DE60326805D1 - Entwicklungsapparat mit mehreren Entwicklerträgerelementen - Google Patents

Entwicklungsapparat mit mehreren Entwicklerträgerelementen

Info

Publication number
DE60326805D1
DE60326805D1 DE60326805T DE60326805T DE60326805D1 DE 60326805 D1 DE60326805 D1 DE 60326805D1 DE 60326805 T DE60326805 T DE 60326805T DE 60326805 T DE60326805 T DE 60326805T DE 60326805 D1 DE60326805 D1 DE 60326805D1
Authority
DE
Germany
Prior art keywords
developer carrier
carrier elements
development apparatus
multiple developer
development
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
DE60326805T
Other languages
English (en)
Inventor
Fumitake Hirobe
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 DE60326805D1 publication Critical patent/DE60326805D1/de
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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • G03G2215/0648—Two or more donor members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
DE60326805T 2002-11-14 2003-11-13 Entwicklungsapparat mit mehreren Entwicklerträgerelementen Expired - Lifetime DE60326805D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002330928 2002-11-14

Publications (1)

Publication Number Publication Date
DE60326805D1 true DE60326805D1 (de) 2009-05-07

Family

ID=32310608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60326805T Expired - Lifetime DE60326805D1 (de) 2002-11-14 2003-11-13 Entwicklungsapparat mit mehreren Entwicklerträgerelementen

Country Status (4)

Country Link
US (2) US6993274B2 (de)
EP (2) EP1760541B1 (de)
CN (1) CN1333309C (de)
DE (1) DE60326805D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191469A (ja) * 2002-12-09 2004-07-08 Canon Inc 現像装置
JP4641383B2 (ja) * 2004-04-23 2011-03-02 キヤノン株式会社 画像形成装置
US7272348B2 (en) * 2004-04-27 2007-09-18 Canon Kabushiki Kaisha Developing method using a developer with a specified degree of compression and shearing stress
JP2006091425A (ja) * 2004-09-24 2006-04-06 Ricoh Printing Systems Ltd 現像装置及びそれを用いた電子写真装置
JP2006119304A (ja) * 2004-10-20 2006-05-11 Canon Inc 画像形成装置
JP4642529B2 (ja) * 2005-03-31 2011-03-02 キヤノン株式会社 現像装置
US7389073B2 (en) * 2006-03-29 2008-06-17 Xerox Corporation Electrostatographic developer unit having multiple magnetic brush rolls having dissimilar compositions
JP4795071B2 (ja) * 2006-03-30 2011-10-19 キヤノン株式会社 現像装置
JP4988251B2 (ja) * 2006-06-02 2012-08-01 株式会社リコー 現像装置及び画像形成装置
US7356292B2 (en) * 2006-06-15 2008-04-08 Xerox Corporation Electrostatographic developer unit having multiple magnetic brush rolls with a magnetic restrictor for carrier particle emission control
CN102411289B (zh) * 2011-12-29 2013-07-31 珠海市奔码打印耗材有限公司 一种双显影辊的显影装置
EP3043212B1 (de) * 2015-01-09 2020-07-22 Ricoh Company, Ltd. Entwicklungsvorrichtung, prozesskartusche und bilderzeugungsvorrichtung damit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453720A (en) * 1966-05-05 1969-07-08 Fruehauf Corp Method of making axles
US3543720A (en) * 1968-02-29 1970-12-01 Eastman Kodak Co Apparatus for development of electrostatic images
JPS5948387B2 (ja) * 1977-01-07 1984-11-26 キヤノン株式会社 現像装置
US4679527A (en) 1985-12-27 1987-07-14 International Business Machines Corporation Magnetic brush developer
JPS62280881A (ja) * 1986-05-30 1987-12-05 Hitachi Koki Co Ltd 静電記録用現像装置
JP2751209B2 (ja) * 1988-06-17 1998-05-18 ミノルタ株式会社 現像装置
JPH0546028A (ja) 1991-08-20 1993-02-26 Canon Inc 画像形成装置
JPH05204248A (ja) * 1992-01-24 1993-08-13 Minolta Camera Co Ltd 現像装置
US5625438A (en) * 1994-05-12 1997-04-29 Ricoh Company, Ltd. Toner, and devices for electrostatically depositing a uniform application thereof
JPH086402A (ja) * 1994-06-17 1996-01-12 Hitachi Koki Co Ltd 電子写真印刷装置用現像機
US5923933A (en) * 1997-02-21 1999-07-13 Hitachi Koki Co., Ltd. Electrophotographic apparatus
JP4143229B2 (ja) * 1999-08-30 2008-09-03 キヤノン株式会社 現像装置
JP2001166590A (ja) 1999-12-10 2001-06-22 Hitachi Koki Co Ltd 画像形成装置
JP2002123086A (ja) 2000-10-17 2002-04-26 Canon Inc 現像装置及びこの現像装置を備える画像形成装置
JP4143266B2 (ja) * 2001-01-16 2008-09-03 株式会社リコー 現像装置、画像形成装置及び画像形成プロセスユニット

Also Published As

Publication number Publication date
EP1760541A2 (de) 2007-03-07
CN1501191A (zh) 2004-06-02
EP1426834A3 (de) 2004-06-16
US7054584B2 (en) 2006-05-30
EP1426834B1 (de) 2009-03-25
US20050238393A1 (en) 2005-10-27
CN1333309C (zh) 2007-08-22
US20040105705A1 (en) 2004-06-03
US6993274B2 (en) 2006-01-31
EP1426834A2 (de) 2004-06-09
EP1760541A3 (de) 2007-03-14
EP1760541B1 (de) 2011-10-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition