EP4339709A3 - Heating device, fixing device, and image forming apparatus - Google Patents

Heating device, fixing device, and image forming apparatus Download PDF

Info

Publication number
EP4339709A3
EP4339709A3 EP23218622.1A EP23218622A EP4339709A3 EP 4339709 A3 EP4339709 A3 EP 4339709A3 EP 23218622 A EP23218622 A EP 23218622A EP 4339709 A3 EP4339709 A3 EP 4339709A3
Authority
EP
European Patent Office
Prior art keywords
temperature
detector
power
resistance heating
image forming
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
Application number
EP23218622.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4339709A2 (en
Inventor
Tomoya Adachi
Yuusuke Furuichi
Yukimichi Someya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP4339709A2 publication Critical patent/EP4339709A2/en
Publication of EP4339709A3 publication Critical patent/EP4339709A3/en
Pending legal-status Critical Current

Links

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
    • 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
    • G03G15/2039—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature
    • G03G15/2042—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature specially for the axial heat partition
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0241—For photocopiers
    • 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
    • G03G2215/2019—Heating belt the belt not heating the toner or medium directly, e.g. heating a heating roller
    • 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)
  • Control Or Security For Electrophotography (AREA)
  • Control Of Resistance Heating (AREA)
EP23218622.1A 2017-12-26 2018-12-21 Heating device, fixing device, and image forming apparatus Pending EP4339709A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017249230 2017-12-26
JP2018237465A JP7302167B2 (ja) 2017-12-26 2018-12-19 加熱装置、定着装置及び画像形成装置
EP18215082.1A EP3570114A1 (en) 2017-12-26 2018-12-21 Heating device, fixing device, and image forming apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18215082.1A Division EP3570114A1 (en) 2017-12-26 2018-12-21 Heating device, fixing device, and image forming apparatus

Publications (2)

Publication Number Publication Date
EP4339709A2 EP4339709A2 (en) 2024-03-20
EP4339709A3 true EP4339709A3 (en) 2024-05-29

Family

ID=67304513

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23218622.1A Pending EP4339709A3 (en) 2017-12-26 2018-12-21 Heating device, fixing device, and image forming apparatus
EP18215082.1A Withdrawn EP3570114A1 (en) 2017-12-26 2018-12-21 Heating device, fixing device, and image forming apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18215082.1A Withdrawn EP3570114A1 (en) 2017-12-26 2018-12-21 Heating device, fixing device, and image forming apparatus

Country Status (2)

Country Link
EP (2) EP4339709A3 (enExample)
JP (2) JP7302167B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7302167B2 (ja) * 2017-12-26 2023-07-04 株式会社リコー 加熱装置、定着装置及び画像形成装置
JP2021117298A (ja) * 2020-01-23 2021-08-10 株式会社リコー 加熱装置および画像形成装置
JP7557711B2 (ja) * 2020-12-01 2024-09-30 株式会社リコー 定着装置及び画像形成装置
CN116802567B (zh) * 2021-01-28 2025-12-09 信越聚合物株式会社 定影垫
JP7620877B2 (ja) 2021-03-12 2025-01-24 株式会社リコー 定着装置及び画像形成装置
JP7630769B2 (ja) * 2021-07-05 2025-02-18 株式会社リコー 加熱装置、定着装置、画像形成装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02309382A (ja) * 1989-05-25 1990-12-25 Ricoh Co Ltd 加熱定着装置の制御装置
JP2001242740A (ja) * 2000-02-28 2001-09-07 Canon Inc 定着装置及びこの定着装置を備える画像形成装置
US20060018676A1 (en) * 2004-07-26 2006-01-26 Canon Kabushiki Kaisha Image forming apparatus and control method therefor
JP2009145386A (ja) * 2007-12-11 2009-07-02 Canon Inc 画像形成装置
US20090245900A1 (en) * 2008-03-31 2009-10-01 Toshiaki Kagawa Fixing apparatus and image forming apparatus including the same
EP2711778A2 (en) * 2012-09-19 2014-03-26 Canon Kabushiki Kaisha Heater and image heating device mounted with heater
WO2017043020A1 (en) * 2015-09-11 2017-03-16 Canon Kabushiki Kaisha Image heating device and heater for use in image heating device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4887398B2 (ja) * 2009-05-26 2012-02-29 シャープ株式会社 定着装置および該定着装置を備える画像形成装置
JP5966378B2 (ja) * 2012-01-23 2016-08-10 株式会社リコー 定着装置及び画像形成装置
JP2014016603A (ja) 2012-06-11 2014-01-30 Canon Inc 画像加熱装置及びベルト交換方法
JP6198580B2 (ja) * 2013-11-18 2017-09-20 キヤノン株式会社 像加熱装置及びこの像加熱装置を搭載する画像形成装置
JP2016139003A (ja) 2015-01-27 2016-08-04 キヤノン株式会社 像加熱装置
JP6486121B2 (ja) 2014-03-19 2019-03-20 キヤノン株式会社 像加熱装置及び像加熱装置に用いるヒータ
JP6376868B2 (ja) 2014-07-09 2018-08-22 キヤノン株式会社 画像加熱装置及び加熱器
EP3495893A1 (en) * 2017-12-08 2019-06-12 Ricoh Company, Ltd. Heating device, fixing device, and image forming apparatus
JP7302167B2 (ja) * 2017-12-26 2023-07-04 株式会社リコー 加熱装置、定着装置及び画像形成装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02309382A (ja) * 1989-05-25 1990-12-25 Ricoh Co Ltd 加熱定着装置の制御装置
JP2001242740A (ja) * 2000-02-28 2001-09-07 Canon Inc 定着装置及びこの定着装置を備える画像形成装置
US20060018676A1 (en) * 2004-07-26 2006-01-26 Canon Kabushiki Kaisha Image forming apparatus and control method therefor
JP2009145386A (ja) * 2007-12-11 2009-07-02 Canon Inc 画像形成装置
US20090245900A1 (en) * 2008-03-31 2009-10-01 Toshiaki Kagawa Fixing apparatus and image forming apparatus including the same
EP2711778A2 (en) * 2012-09-19 2014-03-26 Canon Kabushiki Kaisha Heater and image heating device mounted with heater
WO2017043020A1 (en) * 2015-09-11 2017-03-16 Canon Kabushiki Kaisha Image heating device and heater for use in image heating device

Also Published As

Publication number Publication date
EP3570114A1 (en) 2019-11-20
JP7302167B2 (ja) 2023-07-04
EP4339709A2 (en) 2024-03-20
JP2019117377A (ja) 2019-07-18
JP2023085496A (ja) 2023-06-20
JP7569023B2 (ja) 2024-10-17

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