EP0303918A3 - Carrier for copying systems and manufacturing process thereof - Google Patents

Carrier for copying systems and manufacturing process thereof Download PDF

Info

Publication number
EP0303918A3
EP0303918A3 EP88112831A EP88112831A EP0303918A3 EP 0303918 A3 EP0303918 A3 EP 0303918A3 EP 88112831 A EP88112831 A EP 88112831A EP 88112831 A EP88112831 A EP 88112831A EP 0303918 A3 EP0303918 A3 EP 0303918A3
Authority
EP
European Patent Office
Prior art keywords
carrier
manufacturing process
copying systems
copying
systems
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.)
Granted
Application number
EP88112831A
Other languages
English (en)
Other versions
EP0303918A2 (de
EP0303918B1 (de
Inventor
Werner Dr. Ostertag
Erwin Dr. Czech
Franz-Ulrich Dr. Schmitt
Detlef Dr. Schulze-Hagenest
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of EP0303918A2 publication Critical patent/EP0303918A2/de
Publication of EP0303918A3 publication Critical patent/EP0303918A3/de
Application granted granted Critical
Publication of EP0303918B1 publication Critical patent/EP0303918B1/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
    • 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
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • 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
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1139—Inorganic components of coatings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
EP88112831A 1987-08-17 1988-08-06 Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier Expired - Lifetime EP0303918B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873727383 DE3727383A1 (de) 1987-08-17 1987-08-17 Carrier fuer reprographie und verfahren zur herstellung dieser carrier
DE3727383 1987-08-17

Publications (3)

Publication Number Publication Date
EP0303918A2 EP0303918A2 (de) 1989-02-22
EP0303918A3 true EP0303918A3 (en) 1989-11-08
EP0303918B1 EP0303918B1 (de) 1993-10-27

Family

ID=6333912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88112831A Expired - Lifetime EP0303918B1 (de) 1987-08-17 1988-08-06 Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier

Country Status (4)

Country Link
US (1) US4925762A (de)
EP (1) EP0303918B1 (de)
JP (1) JPS6468766A (de)
DE (2) DE3727383A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3831091A1 (de) * 1988-09-13 1990-03-29 Basf Ag Oxidbeschichtete carrier, ein verfahren zur herstellung dieser carrier und deren verwendung
US5021315A (en) * 1989-06-07 1991-06-04 Olin Hunt Sub I Corp. Method for making magnetic particles having improved conductivity and their use in electrostatographic printing applications
DE4140900A1 (de) * 1991-12-12 1993-06-17 Basf Ag Als carrier fuer die elektrophotographie geeignete teilchen
DE4403678A1 (de) * 1994-02-07 1995-08-10 Basf Ag Metalloxid- und metallbeschichtete Carrier für die Elektrophotographie
DE4409966A1 (de) * 1994-03-23 1995-09-28 Basf Ag Zweifach mit Metalloxid beschichtete Carrier für die Elektrophotographie
US6342273B1 (en) 1994-11-16 2002-01-29 Dsm N.V. Process for coating a substrate with a powder paint composition
US5795692A (en) * 1997-03-31 1998-08-18 Xerox Corporation Carrier composition and processes thereof
US6723481B2 (en) 2000-05-17 2004-04-20 Heidelberger Druckmaschinen Ag Method for using hard magnetic carriers in an electrographic process
US6228549B1 (en) * 2000-05-17 2001-05-08 Heidelberg Digital L.L.C. Magnetic carrier particles
EP1430363A1 (de) * 2001-09-28 2004-06-23 Höganäs Ab Elektrophotographisches trägerkernmagnetitpulver
US20040211531A1 (en) * 2003-04-28 2004-10-28 Dybdahl Shawn D. Thermal solar screen and method of assembly thereof
JP2009084649A (ja) * 2007-10-01 2009-04-23 Taiyo Yuden Co Ltd マグネタイト被覆鉄粉末の製造方法
JP6569173B2 (ja) * 2015-01-28 2019-09-04 パウダーテック株式会社 外殻構造を有するフェライト粒子
JP6225400B2 (ja) * 2015-01-28 2017-11-08 パウダーテック株式会社 外殻構造を有する触媒担持体用フェライト粒子

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172121A1 (en) * 1972-02-14 1973-09-28 Ibm Coating carrier particles - for use in toner/carrier developers for latent electrostatic images
US4245026A (en) * 1979-12-26 1981-01-13 Xerox Corporation Production of low density coated magnetic polymer carrier particulate materials

Family Cites Families (47)

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Publication number Priority date Publication date Assignee Title
DE221014C (de) *
US3306768A (en) * 1964-01-08 1967-02-28 Motorola Inc Method of forming thin oxide films
US3798167A (en) * 1971-01-28 1974-03-19 Ibm Electrophotographic developer having controlled triboelectric characteristics
US3767477A (en) * 1971-12-27 1973-10-23 Eastman Kodak Co Method for producing oxide coated iron powder of controlled resistance for electrostatic copying systems
GB1421603A (en) * 1972-02-14 1976-01-21 Ibm Coated carrier particles for use in electrophotographic processes and their preparation
CA1020796A (en) * 1973-01-29 1977-11-15 Xerox Corporation Developer mixture
US3923503A (en) * 1973-06-11 1975-12-02 Xerox Corp Electrostatic latent image development employing steel carrier particles
JPS50127641A (de) * 1974-03-27 1975-10-07
CA1103079A (en) * 1976-04-05 1981-06-16 Xerox Corporation Semi-conductive steel carrier particles
US4223085A (en) * 1976-04-05 1980-09-16 Xerox Corporation Semi-conductive nickel carrier particles
US4267247A (en) * 1976-09-10 1981-05-12 Xerox Corporation Low specific gravity magnetic carrier materials
JPS547343A (en) * 1977-06-20 1979-01-20 Ricoh Co Ltd Carrier material for electrophotographic development
JPS547342A (en) * 1977-06-20 1979-01-20 Ricoh Co Ltd Carrier material for electrophotographic development
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
JPS5435735A (en) * 1977-08-26 1979-03-16 Ricoh Co Ltd Production of carrier material
JPS5435736A (en) * 1977-08-26 1979-03-16 Ricoh Co Ltd Carrier material for electrophotography and production of the same
JPS55155363A (en) * 1979-05-21 1980-12-03 Minolta Camera Co Ltd Carrier for dry developer
US4238558A (en) * 1979-12-26 1980-12-09 Xerox Corporation Low density magnetic polymer carrier materials produced by metal carbonyl thermal decomposition
DE3003352A1 (de) * 1980-01-31 1981-08-06 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von eisenoxidbelegten metallpigmenten
JPS5778553A (en) * 1980-11-04 1982-05-17 Canon Inc Resin coated carrier of developer for electrophotography
JPS5793355A (en) * 1980-12-01 1982-06-10 Canon Inc Coated carrier composition for electrophotography
JPS57112758A (en) * 1980-12-30 1982-07-13 Ricoh Co Ltd Carrier for use in electrophotographic developer
JPS58208754A (ja) * 1982-05-28 1983-12-05 Canon Inc 被覆キヤリヤ−
JPS5913243A (ja) * 1982-07-14 1984-01-24 Fujitsu Ltd 電子写真用キャリアとその製造方法
JPS5918955A (ja) * 1982-07-23 1984-01-31 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
JPS5948774A (ja) * 1982-09-13 1984-03-21 Nippon Teppun Kk 電子写真現像用キヤリヤ
JPS59111127A (ja) * 1982-12-15 1984-06-27 Olympus Optical Co Ltd 立体視フアイバ−スコ−プ
JPS59111158A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111159A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111157A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111163A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111161A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111160A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111162A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59111926A (ja) * 1982-12-15 1984-06-28 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59127058A (ja) * 1983-01-11 1984-07-21 Hitachi Metals Ltd 電子写真用現像剤
JPS59127057A (ja) * 1983-01-11 1984-07-21 Hitachi Metals Ltd 電子写真用現像剤
JPS59131942A (ja) * 1983-01-18 1984-07-28 Hitachi Metals Ltd 電子写真用現像剤
US4540645A (en) * 1983-01-31 1985-09-10 Mita Industrial Co Ltd Magnetic brush development method
JPH065393B2 (ja) * 1983-05-28 1994-01-19 キヤノン株式会社 被覆キヤリヤ−
JPS6087352A (ja) * 1983-10-19 1985-05-17 Canon Inc トナ−塗布方法
JPS6090345A (ja) * 1983-10-24 1985-05-21 Fuji Xerox Co Ltd 電子複写機の現像剤キヤリヤ
JPS60170863A (ja) * 1984-02-15 1985-09-04 Hitachi Metals Ltd 電子写真用二成分現像剤
JPS60179749A (ja) * 1984-02-28 1985-09-13 Hitachi Metals Ltd 静電荷像現像剤用キヤリア
JPS60263955A (ja) * 1984-06-13 1985-12-27 Hitachi Metals Ltd 静電荷像現像剤用キヤリア
JPS616661A (ja) * 1984-06-20 1986-01-13 Konishiroku Photo Ind Co Ltd 磁性体分散型マイクロキヤリア
JPS61192749A (ja) * 1985-02-21 1986-08-27 Hinode Kagaku Kogyo Kk 導電性雲母粉末およびその製造法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172121A1 (en) * 1972-02-14 1973-09-28 Ibm Coating carrier particles - for use in toner/carrier developers for latent electrostatic images
US4245026A (en) * 1979-12-26 1981-01-13 Xerox Corporation Production of low density coated magnetic polymer carrier particulate materials

Also Published As

Publication number Publication date
DE3727383A1 (de) 1989-03-02
US4925762A (en) 1990-05-15
EP0303918A2 (de) 1989-02-22
JPS6468766A (en) 1989-03-14
EP0303918B1 (de) 1993-10-27
DE3885197D1 (de) 1993-12-02

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