FR2372500A1 - - Google Patents

Info

Publication number
FR2372500A1
FR2372500A1 FR7735174A FR7735174A FR2372500A1 FR 2372500 A1 FR2372500 A1 FR 2372500A1 FR 7735174 A FR7735174 A FR 7735174A FR 7735174 A FR7735174 A FR 7735174A FR 2372500 A1 FR2372500 A1 FR 2372500A1
Authority
FR
France
Prior art keywords
measured
application
magnetic powder
relates
magnets
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.)
Granted
Application number
FR7735174A
Other languages
English (en)
French (fr)
Other versions
FR2372500B1 (
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of FR2372500A1 publication Critical patent/FR2372500A1/fr
Application granted granted Critical
Publication of FR2372500B1 publication Critical patent/FR2372500B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
    • H01F1/117Flexible bodies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
FR7735174A 1976-11-24 1977-11-23 Expired FR2372500B1 ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14017776A JPS5364797A (en) 1976-11-24 1976-11-24 Rubber, plastic magnet and magnetic powder for them

Publications (2)

Publication Number Publication Date
FR2372500A1 true FR2372500A1 ( ) 1978-06-23
FR2372500B1 FR2372500B1 ( ) 1983-01-14

Family

ID=15262671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7735174A Expired FR2372500B1 ( ) 1976-11-24 1977-11-23

Country Status (4)

Country Link
US (1) US4308155A ( )
JP (1) JPS5364797A ( )
FR (1) FR2372500B1 ( )
IT (1) IT1088033B ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610077A1 (en) * 1993-02-04 1994-08-10 Kabushiki Kaisha Toshiba Magnetic powder and high density magnetic recording medium using same

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3217099A1 (de) * 1982-05-07 1983-11-10 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung einer magnetdispersion
JPS5962957U (ja) * 1982-10-18 1984-04-25 牧野 正勝 石材回転装置
DE3376911D1 (en) * 1982-12-14 1988-07-07 Shinetsu Chemical Co Plastic magnets impregnated with a dye-coated metallic magnet powder
JPS59158016A (ja) * 1983-02-28 1984-09-07 ティーディーケイ株式会社 電磁シ−ルド材料
DE3408012A1 (de) * 1984-03-05 1985-09-05 Gerhard Dipl.-Ing. Warren Mich. Mesenich Elektromagnetisches einspritzventil
US4719027A (en) * 1984-04-02 1988-01-12 Raistrick James H Article having magnetic properties and production thereof
JPS61237405A (ja) * 1985-04-12 1986-10-22 Kanegafuchi Chem Ind Co Ltd 多極着磁磁石
JPH0744099B2 (ja) * 1985-04-19 1995-05-15 鐘淵化学工業株式会社 軟質磁性材料組成物
JPS6244886U ( ) * 1985-09-03 1987-03-18
US4689163A (en) * 1986-02-24 1987-08-25 Matsushita Electric Industrial Co., Ltd. Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder
JPS63274114A (ja) * 1987-05-02 1988-11-11 Sawafuji:Kk プラスチック磁石
DE3825494A1 (de) * 1988-07-27 1990-02-01 Ruetgerswerke Ag Magnetisch haftende daempfungsfolie und verfahren zu ihrer herstellung
US5069972A (en) * 1988-09-12 1991-12-03 Versic Ronald J Moldable microcapsule that contains a high percentage of solid core material, and method of manufacture thereof
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
US5002677A (en) * 1989-09-19 1991-03-26 The B. F. Goodrich Company Flexible high energy magnetic blend compositions based on ferrite particles in highly saturated nitrile rubber and methods of processing the same
US5498644A (en) * 1993-09-10 1996-03-12 Specialty Silicone Products, Inc. Silcone elastomer incorporating electrically conductive microballoons and method for producing same
JP2000049008A (ja) * 1998-07-29 2000-02-18 Tdk Corp 圧粉コア用強磁性粉末、圧粉コアおよびその製造方法
JP2000091115A (ja) * 1998-09-07 2000-03-31 Kureha Chem Ind Co Ltd 樹脂組成物及び成形体
EP1081721A3 (en) * 1999-09-01 2001-07-25 Toda Kogyo Corporation Magnetic sheet
US6436520B1 (en) * 1999-09-01 2002-08-20 Toda Kogyo Corporation Magnetic display device
DE19945619A1 (de) * 1999-09-23 2001-04-19 Bosch Gmbh Robert Preßmasse und Verfahren zur Herstellung eines weichmagnetischen Verbundwerkstoffes mit der Preßmasse
EP1199729A1 (en) * 2000-10-20 2002-04-24 The Arnold Engineering Company Flexible, moldable bonded magnet and process for producing same
US6790378B2 (en) 2001-10-05 2004-09-14 R. William Graham Coating composition having magnetic properties
US6606765B2 (en) 2001-12-21 2003-08-19 Ben C. Edmondson Coiled tie-down devices
JP4555953B2 (ja) * 2003-02-14 2010-10-06 Dowaエレクトロニクス株式会社 フエライト磁性粉の製法
JP2004327669A (ja) 2003-04-24 2004-11-18 Dowa Mining Co Ltd ボンド磁石およびボンド磁石用フェライト磁性粉
US7261834B2 (en) * 2003-05-20 2007-08-28 The Board Of Regents Of The University And Community College System Of Nevada On Behalf Of The University Of Nevada, Reno Tunable magneto-rheological elastomers and processes for their manufacture
US20080179336A1 (en) * 2007-01-29 2008-07-31 James Whitney Method and article for deterring theft of returnable containers
JP4538020B2 (ja) * 2007-05-09 2010-09-08 キヤノン化成株式会社 マグネットローラ及び該マグネットローラを用いた現像装置
EP2632809B1 (en) 2010-10-27 2015-11-18 Intercontinental Great Brands LLC Magnetically closable product accommodating package
EP2960290B1 (en) 2013-02-21 2019-01-30 NOK Corporation Nitrile rubber composition
US9872555B2 (en) * 2013-07-13 2018-01-23 Geek Wraps, Inc. Magnetic belt assembly
US9687067B2 (en) * 2013-07-13 2017-06-27 Geek Wraps, Inc. Magnetic attachment assembly
JP5687323B1 (ja) * 2013-09-30 2015-03-18 住友理工株式会社 吸音カバー、吸音アセンブリ、および磁気誘導発泡成形装置
US11654349B2 (en) * 2019-04-24 2023-05-23 Scale Up The Fun, Llc Hobby projectile
EP4245803A1 (en) 2020-11-16 2023-09-20 NOK Corporation Nitrile rubber-based composition

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112583C ( ) * 1900-01-01
US2837483A (en) * 1954-04-20 1958-06-03 Philips Corp Method of making a permanent magnet
DE1571622A1 (de) * 1963-04-01 1971-01-07 Minnesota Mining & Mfg Verfahren zur Herstellung von Magneten
US3561919A (en) * 1969-06-13 1971-02-09 Joseph W Ayers Iron oxide-ferrite production process
FR2089928A5 ( ) * 1970-04-20 1972-01-07 British Steel Corp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964793A (en) * 1957-11-13 1960-12-20 Leyman Corp Method of making permanent magnets
FR1323095A (fr) 1962-03-30 1963-04-05 Goodrich Co B F Aimants souples
CH418664A (de) * 1963-06-06 1966-08-15 Matec Holding Ag Entdröhnungs- und Abdichtungsmittel
US3428603A (en) * 1967-01-16 1969-02-18 Goodrich Co B F Processing aids in preparation of nbr flexible magnets
US3764539A (en) * 1970-10-14 1973-10-09 Community Building Ass Of Wash Flexible ferrite permanent magnet and methods for its manufacture
DE2143718C3 (de) * 1971-09-01 1978-08-17 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten
US3884823A (en) * 1971-09-27 1975-05-20 Shell Oil Co Ceramic permanent magnet
JPS5127247B2 ( ) * 1972-08-18 1976-08-11
JPS5228158B2 ( ) * 1973-06-20 1977-07-25
JPS5437679B2 ( ) * 1974-04-26 1979-11-16
JPS6035806B2 (ja) * 1976-08-24 1985-08-16 鐘淵化学工業株式会社 プラスチツク磁石及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112583C ( ) * 1900-01-01
US2837483A (en) * 1954-04-20 1958-06-03 Philips Corp Method of making a permanent magnet
DE1571622A1 (de) * 1963-04-01 1971-01-07 Minnesota Mining & Mfg Verfahren zur Herstellung von Magneten
US3561919A (en) * 1969-06-13 1971-02-09 Joseph W Ayers Iron oxide-ferrite production process
FR2089928A5 ( ) * 1970-04-20 1972-01-07 British Steel Corp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610077A1 (en) * 1993-02-04 1994-08-10 Kabushiki Kaisha Toshiba Magnetic powder and high density magnetic recording medium using same
US5766763A (en) * 1993-02-04 1998-06-16 Kabushiki Kaisha Toshiba Hexagonal system ferrite powder for a high density magnetic recording medium

Also Published As

Publication number Publication date
US4308155A (en) 1981-12-29
FR2372500B1 ( ) 1983-01-14
IT1088033B (it) 1985-06-04
JPS5364797A (en) 1978-06-09
JPS5526605B2 ( ) 1980-07-15

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