JPH0511738B2 - - Google Patents

Info

Publication number
JPH0511738B2
JPH0511738B2 JP63104166A JP10416688A JPH0511738B2 JP H0511738 B2 JPH0511738 B2 JP H0511738B2 JP 63104166 A JP63104166 A JP 63104166A JP 10416688 A JP10416688 A JP 10416688A JP H0511738 B2 JPH0511738 B2 JP H0511738B2
Authority
JP
Japan
Prior art keywords
yoke
mold
center
cavities
dividing surface
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
JP63104166A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01275113A (ja
Inventor
Kinya Horibe
Masazumi Kawai
Taiichi Hoshino
Koichiro Tsuji
Kyobumi Uchida
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.)
Yazaki Corp
Original Assignee
Yazaki 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 Yazaki Corp filed Critical Yazaki Corp
Priority to JP63104166A priority Critical patent/JPH01275113A/ja
Priority to US07/342,786 priority patent/US4904175A/en
Priority to DE3913811A priority patent/DE3913811C2/de
Priority to GB8909712A priority patent/GB2218263B/en
Publication of JPH01275113A publication Critical patent/JPH01275113A/ja
Publication of JPH0511738B2 publication Critical patent/JPH0511738B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP63104166A 1988-04-28 1988-04-28 回転プラスチックマグネットの製造装置 Granted JPH01275113A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP63104166A JPH01275113A (ja) 1988-04-28 1988-04-28 回転プラスチックマグネットの製造装置
US07/342,786 US4904175A (en) 1988-04-28 1989-04-25 Magnetic plastic rotor disk manufacturing apparatus
DE3913811A DE3913811C2 (de) 1988-04-28 1989-04-26 Vorrichtung zur Herstellung magnetischer Rotorscheiben aus Kunststoff
GB8909712A GB2218263B (en) 1988-04-28 1989-04-27 Magnetic plastic rotor disk manufacturing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63104166A JPH01275113A (ja) 1988-04-28 1988-04-28 回転プラスチックマグネットの製造装置

Publications (2)

Publication Number Publication Date
JPH01275113A JPH01275113A (ja) 1989-11-02
JPH0511738B2 true JPH0511738B2 (en]) 1993-02-16

Family

ID=14373462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63104166A Granted JPH01275113A (ja) 1988-04-28 1988-04-28 回転プラスチックマグネットの製造装置

Country Status (4)

Country Link
US (1) US4904175A (en])
JP (1) JPH01275113A (en])
DE (1) DE3913811C2 (en])
GB (1) GB2218263B (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5504424A (en) * 1993-05-28 1996-04-02 Durakool, Inc. Variable reluctance sensor utilizing a magnetic bobbin
DE202005003413U1 (de) * 2005-02-24 2006-07-13 Ebm-Papst St. Georgen Gmbh & Co. Kg Minilüfter
JP2007010343A (ja) * 2005-06-28 2007-01-18 Uchiyama Mfg Corp トーンホイールの製造方法
US20100256791A1 (en) * 2009-04-06 2010-10-07 Gm Global Technology Operations, Inc. Method and apparatus for the three-dimensional shape magnetic forming of a motor core

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999271A (en) * 1960-08-30 1961-09-12 Gen Electric Magnetic material
US3555621A (en) * 1967-04-22 1971-01-19 Tamagawa Kikai Kinzoku Kk Compacting apparatus for magnetic powders
US3842148A (en) * 1972-04-14 1974-10-15 R Loubier Method of making an integral magnetic rotor and gear
GB1506053A (en) * 1975-05-31 1978-04-05 Magnetic Polymers Ltd Apparatus and method for forming permanent magnets by moulding
GB1602276A (en) * 1977-08-01 1981-11-11 Nat Res Dev Method of and apparatus for moulding magnet compacts
JPS60206114A (ja) * 1984-03-30 1985-10-17 Nippon Radiator Co Ltd マグネツト着磁方法
JPS61112310A (ja) * 1984-11-07 1986-05-30 Sumitomo Bakelite Co Ltd 永久磁石の製造方法

Also Published As

Publication number Publication date
DE3913811C2 (de) 1995-03-30
DE3913811A1 (de) 1989-11-09
GB2218263A (en) 1989-11-08
US4904175A (en) 1990-02-27
GB8909712D0 (en) 1989-06-14
JPH01275113A (ja) 1989-11-02
GB2218263B (en) 1992-04-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees