JPH0462077B2 - - Google Patents

Info

Publication number
JPH0462077B2
JPH0462077B2 JP58067036A JP6703683A JPH0462077B2 JP H0462077 B2 JPH0462077 B2 JP H0462077B2 JP 58067036 A JP58067036 A JP 58067036A JP 6703683 A JP6703683 A JP 6703683A JP H0462077 B2 JPH0462077 B2 JP H0462077B2
Authority
JP
Japan
Prior art keywords
sleeve
magnetic
toner
permanent magnet
developer
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
JP58067036A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193474A (ja
Inventor
Keitaro Yamashita
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP58067036A priority Critical patent/JPS59193474A/ja
Priority to US06/601,166 priority patent/US4597661A/en
Priority to DE3414738A priority patent/DE3414738C3/de
Publication of JPS59193474A publication Critical patent/JPS59193474A/ja
Publication of JPH0462077B2 publication Critical patent/JPH0462077B2/ja
Granted 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
    • G03G15/0928—Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP58067036A 1983-04-18 1983-04-18 現像装置 Granted JPS59193474A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58067036A JPS59193474A (ja) 1983-04-18 1983-04-18 現像装置
US06/601,166 US4597661A (en) 1983-04-18 1984-04-17 Magnet roll assembly
DE3414738A DE3414738C3 (de) 1983-04-18 1984-04-18 Magnetrollenvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58067036A JPS59193474A (ja) 1983-04-18 1983-04-18 現像装置

Publications (2)

Publication Number Publication Date
JPS59193474A JPS59193474A (ja) 1984-11-02
JPH0462077B2 true JPH0462077B2 (en]) 1992-10-05

Family

ID=13333232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58067036A Granted JPS59193474A (ja) 1983-04-18 1983-04-18 現像装置

Country Status (3)

Country Link
US (1) US4597661A (en])
JP (1) JPS59193474A (en])
DE (1) DE3414738C3 (en])

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH083681B2 (ja) * 1986-05-15 1996-01-17 ミノルタ株式会社 現像装置
GB2201360B (en) * 1987-01-30 1990-11-21 Xerox Corp Cylindrical magnets
JP2649158B2 (ja) * 1987-03-30 1997-09-03 東海ゴム工業 株式会社 電子写真現像用ロール
US5084733A (en) * 1987-10-28 1992-01-28 Canon Kabushiki Kaisha Developing apparatus having developer layer regulation means
US4989044A (en) * 1988-04-27 1991-01-29 Canon Kabushiki Kaisha Developing apparatus for developing electrostatic latent images
EP0608968B1 (en) * 1989-03-31 1998-05-27 Canon Kabushiki Kaisha A developing apparatus
DE4112429A1 (de) * 1990-04-27 1991-10-31 Seikosha Kk Entwicklungsvorrichtung fuer einen elektrofotografischen drucker
JP2899079B2 (ja) * 1990-07-10 1999-06-02 キヤノン株式会社 現像装置
US5202729A (en) * 1990-10-26 1993-04-13 Canon Kabushiki Kaisha Developing apparatus having a coated developing roller
EP0507324A3 (en) * 1991-04-05 1993-07-28 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Composite molding of resin-bonded magnet for machine parts and process for producing the same
EP0516419B1 (en) * 1991-05-29 1998-07-22 Canon Kabushiki Kaisha Developing apparatus and developer carrying member therefor
JP2809934B2 (ja) * 1992-06-17 1998-10-15 日立金属株式会社 マグネットロールの処理方法
US5550619A (en) * 1993-01-13 1996-08-27 Matsushita Electric Industrial Co., Ltd. Electrophotographic apparatus of improved low image density
US5347347A (en) * 1993-05-25 1994-09-13 Eastman Kodak Company Apparatus for applying toner to an electrostatic image having improved developer flow
US5422708A (en) * 1993-12-23 1995-06-06 Morris; Troy Apparatus and method for metering toner in laser printers
ES2146641T3 (es) * 1993-12-24 2000-08-16 Canon Kk Aparato de revelado generador de campo electrico entre un elemento portador del revelador y un elemento regulador de la capa del revelador.
JPH07234587A (ja) * 1994-02-25 1995-09-05 Hitachi Koki Co Ltd 電子写真印刷装置の現像装置
US5729805A (en) * 1994-04-28 1998-03-17 Canon Kabushiki Kaisha Image developing method using specific type toner and developing sleeve roughness
JPH11194604A (ja) * 1998-01-07 1999-07-21 Ricoh Co Ltd トナー担持体
JP2000258998A (ja) * 1998-11-06 2000-09-22 Fuji Xerox Co Ltd 現像装置及びこれに用いられる現像スリーブ
JP3466956B2 (ja) * 1999-04-28 2003-11-17 キヤノン株式会社 画像形成装置
JP2002229336A (ja) * 2000-12-01 2002-08-14 Ricoh Co Ltd 現像ローラ、現像装置及び画像形成装置
EP1372045B1 (en) 2002-06-12 2009-09-02 Ricoh Company, Ltd. Developing device using a developer carrier formed with grooves and image forming apparatus including the same
DE10227576B3 (de) * 2002-06-20 2004-02-19 OCé PRINTING SYSTEMS GMBH Entwicklerstation für eine elektrografische Druck- oder Kopiereinrichtung
US7194231B2 (en) * 2004-06-14 2007-03-20 Proweal Counter Corp. Magnetic roller for image developing means
EP1762907B1 (en) * 2005-09-13 2010-06-30 Ricoh Company, Ltd. Development roller and surface treatment device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982498A (en) * 1973-11-19 1976-09-28 Xerox Corporation Development apparatus
JPS5843739B2 (ja) * 1974-10-10 1983-09-28 キヤノン株式会社 現像装置
US4171900A (en) * 1975-03-13 1979-10-23 Brugger Richard D Copying machine
US4034709A (en) * 1975-10-22 1977-07-12 Xerox Corporation Developer roll
US4018187A (en) * 1976-06-30 1977-04-19 International Business Machines Corporation Grooved magnetic brush roll
JPS5479043A (en) * 1977-12-05 1979-06-23 Kopia Kk Developing magnet roll for electrostatic copying machine
US4377332A (en) * 1979-04-20 1983-03-22 Canon Kabushiki Kaisha Developing device
JPS55151673A (en) * 1979-05-17 1980-11-26 Canon Inc Developing device
JPS5635157A (en) * 1979-08-30 1981-04-07 Canon Inc Developing device
JPS56134445A (en) * 1980-03-24 1981-10-21 Hitachi Ltd Exposure of phosphor screen of color picture tube
GB2088252B (en) * 1980-10-11 1985-05-15 Canon Kk Magnetic brush roller

Also Published As

Publication number Publication date
JPS59193474A (ja) 1984-11-02
DE3414738A1 (de) 1984-10-18
DE3414738C2 (en]) 1990-08-23
US4597661A (en) 1986-07-01
DE3414738C3 (de) 1996-11-21

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