JP5980243B2 - 定着装置及び画像形成装置 - Google Patents
定着装置及び画像形成装置 Download PDFInfo
- Publication number
- JP5980243B2 JP5980243B2 JP2014008280A JP2014008280A JP5980243B2 JP 5980243 B2 JP5980243 B2 JP 5980243B2 JP 2014008280 A JP2014008280 A JP 2014008280A JP 2014008280 A JP2014008280 A JP 2014008280A JP 5980243 B2 JP5980243 B2 JP 5980243B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- fixing device
- fixing
- magnetic core
- heater
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2003—Structural features of the fixing device
- G03G2215/2016—Heating belt
- G03G2215/2035—Heating belt the fixing nip having a stationary belt support member opposing a pressure member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Resistance Heating (AREA)
Description
26 定着装置
27 加熱ローラー
27A ローラー本体
28 加圧ローラー
29 定着部
100 過昇温防止機構
101 磁芯体
102 一次側巻線
103 二次側巻線
Claims (5)
- 交流電源から交流電流が供給される一次側巻線と、
電流が供給されることにより発熱する熱源を備え、トナー像が形成されたシートに対し予め定められた定着温度で前記熱源の熱を用いた定着処理を行う定着部と、
前記熱源に電気的に接続された二次側巻線と、
前記一次側巻線及び前記二次側巻線が巻き付けられ、前記熱源の熱を受けることにより前記予め定められた定着温度以上になると透磁率が小さくなる予め定められた材料からなり、前記熱源に接触された磁芯体と、
を備える定着装置。 - 前記定着部は、前記シートに接触して前記シートを加熱する円筒部を備え、
前記磁芯体は、前記円筒部と前記熱源との間に設けられている請求項1に記載の定着装置。 - 前記一次側巻線と前記二次側巻線とは、互いに隣接して前記磁芯体に巻き付けられている請求項1又は2に記載の定着装置。
- 前記予め定められた材料は、感温磁性材料であり、
前記感温磁性材料のキュリー温度が、前記予め定められた定着温度に設定されている請求項1乃至3の何れか一項に記載の定着装置。 - 請求項1乃至4の何れか一項に記載の定着装置を備える画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014008280A JP5980243B2 (ja) | 2014-01-21 | 2014-01-21 | 定着装置及び画像形成装置 |
US14/595,587 US9098036B1 (en) | 2014-01-21 | 2015-01-13 | Fixing device, image forming apparatus including fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014008280A JP5980243B2 (ja) | 2014-01-21 | 2014-01-21 | 定着装置及び画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015138073A JP2015138073A (ja) | 2015-07-30 |
JP5980243B2 true JP5980243B2 (ja) | 2016-08-31 |
Family
ID=53544692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014008280A Expired - Fee Related JP5980243B2 (ja) | 2014-01-21 | 2014-01-21 | 定着装置及び画像形成装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9098036B1 (ja) |
JP (1) | JP5980243B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08286542A (ja) * | 1995-04-14 | 1996-11-01 | Ricoh Co Ltd | 電磁誘導型定着装置 |
JPH08305203A (ja) * | 1995-05-08 | 1996-11-22 | Canon Inc | 画像形成装置の定着装置 |
JPH11329700A (ja) * | 1998-05-18 | 1999-11-30 | Canon Inc | 加熱装置及び画像形成装置 |
JP3527442B2 (ja) | 1999-10-27 | 2004-05-17 | 松下電器産業株式会社 | 像加熱装置および画像形成装置 |
JP2004079824A (ja) * | 2002-08-20 | 2004-03-11 | Fuji Xerox Co Ltd | 磁心および磁場遮蔽部材、並びにこれらを用いた励磁コイル、トランス、電気機器、および電子写真装置 |
JP5503248B2 (ja) * | 2009-10-19 | 2014-05-28 | キヤノン株式会社 | 像加熱装置 |
-
2014
- 2014-01-21 JP JP2014008280A patent/JP5980243B2/ja not_active Expired - Fee Related
-
2015
- 2015-01-13 US US14/595,587 patent/US9098036B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2015138073A (ja) | 2015-07-30 |
US20150205238A1 (en) | 2015-07-23 |
US9098036B1 (en) | 2015-08-04 |
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