DE3885197D1 - Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier. - Google Patents
Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier.Info
- Publication number
- DE3885197D1 DE3885197D1 DE88112831T DE3885197T DE3885197D1 DE 3885197 D1 DE3885197 D1 DE 3885197D1 DE 88112831 T DE88112831 T DE 88112831T DE 3885197 T DE3885197 T DE 3885197T DE 3885197 D1 DE3885197 D1 DE 3885197D1
- Authority
- DE
- Germany
- Prior art keywords
- carriers
- reprography
- producing
- 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
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)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE88112831T DE3885197D1 (de) | 1987-08-17 | 1988-08-06 | Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier. |
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 |
DE88112831T DE3885197D1 (de) | 1987-08-17 | 1988-08-06 | Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3885197D1 true DE3885197D1 (de) | 1993-12-02 |
Family
ID=6333912
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873727383 Withdrawn DE3727383A1 (de) | 1987-08-17 | 1987-08-17 | Carrier fuer reprographie und verfahren zur herstellung dieser carrier |
DE88112831T Expired - Lifetime DE3885197D1 (de) | 1987-08-17 | 1988-08-06 | Carrier für Reprographie und Verfahren zur Herstellung dieser Carrier. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873727383 Withdrawn DE3727383A1 (de) | 1987-08-17 | 1987-08-17 | Carrier fuer 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)
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 |
US6228549B1 (en) * | 2000-05-17 | 2001-05-08 | Heidelberg Digital L.L.C. | Magnetic carrier particles |
US6723481B2 (en) | 2000-05-17 | 2004-04-20 | Heidelberger Druckmaschinen Ag | Method for using hard magnetic carriers in an electrographic process |
WO2003027771A1 (en) * | 2001-09-28 | 2003-04-03 | Höganäs Ab | Electrophotographic carrier core magnetite powder |
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 |
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 |
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 |
Family Cites Families (49)
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 |
BE795370A (fr) * | 1972-02-14 | 1973-05-29 | Ibm | Procede de fabrication de materiaux porteurs utilisables dans un appareil de reproduction electrophotographique |
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 |
JPS5435736A (en) * | 1977-08-26 | 1979-03-16 | Ricoh Co Ltd | Carrier material for electrophotography and production of the same |
JPS5435735A (en) * | 1977-08-26 | 1979-03-16 | Ricoh Co Ltd | Production of carrier material |
JPS55155363A (en) * | 1979-05-21 | 1980-12-03 | Minolta Camera Co Ltd | Carrier for dry developer |
US4245026A (en) * | 1979-12-26 | 1981-01-13 | Xerox Corporation | Production of low density coated magnetic polymer carrier particulate materials |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
JPS59111127A (ja) * | 1982-12-15 | 1984-06-27 | Olympus Optical Co Ltd | 立体視フアイバ−スコ−プ |
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 |
-
1987
- 1987-08-17 DE DE19873727383 patent/DE3727383A1/de not_active Withdrawn
-
1988
- 1988-08-06 DE DE88112831T patent/DE3885197D1/de not_active Expired - Lifetime
- 1988-08-06 EP EP88112831A patent/EP0303918B1/de not_active Expired - Lifetime
- 1988-08-17 US US07/233,050 patent/US4925762A/en not_active Expired - Fee Related
- 1988-08-17 JP JP63203310A patent/JPS6468766A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3727383A1 (de) | 1989-03-02 |
EP0303918A3 (en) | 1989-11-08 |
EP0303918A2 (de) | 1989-02-22 |
EP0303918B1 (de) | 1993-10-27 |
US4925762A (en) | 1990-05-15 |
JPS6468766A (en) | 1989-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8330 | Complete renunciation |