ES2152289T3 - Elemento de carga, cartucho de proceso y aparato para la formacion de imagenes. - Google Patents

Elemento de carga, cartucho de proceso y aparato para la formacion de imagenes.

Info

Publication number
ES2152289T3
ES2152289T3 ES94303065T ES94303065T ES2152289T3 ES 2152289 T3 ES2152289 T3 ES 2152289T3 ES 94303065 T ES94303065 T ES 94303065T ES 94303065 T ES94303065 T ES 94303065T ES 2152289 T3 ES2152289 T3 ES 2152289T3
Authority
ES
Spain
Prior art keywords
image formation
process cartridge
load element
sponge layer
load
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 - Lifetime
Application number
ES94303065T
Other languages
English (en)
Inventor
Satoru Inami
Masaharu Ohkubo
Junichi Kato
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 ES2152289T3 publication Critical patent/ES2152289T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Electrophotography Configuration And Component (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

UN MIEMBRO DE CARGA PARA CARGAR A UN MIEMBRO QUE TIENE QUE SER CARGADO INCLUYE UNA CAPA ESPONJOSA; UN MIEMBRO DE APOYO, PARA SOPORTAR LA CAPA ESPONJOSA Y PARA SER SUMINISTRADO CON UN VOLTAJE; UNA CAPA DE RESISTENCIA MAS CERCANA AL MIEMBRO A SER CARGADO QUE LA CAPA ESPONJOSA; EN DONDE LA CAPA ESPONJOSA TIENE UNA GRAVEDAD ESPECIFICA NO MENOR DE 0,1 Y NO MAYOR DE 0,6.
ES94303065T 1993-04-28 1994-04-27 Elemento de carga, cartucho de proceso y aparato para la formacion de imagenes. Expired - Lifetime ES2152289T3 (es)

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
ES2152289T3 true ES2152289T3 (es) 2001-02-01

Family

ID=27303294

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94303065T Expired - Lifetime ES2152289T3 (es) 1993-04-28 1994-04-27 Elemento de carga, cartucho de proceso y aparato para la formacion de imagenes.

Country Status (5)

Country Link
US (1) US5543899A (es)
EP (1) EP0622704B1 (es)
JP (1) JPH0792775A (es)
DE (1) DE69426370T2 (es)
ES (1) ES2152289T3 (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0840176B1 (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
EP0622704B1 (en) 2000-12-06
US5543899A (en) 1996-08-06
HK1011759A1 (en) 1999-07-16
DE69426370D1 (de) 2001-01-11
EP0622704A2 (en) 1994-11-02
JPH0792775A (ja) 1995-04-07
EP0622704A3 (en) 1995-11-15
DE69426370T2 (de) 2001-05-17

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