GB2088252B - Magnetic brush roller - Google Patents

Magnetic brush roller

Info

Publication number
GB2088252B
GB2088252B GB8130766A GB8130766A GB2088252B GB 2088252 B GB2088252 B GB 2088252B GB 8130766 A GB8130766 A GB 8130766A GB 8130766 A GB8130766 A GB 8130766A GB 2088252 B GB2088252 B GB 2088252B
Authority
GB
United Kingdom
Prior art keywords
brush roller
magnetic brush
magnetic
roller
brush
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
GB8130766A
Other versions
GB2088252A (en
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP14220480A external-priority patent/JPS5766455A/en
Priority claimed from JP55163590A external-priority patent/JPS5786869A/en
Priority claimed from JP15522781A external-priority patent/JPS5857165A/en
Priority claimed from JP15522681A external-priority patent/JPS5857164A/en
Priority claimed from JP56155225A external-priority patent/JPS5857163A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB2088252A publication Critical patent/GB2088252A/en
Application granted granted Critical
Publication of GB2088252B publication Critical patent/GB2088252B/en
Expired 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)
GB8130766A 1980-10-11 1981-10-12 Magnetic brush roller Expired GB2088252B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP14220480A JPS5766455A (en) 1980-10-11 1980-10-11 Development device
JP55163590A JPS5786869A (en) 1980-11-20 1980-11-20 Developing device
JP15522781A JPS5857165A (en) 1981-09-30 1981-09-30 Developing device
JP15522681A JPS5857164A (en) 1981-09-30 1981-09-30 Developing device
JP56155225A JPS5857163A (en) 1981-09-30 1981-09-30 Developing device

Publications (2)

Publication Number Publication Date
GB2088252A GB2088252A (en) 1982-06-09
GB2088252B true GB2088252B (en) 1985-05-15

Family

ID=27527641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8130766A Expired GB2088252B (en) 1980-10-11 1981-10-12 Magnetic brush roller

Country Status (2)

Country Link
DE (1) DE3140478C2 (en)
GB (1) GB2088252B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58132768A (en) * 1982-02-03 1983-08-08 Hitachi Metals Ltd Developing device
JPS59193474A (en) * 1983-04-18 1984-11-02 Hitachi Metals Ltd Developing device
JP2819611B2 (en) * 1989-05-09 1998-10-30 ミノルタ株式会社 Developing device and developer carrier used therein
EP0478317B1 (en) * 1990-09-28 1996-12-04 Canon Kabushiki Kaisha Apparatus for developing electrostatic latent image and developing roller therefor
US5498837A (en) * 1992-08-13 1996-03-12 Hitachi Metals, Ltd. Sleeve for developing roll member
US6341420B1 (en) 2000-08-02 2002-01-29 Static Control Components, Inc. Method of manufacturing a developer roller
US7389073B2 (en) * 2006-03-29 2008-06-17 Xerox Corporation Electrostatographic developer unit having multiple magnetic brush rolls having dissimilar compositions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219014A (en) * 1962-12-04 1965-11-23 Xerox Corp Mechanical shield to protect magnetic core in xerographic developing apparatus
DE2659145A1 (en) * 1976-12-28 1978-07-06 Speed O Print Business Machine Development drum for electrostatic copier - has outer drum surface of aluminium-oxide for use with single component type toner
US4341179A (en) * 1979-03-01 1982-07-27 Canon Kabushiki Kaisha Developing device

Also Published As

Publication number Publication date
DE3140478A1 (en) 1982-11-18
GB2088252A (en) 1982-06-09
DE3140478C2 (en) 1985-03-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20011011