GB1449322A - Magnetic brush development apparatus - Google Patents

Magnetic brush development apparatus

Info

Publication number
GB1449322A
GB1449322A GB421174A GB421174A GB1449322A GB 1449322 A GB1449322 A GB 1449322A GB 421174 A GB421174 A GB 421174A GB 421174 A GB421174 A GB 421174A GB 1449322 A GB1449322 A GB 1449322A
Authority
GB
United Kingdom
Prior art keywords
magnetic brush
magnetic
development apparatus
brush development
roller
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
GB421174A
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of GB1449322A publication Critical patent/GB1449322A/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

Abstract

1449322 Developing electrostatic latent images FUJI XEROX CO Ltd 29 Jan 1974 [5 April 1973] 04211/74 Heading G2H A magnetic brush developing apparatus comprises at least two developer-applying magnetic brush rollers, one comprising a rotatable sleeve 10 surrounding a fixed, magnetic core having a single direction of magnetic polarization, and the other roller, which in use receives developer from the first roller, having a rotatable sleeve 15 and a fixed core with multiple directions of magnetic polarization.
GB421174A 1973-04-05 1974-01-29 Magnetic brush development apparatus Expired GB1449322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48038232A JPS49126337A (en) 1973-04-05 1973-04-05

Publications (1)

Publication Number Publication Date
GB1449322A true GB1449322A (en) 1976-09-15

Family

ID=12519542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB421174A Expired GB1449322A (en) 1973-04-05 1974-01-29 Magnetic brush development apparatus

Country Status (4)

Country Link
US (1) US3908595A (en)
JP (1) JPS49126337A (en)
DE (1) DE2414980C3 (en)
GB (1) GB1449322A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108658A (en) * 1974-03-11 1978-08-22 Oce-Van Der Grinten N.V. Process for developing electrostatic latent images
JPS50145238A (en) * 1974-05-13 1975-11-21
US3977361A (en) * 1975-05-13 1976-08-31 Fuji Xerox Co., Ltd. Magnetic brush developing device
US4266868A (en) * 1979-07-16 1981-05-12 Minnesota Mining And Manufacturing Company Multiple roll developing apparatus
US5630201A (en) * 1995-03-10 1997-05-13 Hitachi Koki Co., Ltd. Development apparatus having a plurality of rolls rotated at particular speeds
JP2013152391A (en) * 2012-01-26 2013-08-08 Fuji Xerox Co Ltd Developing device and image forming apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152924A (en) * 1961-05-24 1964-10-13 Robertson Photo Mechanix Inc Xerographic brush
US3133834A (en) * 1961-06-22 1964-05-19 Rca Corp Electrostatic developing apparatus
US3543720A (en) * 1968-02-29 1970-12-01 Eastman Kodak Co Apparatus for development of electrostatic images
US3640248A (en) * 1969-06-04 1972-02-08 Xerox Corp Electrostatic magnetic developing apparatus
US3724422A (en) * 1970-12-14 1973-04-03 Xerox Corp Magnetic brush developing apparatus

Also Published As

Publication number Publication date
DE2414980A1 (en) 1974-10-10
DE2414980C3 (en) 1980-03-06
JPS49126337A (en) 1974-12-03
DE2414980B2 (en) 1979-05-10
US3908595A (en) 1975-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee