DE3673897D1 - Magnetbuerstenvorrichtung fuer die entwicklung elektrostatischer bilder. - Google Patents

Magnetbuerstenvorrichtung fuer die entwicklung elektrostatischer bilder.

Info

Publication number
DE3673897D1
DE3673897D1 DE8686108084T DE3673897T DE3673897D1 DE 3673897 D1 DE3673897 D1 DE 3673897D1 DE 8686108084 T DE8686108084 T DE 8686108084T DE 3673897 T DE3673897 T DE 3673897T DE 3673897 D1 DE3673897 D1 DE 3673897D1
Authority
DE
Germany
Prior art keywords
magnetic brush
brush device
developing electrostatic
electrostatic images
images
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 - Fee Related
Application number
DE8686108084T
Other languages
English (en)
Inventor
Ivan Bernard Ville
Kevin Earl Yousey
James Dacosta Walling
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE3673897D1 publication Critical patent/DE3673897D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
DE8686108084T 1985-06-17 1986-06-13 Magnetbuerstenvorrichtung fuer die entwicklung elektrostatischer bilder. Expired - Fee Related DE3673897D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/744,874 US4638759A (en) 1985-06-17 1985-06-17 Magnetic brush apparatus for developing electrostatic images

Publications (1)

Publication Number Publication Date
DE3673897D1 true DE3673897D1 (de) 1990-10-11

Family

ID=24994300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686108084T Expired - Fee Related DE3673897D1 (de) 1985-06-17 1986-06-13 Magnetbuerstenvorrichtung fuer die entwicklung elektrostatischer bilder.

Country Status (4)

Country Link
US (1) US4638759A (de)
EP (1) EP0208166B1 (de)
JP (1) JPS622282A (de)
DE (1) DE3673897D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5080038A (en) * 1991-06-24 1992-01-14 Eastman Kodak Company Extended NIP development apparatus having a transport assist magnet
US5280323A (en) * 1991-09-10 1994-01-18 Xerox Corporation Development apparatus employing magnetic field shapers
US5293201A (en) * 1992-11-09 1994-03-08 Eastman Kodak Company Image forming apparatus in which toner is recycled between toner applying and cleaning stations
US5291259A (en) * 1992-11-12 1994-03-01 Eastman Kodak Company Image forming apparatus having toner cleaning device
US5296905A (en) * 1992-11-12 1994-03-22 Eastman Kodak Company Cleaning device using magnetic particulate cleaning material
US6785498B2 (en) * 2002-12-17 2004-08-31 Xerox Corporation Development system for developing an image on an image bearing member

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1006078A (en) * 1960-09-26 1965-09-29 Rank Xerox Ltd Improved cascade development of electrostatic latent images
DE1472993B2 (de) * 1963-12-18 1972-02-17 Kalle Ag, 6202 Wiesbaden-Biebrich Magnetwalze fuer elektrophotographische zwecke
US3909258A (en) * 1972-03-15 1975-09-30 Minnesota Mining & Mfg Electrographic development process
US4136637A (en) * 1977-03-09 1979-01-30 Xerox Corporation Continuous contrast development system
DE2817464A1 (de) * 1978-04-21 1979-10-31 Eisbein Develop Entwicklungsstation fuer ein elektrostatisches kopiergeraet
US4303331A (en) * 1979-11-05 1981-12-01 Xerox Corporation Magnet for use in a magnetic brush development system
US4394429A (en) * 1980-06-02 1983-07-19 Xerox Corporation Development process and apparatus
US4450220A (en) * 1981-02-25 1984-05-22 Konishiroku Photo Industry Co., Ltd. Method of charging electrostatic developer
US4357103A (en) * 1981-03-27 1982-11-02 Eastman Kodak Company Electrographic apparatus and method featuring compressed-field, magnetic brush development

Also Published As

Publication number Publication date
JPS622282A (ja) 1987-01-08
JPH0429065B2 (de) 1992-05-15
EP0208166B1 (de) 1990-09-05
US4638759A (en) 1987-01-27
EP0208166A1 (de) 1987-01-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee