JPH0136935B2 - - Google Patents

Info

Publication number
JPH0136935B2
JPH0136935B2 JP57081504A JP8150482A JPH0136935B2 JP H0136935 B2 JPH0136935 B2 JP H0136935B2 JP 57081504 A JP57081504 A JP 57081504A JP 8150482 A JP8150482 A JP 8150482A JP H0136935 B2 JPH0136935 B2 JP H0136935B2
Authority
JP
Japan
Prior art keywords
carrier
toner
developer
average particle
surface area
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
Application number
JP57081504A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58199355A (ja
Inventor
Rikuo Kashiwagi
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP57081504A priority Critical patent/JPS58199355A/ja
Priority to US06/483,517 priority patent/US4482621A/en
Priority to EP83104092A priority patent/EP0095050B1/en
Priority to DE8383104092T priority patent/DE3376454D1/de
Priority to CA000426805A priority patent/CA1245500A/en
Publication of JPS58199355A publication Critical patent/JPS58199355A/ja
Publication of JPH0136935B2 publication Critical patent/JPH0136935B2/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
    • 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
    • G03G9/108—Ferrite carrier, e.g. magnetite

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
JP57081504A 1982-05-17 1982-05-17 二成分系現像剤 Granted JPS58199355A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57081504A JPS58199355A (ja) 1982-05-17 1982-05-17 二成分系現像剤
US06/483,517 US4482621A (en) 1982-05-17 1983-04-11 Two-component type dry developer
EP83104092A EP0095050B1 (en) 1982-05-17 1983-04-26 Two-component type dry developer
DE8383104092T DE3376454D1 (en) 1982-05-17 1983-04-26 Two-component type dry developer
CA000426805A CA1245500A (en) 1982-05-17 1983-04-27 Two-component type dry developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57081504A JPS58199355A (ja) 1982-05-17 1982-05-17 二成分系現像剤

Publications (2)

Publication Number Publication Date
JPS58199355A JPS58199355A (ja) 1983-11-19
JPH0136935B2 true JPH0136935B2 (enExample) 1989-08-03

Family

ID=13748186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57081504A Granted JPS58199355A (ja) 1982-05-17 1982-05-17 二成分系現像剤

Country Status (4)

Country Link
US (1) US4482621A (enExample)
EP (1) EP0095050B1 (enExample)
JP (1) JPS58199355A (enExample)
DE (1) DE3376454D1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938755A (ja) * 1982-08-30 1984-03-02 Konishiroku Photo Ind Co Ltd 静電荷像現像用キヤリア
US4626487A (en) * 1983-08-03 1986-12-02 Canon Kabushiki Kaisha Particulate developer containing inorganic scraper particles and image forming method using the same
JPS6087352A (ja) * 1983-10-19 1985-05-17 Canon Inc トナ−塗布方法
JPH0648399B2 (ja) * 1984-02-17 1994-06-22 三田工業株式会社 静電像の現像方法
GB2158257B (en) * 1984-03-09 1987-12-31 Canon Kk Developing an electrophotographic latent image
US4609603A (en) * 1984-12-14 1986-09-02 Xerox Corporation Process for achieving consistent high quality images with magnetic developer composition
JPH0740142B2 (ja) * 1985-11-05 1995-05-01 日本カーバイド工業株式会社 静電荷像現像用トナ−
JP2742258B2 (ja) * 1986-05-01 1998-04-22 シャープ株式会社 静電潜像を現像する現像剤
US5260160A (en) * 1988-08-30 1993-11-09 Tdk Corporation Magnetic composition and method for developing electrostatic latent images
US5381219A (en) * 1992-11-02 1995-01-10 Eastman Kodak Company Size distribution of carrier particles for use in a magnetic brush
US5547797A (en) * 1993-08-05 1996-08-20 Minolta Co., Ltd. Developer for developing electrostatic latent images
US6534232B1 (en) * 1999-05-10 2003-03-18 Ricoh Company, Ltd. Electrophotographic image formation method, carrier for two-component developer, two-component developer, container holding therein the two-component developer, and electrophotographic image formation apparatus
EP1490438B1 (en) * 2002-03-28 2009-06-24 Arizona Chemical Company Resinates from monomer fatty acids
JP2003345064A (ja) * 2002-05-28 2003-12-03 Ricoh Co Ltd 電子写真用トナー
JP6633898B2 (ja) * 2015-11-27 2020-01-22 Ｄｏｗａエレクトロニクス株式会社 キャリア芯材並びにこれを用いた電子写真現像用キャリア及び電子写真用現像剤
JP7703933B2 (ja) * 2021-07-19 2025-07-08 京セラドキュメントソリューションズ株式会社 現像装置及び画像形成装置
JP7690801B2 (ja) * 2021-07-19 2025-06-11 京セラドキュメントソリューションズ株式会社 現像装置及び画像形成装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838054A (en) * 1972-03-21 1974-09-24 Eastman Kodak Co Electrostatic developer composition containing both rough and smooth carrier particles
US3969251A (en) * 1974-05-30 1976-07-13 Xerox Corporation Developer mixture
US4040969A (en) * 1974-05-30 1977-08-09 Xerox Corporation High surface area carrier
JPS51117040A (en) * 1975-04-07 1976-10-14 Toshiba Corp Developer for electronic photography
JPS5233732A (en) * 1975-09-10 1977-03-15 Kanto Denka Kogyo Kk Method fro manufacturing carriers for electrophotography
JPS5252639A (en) * 1975-10-27 1977-04-27 Mita Ind Co Ltd Electrostatic photographic developer
US4108786A (en) * 1975-12-16 1978-08-22 Mita Industrial Company Ltd. Magnetic dry developer for electrostatic photography and process for preparation thereof
JPS53110836A (en) * 1977-03-09 1978-09-27 Konishiroku Photo Ind Co Ltd Iron powder developing carrier for electrostatic image and its manufacture as well as developing and agent image formation method
JPS5913732B2 (ja) * 1977-07-05 1984-03-31 コニカ株式会社 鉄粉現像担体及びその製造方法並びに現像剤と画像形成方法
JPS5684402A (en) * 1979-12-14 1981-07-09 Nippon Teppun Kk Iron powder as core materials for resin-coated carrier
US4379825A (en) * 1980-02-14 1983-04-12 Canon Kabushiki Kaisha Porous electrophotographic toner and preparation process of making

Also Published As

Publication number Publication date
EP0095050B1 (en) 1988-04-27
US4482621A (en) 1984-11-13
EP0095050A2 (en) 1983-11-30
DE3376454D1 (en) 1988-06-01
JPS58199355A (ja) 1983-11-19
EP0095050A3 (en) 1984-07-11

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