HK1011759A1 - Charging member, process cartridge and image forming apparatus - Google Patents

Charging member, process cartridge and image forming apparatus

Info

Publication number
HK1011759A1
HK1011759A1 HK98112866A HK98112866A HK1011759A1 HK 1011759 A1 HK1011759 A1 HK 1011759A1 HK 98112866 A HK98112866 A HK 98112866A HK 98112866 A HK98112866 A HK 98112866A HK 1011759 A1 HK1011759 A1 HK 1011759A1
Authority
HK
Hong Kong
Prior art keywords
image forming
forming apparatus
process cartridge
charging member
charging
Prior art date
Application number
HK98112866A
Other languages
English (en)
Inventor
Junichi Kato
Satoru Inami
Masaharu Ohkubo
Original Assignee
Canon Kk
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 Kk filed Critical Canon Kk
Publication of HK1011759A1 publication Critical patent/HK1011759A1/xx

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)
  • Electrophotography Configuration And Component (AREA)
  • Rolls And Other Rotary Bodies (AREA)
HK98112866A 1993-04-28 1998-12-05 Charging member, process cartridge and image forming apparatus HK1011759A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12808893 1993-04-28
JP19289193 1993-07-06
JP6080411A JPH0792775A (ja) 1993-04-28 1994-04-19 帯電部材、帯電装置、プロセスカートリッジ及び画像形成装置

Publications (1)

Publication Number Publication Date
HK1011759A1 true HK1011759A1 (en) 1999-07-16

Family

ID=27303294

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98112866A HK1011759A1 (en) 1993-04-28 1998-12-05 Charging member, process cartridge and image forming apparatus

Country Status (6)

Country Link
US (1) US5543899A (xx)
EP (1) EP0622704B1 (xx)
JP (1) JPH0792775A (xx)
DE (1) DE69426370T2 (xx)
ES (1) ES2152289T3 (xx)
HK (1) HK1011759A1 (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0843231B1 (en) * 1993-07-30 2001-10-31 Canon Kabushiki Kaisha Charging member, charging device and process cartridge detachably mountable to image forming apparatus
US6052549A (en) * 1994-11-25 2000-04-18 Canon Kabushiki Kaisha Charging roller, and process cartridge and image-forming apparatus employing the roller
JP3225491B2 (ja) * 1994-12-07 2001-11-05 キヤノン株式会社 帯電ローラの再生方法
JP3268162B2 (ja) * 1995-04-28 2002-03-25 キヤノン株式会社 プロセスカートリッジ及び画像形成装置
JPH0973211A (ja) * 1995-09-05 1997-03-18 Canon Inc 帯電部材、プロセスカートリッジ及び画像形成装置
US5914742A (en) * 1996-11-27 1999-06-22 Lexmark International, Inc. Primary charge roller with protruding end
US5823929A (en) * 1996-12-20 1998-10-20 Genicom Corporation Reconditioning primary charge rollers for electrostatographic imaging machines
US6128462A (en) * 1998-04-02 2000-10-03 Canon Kabushiki Kaisha Cleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatus
US6175703B1 (en) 1998-10-23 2001-01-16 Canon Kabushiki Kaisha Image forming apparatus and process cartridge
US6035163A (en) * 1998-11-20 2000-03-07 Xerox Corporation Vibration absorbing bias charge roll
US6169869B1 (en) 1999-01-28 2001-01-02 Canon Kabushiki Kaisha Image forming apparatus and process cartridge
JP3768712B2 (ja) 1999-02-09 2006-04-19 キヤノン株式会社 攪拌手段、現像装置、およびプロセスカートリッジ
US6317574B1 (en) 1999-02-25 2001-11-13 Canon Kabushiki Kaisha Charging member, process cartridge, and image forming apparatus
JP2001242684A (ja) 2000-03-01 2001-09-07 Canon Inc 画像形成装置及びプロセスカートリッジ
US6688335B2 (en) * 2000-07-14 2004-02-10 Suzuki Sogyo Co., Ltd. Liquid hammer prevention device
JP2002148903A (ja) * 2000-11-09 2002-05-22 Kiitekku:Kk 帯電ローラの再生方法
US6741824B2 (en) 2002-04-23 2004-05-25 Canon Kabushiki Kaisha Charging system, process cartridge and image forming apparatus
US7010246B2 (en) 2002-06-10 2006-03-07 Ricoh Company, Ltd. Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum
US7035572B2 (en) * 2003-10-31 2006-04-25 Hewlett-Packard Development Company, L.P. Hard imaging device charging systems, electrophotography charging systems, hard imaging apparatuses, and hard imaging device electrophotography charging methods
US7835668B2 (en) * 2004-11-24 2010-11-16 Hewlett-Packard Development Company, L.P. Imaging methods, imaging member charging methods, and image engines
JP2006330483A (ja) * 2005-05-27 2006-12-07 Ricoh Co Ltd 導電性部材及びそれを有するプロセスカートリッジ、並びに、そのプロセスカートリッジを有する画像形成装置
US20070127935A1 (en) * 2005-11-30 2007-06-07 Canon Kabushiki Kaisha Image forming apparatus to which cartridges are detachably mountable
JP5264355B2 (ja) * 2008-07-31 2013-08-14 キヤノン株式会社 画像形成装置
JP5097195B2 (ja) * 2009-04-15 2012-12-12 東海ゴム工業株式会社 帯電ロール及びその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572738A (en) * 1941-11-10 1945-10-22 David Augustine Harper Improvements in polymeric materials
US4823689A (en) * 1986-03-18 1989-04-25 Canon Kabushiki Kaisha Elastic roller with internal openings for use with image forming apparatus
US4967231A (en) * 1987-12-29 1990-10-30 Kabushiki Kaisha Toshiba Apparatus for forming an electrophotographic latent image
JP2899123B2 (ja) * 1991-03-20 1999-06-02 キヤノン株式会社 帯電部材、帯電装置、この帯電装置を備えた画像形成装置及びこの画像形成装置に着脱可能なプロセスユニット
JP3262346B2 (ja) * 1991-07-31 2002-03-04 キヤノン株式会社 帯電装置及び帯電装置を有するプロセスカートリッジ又は画像形成装置
JPH05224506A (ja) * 1992-02-13 1993-09-03 Canon Inc 帯電装置

Also Published As

Publication number Publication date
DE69426370T2 (de) 2001-05-17
EP0622704B1 (en) 2000-12-06
US5543899A (en) 1996-08-06
ES2152289T3 (es) 2001-02-01
JPH0792775A (ja) 1995-04-07
DE69426370D1 (de) 2001-01-11
EP0622704A2 (en) 1994-11-02
EP0622704A3 (en) 1995-11-15

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080427