JPH0361322B2 - - Google Patents

Info

Publication number
JPH0361322B2
JPH0361322B2 JP57065757A JP6575782A JPH0361322B2 JP H0361322 B2 JPH0361322 B2 JP H0361322B2 JP 57065757 A JP57065757 A JP 57065757A JP 6575782 A JP6575782 A JP 6575782A JP H0361322 B2 JPH0361322 B2 JP H0361322B2
Authority
JP
Japan
Prior art keywords
magnet
magnetic
magnets
pair
pole
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
Application number
JP57065757A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58182210A (ja
Inventor
Yoshio Sakata
Yasushi Kakehashi
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry 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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Priority to JP57065757A priority Critical patent/JPS58182210A/ja
Priority to EP83302253A priority patent/EP0092440B1/en
Priority to DE8383302253T priority patent/DE3370202D1/de
Priority to US06/486,888 priority patent/US4509031A/en
Publication of JPS58182210A publication Critical patent/JPS58182210A/ja
Publication of JPH0361322B2 publication Critical patent/JPH0361322B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP57065757A 1982-04-20 1982-04-20 磁気回路装置 Granted JPS58182210A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57065757A JPS58182210A (ja) 1982-04-20 1982-04-20 磁気回路装置
EP83302253A EP0092440B1 (en) 1982-04-20 1983-04-20 Magnet roller
DE8383302253T DE3370202D1 (en) 1982-04-20 1983-04-20 Magnet roller
US06/486,888 US4509031A (en) 1982-04-20 1983-04-20 Magnetic roller device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57065757A JPS58182210A (ja) 1982-04-20 1982-04-20 磁気回路装置

Publications (2)

Publication Number Publication Date
JPS58182210A JPS58182210A (ja) 1983-10-25
JPH0361322B2 true JPH0361322B2 (en, 2012) 1991-09-19

Family

ID=13296217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57065757A Granted JPS58182210A (ja) 1982-04-20 1982-04-20 磁気回路装置

Country Status (4)

Country Link
US (1) US4509031A (en, 2012)
EP (1) EP0092440B1 (en, 2012)
JP (1) JPS58182210A (en, 2012)
DE (1) DE3370202D1 (en, 2012)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135862A (ja) * 1985-12-10 1987-06-18 Canon Inc 現像装置
JPS62188110U (en, 2012) * 1986-05-21 1987-11-30
JPH073804B2 (ja) * 1987-05-22 1995-01-18 鐘淵化学工業株式会社 マグネットロ−ル用円筒状マグネット及びそれを用いたマグネットロ−ルの製造方法
US5019796A (en) * 1989-12-22 1991-05-28 Eastman Kodak Company Bar magnet for construction of a magnetic roller core
JPH0722508U (ja) * 1994-08-26 1995-04-21 鐘淵化学工業株式会社 マグネットロール
US6021296A (en) * 1997-03-06 2000-02-01 Bridgestone Corporation Magnet roller and manufacturing method thereof
US8270114B2 (en) * 2008-02-08 2012-09-18 International Business Machines Corporation Magnetically biased tilting roller bearing tape guidance
US8228635B2 (en) * 2008-02-08 2012-07-24 International Business Machines Corporation Friction engaged tilting roller bearing tape guidance
US7649710B2 (en) * 2008-02-08 2010-01-19 International Business Machines Corporation Moving magnet actuation of tape head
US7839598B2 (en) * 2008-02-08 2010-11-23 International Business Machines Corporation Balanced linkage actuation of tape head

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1614330A1 (de) * 1951-01-28 1970-12-03 Donald Peccerill Verfahren zur Herstellung von Magnetkoerpern
GB842531A (en) * 1958-12-24 1960-07-27 Mullard Ltd Permanent magnets
US3402698A (en) * 1966-06-06 1968-09-24 Konishiroku Photo Ind Magnet assembly for magnetic developing brush and developing apparatus for electrostatic process
US3454913A (en) * 1966-11-14 1969-07-08 Eriez Mfg Co Permanent magnetic pulley
US3572922A (en) * 1968-12-19 1971-03-30 Rca Corp Apparatus for developing electrostatic images
US3643629A (en) * 1969-10-20 1972-02-22 Minnesota Mining & Mfg Magnetic powder applicator
JPS5525482B2 (en, 2012) * 1972-02-24 1980-07-07
US3768054A (en) * 1972-04-03 1973-10-23 Gen Electric Low flux leakage magnet construction
US4185262A (en) * 1977-08-01 1980-01-22 Matsushita Electric Industrial Co., Ltd. Magnet device
US4161923A (en) * 1977-12-22 1979-07-24 International Business Machines Corporation Electrophotographic developer with carrier overflow control
JPS6025014B2 (ja) * 1978-07-07 1985-06-15 松下電器産業株式会社 ロ−ル状マグネットの製造法
DE3150329A1 (de) * 1981-12-18 1983-07-07 Nixdorf Computer Ag, 4790 Paderborn Vorrichtung zur magnetbuerstenentwicklung
JPS58171804A (ja) * 1982-04-02 1983-10-08 Canon Inc マグネットロールとそれを用いた現像装置

Also Published As

Publication number Publication date
DE3370202D1 (en) 1987-04-16
EP0092440A3 (en) 1984-07-18
EP0092440B1 (en) 1987-03-11
EP0092440A2 (en) 1983-10-26
JPS58182210A (ja) 1983-10-25
US4509031A (en) 1985-04-02

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