DE69003605D1 - Aufladungsteil und elektrophotographisches geraet hiermit. - Google Patents

Aufladungsteil und elektrophotographisches geraet hiermit.

Info

Publication number
DE69003605D1
DE69003605D1 DE90112771T DE69003605T DE69003605D1 DE 69003605 D1 DE69003605 D1 DE 69003605D1 DE 90112771 T DE90112771 T DE 90112771T DE 69003605 T DE69003605 T DE 69003605T DE 69003605 D1 DE69003605 D1 DE 69003605D1
Authority
DE
Germany
Prior art keywords
charging part
electrophotographic device
device hereby
hereby
electrophotographic
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
DE90112771T
Other languages
English (en)
Other versions
DE69003605T2 (de
Inventor
Yuichi Hashimoto
Takashi Koyama
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69003605D1 publication Critical patent/DE69003605D1/de
Publication of DE69003605T2 publication Critical patent/DE69003605T2/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
DE90112771T 1989-07-05 1990-07-04 Aufladungsteil und elektrophotographisches Gerät hiermit. Expired - Fee Related DE69003605T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1173225A JP2575209B2 (ja) 1989-07-05 1989-07-05 電子写真用帯電部材および電子写真装置

Publications (2)

Publication Number Publication Date
DE69003605D1 true DE69003605D1 (de) 1993-11-04
DE69003605T2 DE69003605T2 (de) 1994-02-03

Family

ID=15956461

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90112771T Expired - Fee Related DE69003605T2 (de) 1989-07-05 1990-07-04 Aufladungsteil und elektrophotographisches Gerät hiermit.

Country Status (4)

Country Link
US (1) US5017965A (de)
EP (1) EP0406834B1 (de)
JP (1) JP2575209B2 (de)
DE (1) DE69003605T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177534A (en) * 1989-12-04 1993-01-05 Canon Kabushiki Kaisha Image forming apparatus with contact-type charge means
US5597652A (en) * 1990-01-12 1997-01-28 Bridgestone Corporation Conductive roll
EP0476981B1 (de) * 1990-09-21 1995-08-02 Katsuragawa Electric Co., Ltd. Verfahren und Gerät zur Erzeugung von elektrophotographischen Bildern
JPH04195144A (ja) * 1990-11-28 1992-07-15 Matsushita Electric Ind Co Ltd 電子写真用感光体
JPH0535166A (ja) * 1991-07-31 1993-02-12 Canon Inc 画像形成装置
EP0534437B1 (de) * 1991-09-27 1997-06-11 Bridgestone Corporation Kontaktaufladegerät und Verfahren
US5786091A (en) * 1991-12-02 1998-07-28 Ricoh Company, Ltd. Charge roller for an image forming apparatus
DE4244917C2 (de) * 1991-12-02 2000-05-18 Ricoh Kk Ladevorrichtung zum Laden eines photoleitfähigen Elements und Verfahren zum Herstellen der Ladevorrichtung
JPH06266206A (ja) * 1993-01-13 1994-09-22 Ricoh Co Ltd 帯電ローラ
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
EP0578071B1 (de) * 1992-06-26 1998-09-02 Canon Kabushiki Kaisha Kontaktaufladelement und Gerät, das dieses verwendet
US5471285A (en) * 1993-04-16 1995-11-28 Bando Chemical Industries, Ltd. Charging member having a surface layer formed of moisture-permeable synthetic resin material and charging device including the same
US5406356A (en) * 1993-08-09 1995-04-11 Lexmark International, Inc. Liquid toner imaging with contact charging
DE69511006T2 (de) * 1994-05-30 1999-12-23 Canon K.K., Tokio/Tokyo Aufladungsteil und Bilderzeugungsgerät zur Anwendung derselben
US5506745A (en) * 1994-08-05 1996-04-09 Xerox Corporation Hollow conformable charge roll
EP0735437B1 (de) * 1995-03-29 2004-06-09 Canon Kabushiki Kaisha Kontaktaufladeelement und damit versehenes elektrophotographisches Gerät
US5536611A (en) * 1995-03-31 1996-07-16 Minnesota Mining And Manufacturing Company Dispersing polymers for phthalocyanine pigments used in organic photoconductors
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
US5581329A (en) * 1995-10-05 1996-12-03 Imaging Rechargers Inc. Contact charger
JP3322101B2 (ja) * 1995-11-10 2002-09-09 ミノルタ株式会社 ファクシミリ装置
US6141516A (en) * 1996-06-28 2000-10-31 Xerox Corporation Fluorinated carbon filled fluoroelastomer outer layer
US6620476B2 (en) 1999-08-13 2003-09-16 Xerox Corporation Nonbleeding fluorinated carbon and zinc oxide filled layer for bias charging member
US6203855B1 (en) 1999-08-13 2001-03-20 Xerox Corporation Process for preparing nonbleeding fluorinated carbon and zinc oxide filler layer for bias charging member
US7937023B2 (en) * 2004-07-09 2011-05-03 Eastman Kodak Company Method and a composition for producing an undercoat layer using dialkyl malonate blocked isocyanates (for electrophotographic applications)
JP5146982B2 (ja) * 2005-11-01 2013-02-20 シンジーテック株式会社 導電性ゴム部材
JP4998718B2 (ja) * 2007-05-11 2012-08-15 株式会社ブリヂストン ポリウレタン発泡体及びそれを用いた導電性ローラ
WO2008140020A1 (ja) * 2007-05-11 2008-11-20 Bridgestone Corporation 導電性ローラ
US8483591B2 (en) * 2009-08-27 2013-07-09 Xerox Corporation Bias charging overcoat
US8768219B2 (en) * 2009-11-20 2014-07-01 Xerox Corporation Bias charging overcoat
US8649704B2 (en) * 2009-11-20 2014-02-11 Xerox Corporation Bias charging overcoat
JP2014085584A (ja) * 2012-10-25 2014-05-12 Konica Minolta Inc 中間転写体、転写装置および画像形成装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784294A (en) * 1969-10-03 1974-01-08 Xerox Corp Image density control
US3737310A (en) * 1969-10-03 1973-06-05 Xerox Corp Background reduction
US4259003A (en) * 1979-08-06 1981-03-31 Savin Corporation Imaging surface discharge and cleaning apparatus for electrophotographic copier
JPS5630426A (en) * 1979-08-22 1981-03-27 Toray Ind Inc Polyurethane resin and polyurethane resin paint composition
JPS56144454A (en) * 1980-04-11 1981-11-10 Toshiba Corp Electrophotographic method
JPS58150975A (ja) * 1982-03-03 1983-09-07 Canon Inc 摺擦帯電装置
JPS61148468A (ja) * 1984-12-24 1986-07-07 Oki Electric Ind Co Ltd 電子写真装置
JPS6377919A (ja) * 1986-09-22 1988-04-08 Toyo Tire & Rubber Co Ltd 低硬度ポリウレタンエラストマ−
US4851960A (en) * 1986-12-15 1989-07-25 Canon Kabushiki Kaisha Charging device
US4727453A (en) * 1986-12-22 1988-02-23 Xerox Corporation Alternating current inductive charging of a photoreceptor
JPH087485B2 (ja) * 1987-09-08 1996-01-29 東海ゴム工業株式会社 導電性ロール
JPS6473634A (en) * 1987-09-14 1989-03-17 Nec Corp Analyzing method for operation of integrated circuit
JPH01172858A (ja) * 1987-12-26 1989-07-07 Canon Inc 接触帯電装置
US4959688A (en) * 1987-10-19 1990-09-25 Canon Kabushiki Kaisha Image forming apparatus having charging and discharging means
CN1038277C (zh) * 1987-12-28 1998-05-06 佳能公司 成象设备
US4967231A (en) * 1987-12-29 1990-10-30 Kabushiki Kaisha Toshiba Apparatus for forming an electrophotographic latent image
JP2649929B2 (ja) * 1988-01-11 1997-09-03 キヤノン株式会社 帯電部材及び電子写真装置
JPH01179958A (ja) * 1988-01-11 1989-07-18 Canon Inc 画像形成装置
US4922299A (en) * 1988-04-07 1990-05-01 Unico Co., Ltd. Electrostatic charge emitting apparatus
JPH01261675A (ja) * 1988-04-13 1989-10-18 Canon Inc 電子写真用帯電方法及び電子写真用帯電装置

Also Published As

Publication number Publication date
DE69003605T2 (de) 1994-02-03
US5017965A (en) 1991-05-21
EP0406834B1 (de) 1993-09-29
JP2575209B2 (ja) 1997-01-22
EP0406834A2 (de) 1991-01-09
EP0406834A3 (en) 1991-03-27
JPH0338663A (ja) 1991-02-19

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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