JPH0479372U - - Google Patents
Info
- Publication number
- JPH0479372U JPH0479372U JP12347290U JP12347290U JPH0479372U JP H0479372 U JPH0479372 U JP H0479372U JP 12347290 U JP12347290 U JP 12347290U JP 12347290 U JP12347290 U JP 12347290U JP H0479372 U JPH0479372 U JP H0479372U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- heating roller
- core member
- toner image
- cylindrical core
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Resistance Heating (AREA)
Description
第１図は本考案による定着装置に用いられる加
熱ローラの断面図及び幅狭用紙を印刷した場合の
温度分布図、第２図は従来の定着装置の概略図、
第３図は従来技術における加熱ローラの断面図、
第４図は従来技術における加熱ローラの断面図及
び、幅狭用紙を印刷した場合の温度分布図である
。
図において、１は加熱ローラ、２は加圧ローラ
、３は円筒状芯部材、４はヒータランプ、５は印
刷用紙、６は温度センサである。
FIG. 1 is a cross-sectional view of the heating roller used in the fixing device according to the present invention and a temperature distribution diagram when printing narrow paper, and FIG. 2 is a schematic diagram of a conventional fixing device.
Figure 3 is a sectional view of a heating roller in the prior art.
FIG. 4 is a sectional view of a heating roller in the prior art and a temperature distribution diagram when printing narrow paper. In the figure, 1 is a heating roller, 2 is a pressure roller, 3 is a cylindrical core member, 4 is a heater lamp, 5 is printing paper, and 6 is a temperature sensor.
Claims (1)
圧ローラを有し、かつ前記加熱ローラの円筒状芯
部材内部にはヒータランプ等の発熱体を有し、前
記両ローラ間をトナー像を有する用紙を通過させ
ることによつて前記トナー像を加熱加圧して定着
させる定着装置において、前記加熱ローラの円筒
状芯部材内壁を部分的に色を変えたことを特徴と
する電子写真印刷装置における定着装置。 ２ 加熱ローラの円筒状芯部材内壁に前記定着装
置が定着しうる用紙の最小幅に相当する範囲に、
黒色塗料を塗布したことを特徴とする請求項１記
載の電子写真印刷装置における定着装置。[Claims for Utility Model Registration] 1. A heating roller and a pressure roller that rotate while being in pressure contact with each other, and a heating element such as a heater lamp is provided inside a cylindrical core member of the heating roller, and both of the rollers The fixing device fixes the toner image by heating and pressurizing the toner image by passing a sheet of paper having the toner image through the fixing device, characterized in that the inner wall of the cylindrical core member of the heating roller is partially changed in color. A fixing device in an electrophotographic printing device. 2. In a range corresponding to the minimum width of the paper that can be fixed by the fixing device on the inner wall of the cylindrical core member of the heating roller,
2. The fixing device in an electrophotographic printing apparatus according to claim 1, wherein the fixing device is coated with black paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12347290U JPH0479372U (en) | 1990-11-22 | 1990-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12347290U JPH0479372U (en) | 1990-11-22 | 1990-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479372U true JPH0479372U (en) | 1992-07-10 |
Family
ID=31871177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12347290U Pending JPH0479372U (en) | 1990-11-22 | 1990-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09166935A (en) * | 1995-12-18 | 1997-06-24 | Sharp Corp | Fixing device |
| JP2010191405A (en) * | 2009-01-21 | 2010-09-02 | Ricoh Co Ltd | Fixing device and image forming apparatus |
-
1990
- 1990-11-22 JP JP12347290U patent/JPH0479372U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09166935A (en) * | 1995-12-18 | 1997-06-24 | Sharp Corp | Fixing device |
| JP2010191405A (en) * | 2009-01-21 | 2010-09-02 | Ricoh Co Ltd | Fixing device and image forming apparatus |
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