EP0289979A1 - Aimants en matière synthétique - Google Patents

Aimants en matière synthétique Download PDF

Info

Publication number
EP0289979A1
EP0289979A1 EP19880107032 EP88107032A EP0289979A1 EP 0289979 A1 EP0289979 A1 EP 0289979A1 EP 19880107032 EP19880107032 EP 19880107032 EP 88107032 A EP88107032 A EP 88107032A EP 0289979 A1 EP0289979 A1 EP 0289979A1
Authority
EP
European Patent Office
Prior art keywords
powder
plastic magnets
magnets
ferrite
plastic
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.)
Withdrawn
Application number
EP19880107032
Other languages
German (de)
English (en)
Inventor
Tadashi Sawafuji
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.)
SAWAFUJI CO Ltd
Original Assignee
SAWAFUJI 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 SAWAFUJI CO Ltd filed Critical SAWAFUJI CO Ltd
Publication of EP0289979A1 publication Critical patent/EP0289979A1/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets 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
    • H01F1/04—Magnets 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 metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0578—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together bonded together
EP19880107032 1987-05-02 1988-05-02 Aimants en matière synthétique Withdrawn EP0289979A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP109382/87 1987-05-02
JP62109382A JPS63274114A (ja) 1987-05-02 1987-05-02 プラスチック磁石

Publications (1)

Publication Number Publication Date
EP0289979A1 true EP0289979A1 (fr) 1988-11-09

Family

ID=14508822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880107032 Withdrawn EP0289979A1 (fr) 1987-05-02 1988-05-02 Aimants en matière synthétique

Country Status (2)

Country Link
EP (1) EP0289979A1 (fr)
JP (1) JPS63274114A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0375093A2 (fr) * 1988-12-23 1990-06-27 Dresser Industries, Inc. Capteur sensible électromécanique
US5062981A (en) * 1989-06-27 1991-11-05 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Magnet and method for manufacturing the same
US5257639A (en) * 1988-12-23 1993-11-02 Dresser Industries, Inc. Electropneumatic positioner
WO2003017293A1 (fr) * 2001-08-14 2003-02-27 General Electric Company Aimant permanent pour dispositif electromagnetique et procede de preparation
US6652767B2 (en) * 2001-04-09 2003-11-25 Enplas Corporation Composition for plastic magnet
DE102019008033A1 (de) * 2019-11-20 2021-05-20 Forschungszentrum Jülich GmbH Anordnung von zweipoligen Permanentmagneten zu einem Array und dessen Verwendung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05284678A (ja) * 1992-03-31 1993-10-29 Mabuchi Motor Co Ltd 小型モータ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022701A (en) * 1974-04-26 1977-05-10 Japan Special Steel Co., Ltd. High-performance anisotropic plastics magnet and a process for producing the same
US4184972A (en) * 1978-07-31 1980-01-22 Alexeevsky Vadim V Magnetodielectric material
DE3006736A1 (de) * 1979-02-23 1980-09-04 Inoue Japax Res Verfahren und vorrichtung zur herstellung eines elastomeren magnetischen gegenstandes
US4308155A (en) * 1976-11-24 1981-12-29 Tdk Electronics Co., Ltd. Rubber or plastic magnet and magnetic powder for making the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022701A (en) * 1974-04-26 1977-05-10 Japan Special Steel Co., Ltd. High-performance anisotropic plastics magnet and a process for producing the same
US4308155A (en) * 1976-11-24 1981-12-29 Tdk Electronics Co., Ltd. Rubber or plastic magnet and magnetic powder for making the same
US4184972A (en) * 1978-07-31 1980-01-22 Alexeevsky Vadim V Magnetodielectric material
DE3006736A1 (de) * 1979-02-23 1980-09-04 Inoue Japax Res Verfahren und vorrichtung zur herstellung eines elastomeren magnetischen gegenstandes

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0375093A2 (fr) * 1988-12-23 1990-06-27 Dresser Industries, Inc. Capteur sensible électromécanique
EP0375093A3 (fr) * 1988-12-23 1991-12-18 Dresser Industries, Inc. Capteur sensible électromécanique
US5257639A (en) * 1988-12-23 1993-11-02 Dresser Industries, Inc. Electropneumatic positioner
US5062981A (en) * 1989-06-27 1991-11-05 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Magnet and method for manufacturing the same
US6652767B2 (en) * 2001-04-09 2003-11-25 Enplas Corporation Composition for plastic magnet
WO2003017293A1 (fr) * 2001-08-14 2003-02-27 General Electric Company Aimant permanent pour dispositif electromagnetique et procede de preparation
DE102019008033A1 (de) * 2019-11-20 2021-05-20 Forschungszentrum Jülich GmbH Anordnung von zweipoligen Permanentmagneten zu einem Array und dessen Verwendung
WO2021098896A1 (fr) * 2019-11-20 2021-05-27 Forschungszentrum Jülich GmbH Agencement d'aimants permanents bipolaires pour donner un réseau et utilisation associée

Also Published As

Publication number Publication date
JPS63274114A (ja) 1988-11-11

Similar Documents

Publication Publication Date Title
US4832891A (en) Method of making an epoxy bonded rare earth-iron magnet
EP0289979A1 (fr) Aimants en matière synthétique
CN1008489B (zh) 软磁材料复合体及其成型方法
EP0783466A1 (fr) Procede de fabrication de corps formes en ferrites dures
CN113764148A (zh) 一种异方性粘结磁体及其制备方法
US5176842A (en) Method of manufacturing a resin bound magnet
JP2002080725A (ja) 磁性体粒子含有成形物
JPH0439204B2 (fr)
JPH0715124B2 (ja) 磁気特性の優れた磁性複合材料の製造方法
JP2719792B2 (ja) 複合磁石の製造方法
JP2963305B2 (ja) 樹脂結合型希土類磁石
JP2573168B2 (ja) 軟質磁性材料組成物の成形方法
CN116313471A (zh) 一种各向异性粘结磁体的制备方法
KR100201684B1 (ko) 희토류 마그네트 제조방법
RU2084033C1 (ru) Способ получения магнитопластов
JPH02116104A (ja) 樹脂結合永久磁石およびその製造方法
JPH0450725B2 (fr)
JPH01310522A (ja) 樹脂結合型永久磁石の製造方法
JPS589566A (ja) ステツピングモ−タ用磁路構成部材
JPS5931005A (ja) 複合軟磁性材料
CN117831926A (zh) 粘结钕铁硼-铁氧体永磁体及其制备方法和应用
JPS6324607A (ja) 希土類ボンド磁石
JPS61247003A (ja) 磁極用突起を有する成型体
JPS63308904A (ja) ボンド磁石の製造方法
JPS63119212A (ja) プラスチツク磁石の製造方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19890427

17Q First examination report despatched

Effective date: 19920127

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19920810