DE69435008D1 - Rolle, Aufladegerät und Bilderzeugungsgerät unter Verwendung derselben - Google Patents

Rolle, Aufladegerät und Bilderzeugungsgerät unter Verwendung derselben

Info

Publication number
DE69435008D1
DE69435008D1 DE69435008T DE69435008T DE69435008D1 DE 69435008 D1 DE69435008 D1 DE 69435008D1 DE 69435008 T DE69435008 T DE 69435008T DE 69435008 T DE69435008 T DE 69435008T DE 69435008 D1 DE69435008 D1 DE 69435008D1
Authority
DE
Germany
Prior art keywords
charger
roller
same
image forming
forming apparatus
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
Application number
DE69435008T
Other languages
English (en)
Other versions
DE69435008T2 (de
Inventor
Junji Kurokawa
Toshio Nakahara
Norimasa Soumiya
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
Priority claimed from JP15448293A external-priority patent/JP3317748B2/ja
Priority claimed from JP15448393A external-priority patent/JPH06342234A/ja
Priority claimed from JP13250094A external-priority patent/JPH0749602A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE69435008D1 publication Critical patent/DE69435008D1/de
Publication of DE69435008T2 publication Critical patent/DE69435008T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0225—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers provided with means for cleaning the charging member
DE69435008T 1993-05-31 1994-05-31 Rolle, Aufladegerät und Bilderzeugungsgerät unter Verwendung derselben Expired - Fee Related DE69435008T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP15448293 1993-05-31
JP15448293A JP3317748B2 (ja) 1993-05-31 1993-05-31 ローラ帯電装置およびそれを用いた画像形成装置
JP15448493 1993-05-31
JP15448393A JPH06342234A (ja) 1993-05-31 1993-05-31 ローラ帯電装置
JP15448393 1993-05-31
JP15448493 1993-05-31
JP13250094 1994-05-24
JP13250094A JPH0749602A (ja) 1993-05-31 1994-05-24 ローラ帯電装置

Publications (2)

Publication Number Publication Date
DE69435008D1 true DE69435008D1 (de) 2007-09-13
DE69435008T2 DE69435008T2 (de) 2008-04-30

Family

ID=27471691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69435008T Expired - Fee Related DE69435008T2 (de) 1993-05-31 1994-05-31 Rolle, Aufladegerät und Bilderzeugungsgerät unter Verwendung derselben

Country Status (4)

Country Link
US (1) US5619311A (de)
EP (1) EP0629928B1 (de)
CN (2) CN1049745C (de)
DE (1) DE69435008T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659854A (en) * 1994-08-30 1997-08-19 Bridgestone Corporation Electrostatic charging member and photoconductor device
US6052549A (en) * 1994-11-25 2000-04-18 Canon Kabushiki Kaisha Charging roller, and process cartridge and image-forming apparatus employing the roller
JPH08328352A (ja) * 1995-05-30 1996-12-13 Ricoh Co Ltd 帯電部材およびそれを用いた帯電装置
JPH0943937A (ja) * 1995-07-27 1997-02-14 Fujitsu Ltd 導電性ブラシ帯電装置
JPH09244359A (ja) * 1996-03-11 1997-09-19 Ricoh Co Ltd 画像形成装置
JPH10123800A (ja) * 1996-10-19 1998-05-15 Ricoh Co Ltd 画像形成装置
US5823929A (en) * 1996-12-20 1998-10-20 Genicom Corporation Reconditioning primary charge rollers for electrostatographic imaging machines
JP3515890B2 (ja) * 1997-11-26 2004-04-05 株式会社リコー 画像形成装置の帯電装置
JPH11174783A (ja) * 1997-12-10 1999-07-02 Ricoh Co Ltd 多機能型接触帯電・転写装置
JP3527910B2 (ja) 1998-08-31 2004-05-17 グンゼ株式会社 帯電ローラ式電子写真複写装置
CN1182442C (zh) * 1999-10-15 2004-12-29 株式会社理光 感光体组件及图像形成装置
EP1156388A1 (de) 2000-05-16 2001-11-21 Hokushin Corporation Aufladungselement
JP2002055512A (ja) * 2000-05-30 2002-02-20 Ricoh Co Ltd 帯電装置および該帯電装置を有する画像形成装置
JP2002116679A (ja) * 2000-07-31 2002-04-19 Ricoh Co Ltd 画像形成装置及び画像形成方法
JP2002055521A (ja) * 2000-08-10 2002-02-20 Minolta Co Ltd 現像装置及び画像形成装置
JP2002169447A (ja) 2000-09-22 2002-06-14 Ricoh Co Ltd 画像形成装置及び画像形成方法
CN100403187C (zh) 2000-10-27 2008-07-16 株式会社理光 图像形成方法及其装置
JP2002244359A (ja) 2000-12-13 2002-08-30 Ricoh Co Ltd 画像形成装置及び画像形成方法
JP2003076160A (ja) 2001-03-02 2003-03-14 Ricoh Co Ltd 画像形成装置、画像形成方法及び両面転写方法
JP2003057905A (ja) 2001-06-05 2003-02-28 Ricoh Co Ltd 画像形成装置及び該画像形成装置を備えた画像形成システム
JP2003076082A (ja) 2001-06-22 2003-03-14 Ricoh Co Ltd 記録体支持部材、記録体搬送装置、画像形成装置、画像形成システム、記録体搬送方法及び画像形成方法
EP1296202A3 (de) 2001-09-21 2003-06-18 Ricoh Company, Ltd. Verfahren und Gerät zur Herstellung von zweiseitigen Drucken und hiermit arbeitendes Bilderzeugungssystem
US7039349B2 (en) * 2002-10-31 2006-05-02 Ricoh Company, Ltd. Image forming apparatus transferring toner images to both surfaces of a recording medium
US7054587B2 (en) * 2003-06-23 2006-05-30 Ricoh Company, Ltd. Image forming apparatus for recording on two sides in a single pass
US7149466B2 (en) * 2004-02-12 2006-12-12 Sumitomo Rubber Industries, Ltd. Conductive rubber member
JP4765544B2 (ja) * 2005-10-21 2011-09-07 富士ゼロックス株式会社 画像形成装置
JP5146983B2 (ja) * 2005-11-16 2013-02-20 シンジーテック株式会社 導電性ゴム部材
JP4844154B2 (ja) * 2006-02-14 2011-12-28 富士ゼロックス株式会社 画像形成装置
JP4246213B2 (ja) * 2006-04-28 2009-04-02 シャープ株式会社 帯電方法
JP5038233B2 (ja) * 2007-06-25 2012-10-03 東海ゴム工業株式会社 帯電ロール
JP2009042550A (ja) * 2007-08-09 2009-02-26 Ricoh Co Ltd 導電性部材、プロセスカートリッジ、及び、画像形成装置、並びに、プロセスカートリッジの製造方法
JP2010117456A (ja) * 2008-11-12 2010-05-27 Kyocera Mita Corp クリーニング装置及びこれを備えた帯電装置、画像形成装置
EP2703899B1 (de) * 2011-04-27 2015-07-08 Canon Kabushiki Kaisha Ladeelement, prozesskartusche, elektrophotographische vorrichtung und verfahren zur herstellung des ladeelements
CN110632834B (zh) 2015-09-15 2021-10-08 佳能株式会社 图像形成装置

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58121077A (ja) * 1982-01-14 1983-07-19 Fuji Xerox Co Ltd 電子写真装置
JPS58142368A (ja) * 1982-02-17 1983-08-24 Konishiroku Photo Ind Co Ltd ロ−ラクリ−ニング装置
JPS58194061A (ja) * 1982-05-10 1983-11-11 Toshiba Corp ロ−ラ−帯電装置
JPS63149668A (ja) * 1986-12-15 1988-06-22 Canon Inc 帯電方法及び同装置並びにこの装置を備えた電子写真装置
US4727453A (en) * 1986-12-22 1988-02-23 Xerox Corporation Alternating current inductive charging of a photoreceptor
JPS63208878A (ja) * 1987-02-26 1988-08-30 Canon Inc 帯電装置
JPS6466673A (en) * 1987-09-08 1989-03-13 Tokai Rubber Ind Ltd Conductive roll
EP0312230B1 (de) * 1987-10-05 1994-05-25 Canon Kabushiki Kaisha Bilderzeugungsgerät
US4967231A (en) * 1987-12-29 1990-10-30 Kabushiki Kaisha Toshiba Apparatus for forming an electrophotographic latent image
JPH0664393B2 (ja) * 1988-02-11 1994-08-22 キヤノン株式会社 帯電用部材、それを有する接触帯電装置、それを用いた接触帯電方法およびそれを有する電子写真装置
JPH0830915B2 (ja) * 1988-02-19 1996-03-27 キヤノン株式会社 帯電部材、それを用いた帯電装置および電子写真装置
JP2623681B2 (ja) * 1988-04-28 1997-06-25 キヤノン株式会社 接触帯電装置
JP2860404B2 (ja) * 1989-03-03 1999-02-24 キヤノン株式会社 帯電部材および該帯電部材を有する電子写真装置
JP2658424B2 (ja) * 1989-09-14 1997-09-30 キヤノン株式会社 帯電装置
JPH0789249B2 (ja) * 1989-09-14 1995-09-27 キヤノン株式会社 画像形成装置
JP2877373B2 (ja) * 1989-09-14 1999-03-31 キヤノン株式会社 帯電装置
JPH03107877A (ja) * 1989-09-21 1991-05-08 Konica Corp 画像形成装置
JP2705780B2 (ja) * 1989-12-25 1998-01-28 キヤノン株式会社 接触帯電部材
JPH03200191A (ja) * 1989-12-28 1991-09-02 Toshiba Corp 画像形成装置
DE69125406T2 (de) * 1990-01-24 1997-10-30 Canon Kk Aufladegerät
JPH0437776A (ja) * 1990-06-01 1992-02-07 Canon Inc 画像形成装置
JPH04157484A (ja) * 1990-10-22 1992-05-29 Ricoh Co Ltd 接触帯電方式の画像形成装置
JPH04268583A (ja) * 1991-02-22 1992-09-24 Canon Inc 帯電装置
US5270768A (en) * 1991-04-24 1993-12-14 Canon Kabushiki Kaisha Charging member containing reduced titanium oxide and device using same
EP0515164A3 (en) * 1991-05-20 1993-11-03 Canon Kk Charger having charging blade, image forming apparatus having same and process cartridge having same
JPH04353877A (ja) * 1991-05-30 1992-12-08 Canon Inc 画像形成装置
JPH0535052A (ja) * 1991-07-31 1993-02-12 Canon Inc 帯電装置及び帯電装置を有するプロセスカートリツジ又は画像形成装置
EP0534437B1 (de) * 1991-09-27 1997-06-11 Bridgestone Corporation Kontaktaufladegerät und Verfahren
JP2880356B2 (ja) * 1991-10-30 1999-04-05 沖電気工業株式会社 画像形成装置及び画像形成方法
JP3134007B2 (ja) * 1991-11-13 2001-02-13 株式会社リコー 画像形成装置
JP2574107B2 (ja) * 1991-12-02 1997-01-22 株式会社リコー 帯電ローラ及びその製造方法，及び帯電ローラを用いた画像形成装置及びその帯電装置
US5312662A (en) * 1991-12-18 1994-05-17 Tokai Rubber Industries, Ltd. Conductive roll
US5342717A (en) * 1993-02-03 1994-08-30 Industrial Technology Research Institute Charging component for electrophotographic process containing a protective layer of conductive carbon black particles in polyether-ester-amide block copolymer
JP3400054B2 (ja) * 1993-05-31 2003-04-28 株式会社リコー 画像形成装置
JPH07128958A (ja) * 1993-09-10 1995-05-19 Ricoh Co Ltd 帯電ローラおよびそれを用いた画像形成装置

Also Published As

Publication number Publication date
EP0629928B1 (de) 2007-08-01
US5619311A (en) 1997-04-08
CN1101135A (zh) 1995-04-05
EP0629928A2 (de) 1994-12-21
CN1049745C (zh) 2000-02-23
EP0629928A3 (de) 1998-07-29
CN1250890A (zh) 2000-04-19
CN1231821C (zh) 2005-12-14
DE69435008T2 (de) 2008-04-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee