175911 A5 JP2008175911 A5 JP 2008175911A5
- Authority
- JP
- Japan
- Prior art keywords
- fixing
- fixing roller
- outer diameter
- recording material
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000035943 smell Effects 0.000 claims 1
Claims (1)
弾性層を有し、前記定着ローラと圧接し記録材を挟持搬送する定着ニップを形成する加圧ローラと、を有する定着装置において、
前記定着ローラは、記録材が通過する領域において前記定着ローラの長手方向における前記定着ローラの両端部の外径が中央部の外径よりも大きい形状とされ、
前記加圧ローラは、記録材が通過する領域において長手方向における前記定着ローラの両端部の外径が中央部の外径よりも小さく、両端部の形状はストレート形状であり且つ圧接時にその両端部での弾性層の変形量が端部に行くに従い増大するような構成であることを特徴とする定着装置。 A hollow fixing roller for fixing the toner image formed on the recording material;
In the fixing device having an elastic layer, and the fixing roller and the pressure to the pressure roller that form a fixing nip for nipping and conveying the recording material, and
The fixing roller is the outer diameter of both ends of the fixing roller in the longitudinal direction of the fixing roller in the region where the recording material passes a shape larger than the outer diameter of the central portion,
The pressure roller, the outer diameter of both ends of the fixing roller in the Te-length side direction region smell the recording material passes is smaller than the outer diameter of the central portion, the shape of the both end portions thereof at the time and pressure are straight shape a fixing device, wherein a deformation amount of the elastic layer in both end portions are configured such as to increase as it goes to the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007007456A JP5127239B2 (en) | 2007-01-16 | 2007-01-16 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007007456A JP5127239B2 (en) | 2007-01-16 | 2007-01-16 | Fixing device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008175911A JP2008175911A (en) | 2008-07-31 |
| JP2008175911A5 true JP2008175911A5 (en) | 2010-02-12 |
| JP5127239B2 JP5127239B2 (en) | 2013-01-23 |
Family
ID=39703002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007007456A Expired - Fee Related JP5127239B2 (en) | 2007-01-16 | 2007-01-16 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5127239B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012013868A (en) * | 2010-06-30 | 2012-01-19 | Canon Inc | Heating apparatus |
| JP5821880B2 (en) * | 2013-03-15 | 2015-11-24 | コニカミノルタ株式会社 | Cooling device and image forming apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54163040A (en) * | 1978-06-15 | 1979-12-25 | Ricoh Co Ltd | Fixing device |
| JPH01155072U (en) * | 1988-04-13 | 1989-10-25 | ||
| JP2005195856A (en) * | 2004-01-07 | 2005-07-21 | Matsushita Electric Ind Co Ltd | Fixing device and image forming apparatus equipped therewith |
-
2007
- 2007-01-16 JP JP2007007456A patent/JP5127239B2/en not_active Expired - Fee Related
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