DE69008922D1 - Verfahren zum Verpacken von permanentmagnetischem Pulver. - Google Patents

Verfahren zum Verpacken von permanentmagnetischem Pulver.

Info

Publication number
DE69008922D1
DE69008922D1 DE69008922T DE69008922T DE69008922D1 DE 69008922 D1 DE69008922 D1 DE 69008922D1 DE 69008922 T DE69008922 T DE 69008922T DE 69008922 T DE69008922 T DE 69008922T DE 69008922 D1 DE69008922 D1 DE 69008922D1
Authority
DE
Germany
Prior art keywords
magnetic powder
permanent magnetic
packaging permanent
packaging
powder
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 - Fee Related
Application number
DE69008922T
Other languages
English (en)
Other versions
DE69008922T2 (de
Inventor
Yoshio Matsuo
Hirofumi Nakano
Masakuni Kamiya
Kazuo Matsui
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.)
FDK Corp
Original Assignee
FDK 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
Priority claimed from JP1095916A external-priority patent/JPH0628214B2/ja
Priority claimed from JP10405689A external-priority patent/JPH0711013B2/ja
Application filed by FDK Corp filed Critical FDK Corp
Application granted granted Critical
Publication of DE69008922D1 publication Critical patent/DE69008922D1/de
Publication of DE69008922T2 publication Critical patent/DE69008922T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/004—Filling molds with powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/008—Applying a magnetic field to the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H01F41/028—Radial anisotropy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2202/00—Treatment under specific physical conditions
    • B22F2202/05—Use of magnetic field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
DE69008922T 1989-04-15 1990-02-13 Verfahren zum Verpacken von permanentmagnetischem Pulver. Expired - Fee Related DE69008922T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1095916A JPH0628214B2 (ja) 1989-04-15 1989-04-15 ボンド磁石の製造方法
JP10405689A JPH0711013B2 (ja) 1989-04-24 1989-04-24 永久磁石粉体の充填方法及び充填装置

Publications (2)

Publication Number Publication Date
DE69008922D1 true DE69008922D1 (de) 1994-06-23
DE69008922T2 DE69008922T2 (de) 1994-09-01

Family

ID=26437080

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69008922T Expired - Fee Related DE69008922T2 (de) 1989-04-15 1990-02-13 Verfahren zum Verpacken von permanentmagnetischem Pulver.

Country Status (3)

Country Link
US (2) US5004580A (de)
EP (1) EP0393815B1 (de)
DE (1) DE69008922T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5342574A (en) * 1989-04-14 1994-08-30 Daido Tokushuko Kabushiki Kaisha Method for producing anisotropic rare earth magnet
JP2819748B2 (ja) * 1990-03-23 1998-11-05 大同特殊鋼株式会社 薄肉長尺リング状磁石成形体の成形方法
JP2756471B2 (ja) * 1993-03-12 1998-05-25 セイコーインスツルメンツ株式会社 ラジアル配向磁石の製造方法およびラジアル配向磁石
US5725928A (en) * 1995-02-17 1998-03-10 Velcro Industries B.V. Touch fastener with magnetic attractant
US6540863B2 (en) 1995-02-17 2003-04-01 Velcro Industries B.V. Forming fastener components of multiple streams of resin
JP3554604B2 (ja) * 1995-04-18 2004-08-18 インターメタリックス株式会社 圧粉体成形方法及び該方法に使用するゴムモールド
US6187259B1 (en) * 1995-06-26 2001-02-13 Sumitomo Special Metals Co., Ltd. Method for preparing rare-earth system sintered magnet
CN1176476C (zh) * 1999-12-09 2004-11-17 株式会社新王磁材 磁粉的供给方法与装置及磁铁的制造方法
DE10356964A1 (de) * 2003-12-05 2005-07-07 Vacuumschmelze Gmbh & Co. Kg Verfahren und Mischwerkstoff zur Herstellung eines kunststoffgebundenen Magneten sowie derartiger Magnet
JP4391897B2 (ja) * 2004-07-01 2009-12-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置
DE102005017543A1 (de) * 2005-04-16 2006-10-19 Balda Solutions Deutschland Gmbh Verfahren und Vorrichtung zur Herstellung eines Kunststoffbauteils

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1283496A (fr) * 1961-03-07 1962-02-02 Indiana General Corp Procédé de moulage à sec de poudres de ferrites durs
DE1205617B (de) * 1964-02-14 1965-11-25 Deutsche Edelstahlwerke Ag Verfahren und Vorrichtung zum UEberwachen der Staerke eines Magnetfeldes
FR1462732A (fr) * 1965-03-30 1966-12-16 Deutsche Edelstahlwerke Ag Dispositif permettant de fabriquer des éléments en poudre comprimée doués d'une aimantation permanente
US3555621A (en) * 1967-04-22 1971-01-19 Tamagawa Kikai Kinzoku Kk Compacting apparatus for magnetic powders
US3556000A (en) * 1967-12-08 1971-01-19 Du Pont Magnetic calender
US3985843A (en) * 1971-09-17 1976-10-12 Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst Process for molding ring magnets for radially oriented particles
US4250128A (en) * 1975-01-29 1981-02-10 Magna Motors Corporation Processes and apparatuses for preparing permanent magnet stators
CS213750B1 (en) * 1979-08-03 1982-04-09 Vaclav Landa Method of making the anizotropic permanent magnets
JPS5731109A (en) * 1980-08-01 1982-02-19 Hitachi Metals Ltd Manufacture of cylindrical anisotropic permanent magnet
JPS5948742B2 (ja) * 1982-03-05 1984-11-28 住友ベークライト株式会社 磁場成形用金型
JPS59216453A (ja) * 1983-05-20 1984-12-06 Hitachi Metals Ltd 円筒状永久磁石の製造方法
US4776902A (en) * 1984-03-30 1988-10-11 Union Oil Company Of California Method for making rare earth-containing magnets
US4592889A (en) * 1985-03-21 1986-06-03 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for the pressing and alignment of radially oriented toroidal magnets
US4678634A (en) * 1985-04-18 1987-07-07 Shin-Etsu Chemical Co., Ltd. Method for the preparation of an anisotropic sintered permanent magnet
JPS6284898A (ja) * 1985-10-11 1987-04-18 Tohoku Metal Ind Ltd 径方向２極磁石の製造方法
JPS62224601A (ja) * 1986-03-25 1987-10-02 Tdk Corp 焼結体の製造方法
US4931092A (en) * 1988-12-21 1990-06-05 The Dow Chemical Company Method for producing metal bonded magnets
US4911882A (en) * 1989-02-08 1990-03-27 Sps Technologies, Inc. Process for producing permanent magnets

Also Published As

Publication number Publication date
US5135375A (en) 1992-08-04
DE69008922T2 (de) 1994-09-01
EP0393815B1 (de) 1994-05-18
EP0393815A1 (de) 1990-10-24
US5004580A (en) 1991-04-02

Similar Documents

Publication Publication Date Title
DE69000378D1 (de) Verfahren und vorrichtung zum agglomerieren von pulver.
DE59007759D1 (de) Verfahren und Vorrichtung zum Verpacken von Gegenständen.
DE3851046D1 (de) Verfahren zum Füllen von Polygonen.
DE59305499D1 (de) Verfahren zum herstellen von dreidimensionalen objekten
DE68914773D1 (de) Verfahren zum Herstellen von teilchengefüllten mikroporösen Gegenständen.
DE69213582D1 (de) Verfahren zum Einlagern von Gegenständen
DE3672214D1 (de) Verfahren zum formen von pulver.
DE69201913D1 (de) Verfahren zum Trocknen von Gegenständen.
DE68916778D1 (de) Verfahren zum Entbinden von Spritzgegossenen Gegenständen.
DE69308282D1 (de) Vorrichtung zum Fördern von Pulver
DE68900853D1 (de) Verfahren zum formen von rohlingen aus warmformbarem material.
DE69121095D1 (de) Vorrichtung zum erzeugen von magnetfeldern
DE69429326D1 (de) Verfahren zum Granulieren von Pulver
DE69008922D1 (de) Verfahren zum Verpacken von permanentmagnetischem Pulver.
DE69005205D1 (de) Verfahren zum Formen von Pulver.
DE69002098D1 (de) Verfahren und vorrichtung zum ueberziehen von pulver.
DE68903456D1 (de) Verfahren zum giessen von pulver.
DE69126963D1 (de) Vorrichtung zum erzeugen von magnetfeldern
DE68915189D1 (de) Verfahren zum Fleckenabweisendmachen von Polyamidmaterialien.
DE69205482D1 (de) Verfahren zum Verpacken von Gegenständen.
DE69017816D1 (de) Verfahren zum Aufspulen von Garn.
FI913423A0 (fi) Menetelmä palautettujen säiliöiden valitsemiseksi
DE69121094D1 (de) Vorrichtung zum erzeugen von magnetfeldern
DE59005005D1 (de) Verfahren zum auftragen von keramischem material.
DE3881797D1 (de) Verfahren zum hydrophobieren von kieselerde.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee