JPH01128271U - - Google Patents
Info
- Publication number
- JPH01128271U JPH01128271U JP2116988U JP2116988U JPH01128271U JP H01128271 U JPH01128271 U JP H01128271U JP 2116988 U JP2116988 U JP 2116988U JP 2116988 U JP2116988 U JP 2116988U JP H01128271 U JPH01128271 U JP H01128271U
- Authority
- JP
- Japan
- Prior art keywords
- heating means
- roller
- fixing
- pressure roller
- fixing device
- 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
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fixing For Electrophotography (AREA)
Description
図面は本考案の実施例を示し、第１図及び第２
図は定着装置の断面図、第３図及び第５図は定着
ローラ及び加圧ローラの各ヒーターのオン／オフ
のタイミング図、第４図及び第６図は定着ローラ
及び加圧ローラの温度変化の曲線図、第７図は定
着ローラの温度降下の曲線図である。
１……定着ローラ、２……加圧ローラ、３―１
，３―２……ヒーター（定着ローラの加熱手段）
、６―１，６―２……ヒーター（加圧ローラの加
熱手段）。
The drawings show embodiments of the invention, and FIGS.
The figure is a sectional view of the fixing device, Figures 3 and 5 are on/off timing diagrams of the heaters of the fixing roller and pressure roller, and Figures 4 and 6 are temperature changes of the fixing roller and pressure roller. FIG. 7 is a curve diagram of the temperature drop of the fixing roller. 1... Fixing roller, 2... Pressure roller, 3-1
, 3-2...Heater (heating means for fixing roller)
, 6-1, 6-2... Heater (heating means for the pressure roller).
Claims (1)
を備え前記定着ローラに圧接される加圧ローラと
を有する定着装置に於いて、 前記定着ローラの加熱手段は所定の温度範囲で
オン／オフ制御され、前記加圧ローラの加熱手段
は、前記定着ローラの加熱手段がオフのときにオ
ンになることを特徴とする定着装置。 (2) 前記加圧ローラは温度検出手段を有し、該
加圧ローラの温度が所定の温度を越えないように
制御されることを特徴とする請求項１に記載の定
着装置。[Claims for Utility Model Registration] (1) In a fixing device having a fixing roller equipped with a heating means and a pressure roller equipped with a heating means and pressed against the fixing roller, the heating means of the fixing roller is A fixing device that is controlled to be on/off within a predetermined temperature range, and wherein the heating means for the pressure roller is turned on when the heating means for the fixing roller is off. (2) The fixing device according to claim 1, wherein the pressure roller has a temperature detection means, and the temperature of the pressure roller is controlled so as not to exceed a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988021169U JP2536207Y2 (en) | 1988-02-22 | 1988-02-22 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988021169U JP2536207Y2 (en) | 1988-02-22 | 1988-02-22 | Fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128271U true JPH01128271U (en) | 1989-09-01 |
| JP2536207Y2 JP2536207Y2 (en) | 1997-05-21 |
Family
ID=31238163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988021169U Expired - Lifetime JP2536207Y2 (en) | 1988-02-22 | 1988-02-22 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536207Y2 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255036A (en) * | 1975-10-30 | 1977-05-06 | Nippon Kokan Kk <Nkk> | Automatic control method of temperature of molten steel in smelting pr ocess in arc furnace for steel manufacture |
| JPS52110049A (en) * | 1976-03-12 | 1977-09-14 | Canon Inc | Electrophotographic fixer |
| JPS5381131A (en) * | 1976-12-26 | 1978-07-18 | Ricoh Co Ltd | Temperature control method |
| JPS5425842A (en) * | 1977-07-29 | 1979-02-27 | Ricoh Co Ltd | Temperature controlling method of fixing device |
| JPS57122467A (en) * | 1981-01-22 | 1982-07-30 | Canon Inc | Fixing device |
| JPS5814870A (en) * | 1981-07-21 | 1983-01-27 | Copyer Co Ltd | Heating controlling method of fixing device of copying machine |
| JPS5887575A (en) * | 1981-11-20 | 1983-05-25 | Ricoh Co Ltd | Temperature controlling method for fixation device |
-
1988
- 1988-02-22 JP JP1988021169U patent/JP2536207Y2/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255036A (en) * | 1975-10-30 | 1977-05-06 | Nippon Kokan Kk <Nkk> | Automatic control method of temperature of molten steel in smelting pr ocess in arc furnace for steel manufacture |
| JPS52110049A (en) * | 1976-03-12 | 1977-09-14 | Canon Inc | Electrophotographic fixer |
| JPS5381131A (en) * | 1976-12-26 | 1978-07-18 | Ricoh Co Ltd | Temperature control method |
| JPS5425842A (en) * | 1977-07-29 | 1979-02-27 | Ricoh Co Ltd | Temperature controlling method of fixing device |
| JPS57122467A (en) * | 1981-01-22 | 1982-07-30 | Canon Inc | Fixing device |
| JPS5814870A (en) * | 1981-07-21 | 1983-01-27 | Copyer Co Ltd | Heating controlling method of fixing device of copying machine |
| JPS5887575A (en) * | 1981-11-20 | 1983-05-25 | Ricoh Co Ltd | Temperature controlling method for fixation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536207Y2 (en) | 1997-05-21 |