JPH06266206A - 帯電ローラ - Google Patents

帯電ローラ

Info

Publication number
JPH06266206A
JPH06266206A JP27059093A JP27059093A JPH06266206A JP H06266206 A JPH06266206 A JP H06266206A JP 27059093 A JP27059093 A JP 27059093A JP 27059093 A JP27059093 A JP 27059093A JP H06266206 A JPH06266206 A JP H06266206A
Authority
JP
Japan
Prior art keywords
charging roller
surface layer
weight
charging
parts
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
JP27059093A
Other languages
English (en)
Japanese (ja)
Inventor
Kazuo Nojima
一男 野島
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
Priority to JP27059093A priority Critical patent/JPH06266206A/ja
Priority to DE1994617931 priority patent/DE69417931T2/de
Priority to ES94100436T priority patent/ES2131593T3/es
Priority to ES97107365T priority patent/ES2208783T3/es
Priority to EP97107365A priority patent/EP0810486B1/fr
Priority to EP19940100436 priority patent/EP0606907B1/fr
Priority to DE1994633430 priority patent/DE69433430T2/de
Publication of JPH06266206A publication Critical patent/JPH06266206A/ja
Priority to US08/534,003 priority patent/US5786091A/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
    • G03G15/02—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)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Rolls And Other Rotary Bodies (AREA)
JP27059093A 1991-12-02 1993-10-28 帯電ローラ Pending JPH06266206A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP27059093A JPH06266206A (ja) 1993-01-13 1993-10-28 帯電ローラ
DE1994617931 DE69417931T2 (de) 1993-01-13 1994-01-13 Aufladerolle für ein Bilderzeugungsgerät
ES94100436T ES2131593T3 (es) 1993-01-13 1994-01-13 Rollo de carga para un aparato de formacion de imagenes.
ES97107365T ES2208783T3 (es) 1993-01-13 1994-01-13 Rodillo cargador para un aparato de formacion de imagenes.
EP97107365A EP0810486B1 (fr) 1993-01-13 1994-01-13 Rouleau de chargement pour un appareil de formation d'images
EP19940100436 EP0606907B1 (fr) 1993-01-13 1994-01-13 Rouleau de chargement pour un appareil de formation d'images
DE1994633430 DE69433430T2 (de) 1993-01-13 1994-01-13 Aufladewalze für ein Bilderzeugungsgerät
US08/534,003 US5786091A (en) 1991-12-02 1995-09-25 Charge roller for an image forming apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5-3675 1993-01-13
JP367593 1993-01-13
JP27059093A JPH06266206A (ja) 1993-01-13 1993-10-28 帯電ローラ

Publications (1)

Publication Number Publication Date
JPH06266206A true JPH06266206A (ja) 1994-09-22

Family

ID=26337309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27059093A Pending JPH06266206A (ja) 1991-12-02 1993-10-28 帯電ローラ

Country Status (4)

Country Link
EP (2) EP0810486B1 (fr)
JP (1) JPH06266206A (fr)
DE (2) DE69417931T2 (fr)
ES (2) ES2131593T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839029A (en) * 1996-02-21 1998-11-17 Fuji Xerox Co., Ltd. Charging device
JP2011048272A (ja) * 2009-08-28 2011-03-10 Fuji Xerox Co Ltd 導電性ローラ用組成物、導電性ローラ、帯電装置、画像形成装置およびプロセスカートリッジならびに導電性ローラの製造方法
EP3026495A1 (fr) 2014-11-28 2016-06-01 Canon Kabushiki Kaisha Élément électroconducteur pour électrophotographie, cartouche de traitement et appareil de formation d'images électrophotographiques
US10416588B2 (en) 2016-10-31 2019-09-17 Canon Kabushiki Kaisha Charging member, process cartridge, electrophotographic image forming apparatus, and method for manufacturing charging member

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610795A (en) * 1994-08-01 1997-03-11 Xerox Corporation Self biasing charging member
DE69525214T2 (de) 1994-10-18 2002-07-11 Canon K.K., Tokio/Tokyo Verfahren zur Wiederherstellung eines Aufladungselements
JP3346970B2 (ja) * 1994-11-22 2002-11-18 日本ゼオン株式会社 ゴムロール、ゴム組成物、及び画像形成装置
US5625858A (en) * 1995-01-18 1997-04-29 Canon Kabushiki Kaisha Contact charging member, process for producing same and electrophotographic apparatus using same
US5849399A (en) * 1996-04-19 1998-12-15 Xerox Corporation Bias transfer members with fluorinated carbon filled fluoroelastomer outer layer
US6141516A (en) * 1996-06-28 2000-10-31 Xerox Corporation Fluorinated carbon filled fluoroelastomer outer layer
JP3598718B2 (ja) * 1997-03-25 2004-12-08 東海ゴム工業株式会社 半導電性ロール
US6558781B1 (en) 1999-07-12 2003-05-06 Canon Kabushiki Kaisha Conductive roller, process cartridge and image forming apparatus
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
US6620476B2 (en) 1999-08-13 2003-09-16 Xerox Corporation Nonbleeding fluorinated carbon and zinc oxide filled layer for bias charging member
EP1156388A1 (fr) * 2000-05-16 2001-11-21 Hokushin Corporation Elément de chargement
US8483591B2 (en) 2009-08-27 2013-07-09 Xerox Corporation Bias charging overcoat
US8649704B2 (en) 2009-11-20 2014-02-11 Xerox Corporation Bias charging overcoat
US8768219B2 (en) 2009-11-20 2014-07-01 Xerox Corporation Bias charging overcoat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727453A (en) * 1986-12-22 1988-02-23 Xerox Corporation Alternating current inductive charging of a photoreceptor
JP2575209B2 (ja) * 1989-07-05 1997-01-22 キヤノン株式会社 電子写真用帯電部材および電子写真装置
JPH0789249B2 (ja) * 1989-09-14 1995-09-27 キヤノン株式会社 画像形成装置
JP2765660B2 (ja) * 1990-07-20 1998-06-18 キヤノン株式会社 帯電用部材
JP3056273B2 (ja) * 1991-03-28 2000-06-26 キヤノン株式会社 帯電用部材
JP3053246B2 (ja) * 1991-04-10 2000-06-19 株式会社リコー 半導電性ローラ
US5270768A (en) * 1991-04-24 1993-12-14 Canon Kabushiki Kaisha Charging member containing reduced titanium oxide and device using same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839029A (en) * 1996-02-21 1998-11-17 Fuji Xerox Co., Ltd. Charging device
JP2011048272A (ja) * 2009-08-28 2011-03-10 Fuji Xerox Co Ltd 導電性ローラ用組成物、導電性ローラ、帯電装置、画像形成装置およびプロセスカートリッジならびに導電性ローラの製造方法
EP3026495A1 (fr) 2014-11-28 2016-06-01 Canon Kabushiki Kaisha Élément électroconducteur pour électrophotographie, cartouche de traitement et appareil de formation d'images électrophotographiques
US9442451B2 (en) 2014-11-28 2016-09-13 Canon Kabushiki Kaisha Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus
US10416588B2 (en) 2016-10-31 2019-09-17 Canon Kabushiki Kaisha Charging member, process cartridge, electrophotographic image forming apparatus, and method for manufacturing charging member

Also Published As

Publication number Publication date
DE69417931T2 (de) 1999-09-16
DE69433430T2 (de) 2004-10-07
EP0810486B1 (fr) 2003-12-17
ES2208783T3 (es) 2004-06-16
EP0810486A2 (fr) 1997-12-03
ES2131593T3 (es) 1999-08-01
EP0810486A3 (fr) 1998-04-15
EP0606907A1 (fr) 1994-07-20
EP0606907B1 (fr) 1999-04-21
DE69417931D1 (de) 1999-05-27
DE69433430D1 (de) 2004-01-29

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