JPS55145326A - Manufacturing method of anistropic magnet - Google Patents

Manufacturing method of anistropic magnet

Info

Publication number
JPS55145326A
JPS55145326A JP5344779A JP5344779A JPS55145326A JP S55145326 A JPS55145326 A JP S55145326A JP 5344779 A JP5344779 A JP 5344779A JP 5344779 A JP5344779 A JP 5344779A JP S55145326 A JPS55145326 A JP S55145326A
Authority
JP
Japan
Prior art keywords
section
gate
runner
metal mold
forming cavity
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.)
Pending
Application number
JP5344779A
Other languages
English (en)
Inventor
Takeshi Anpo
Takahiro Motone
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP5344779A priority Critical patent/JPS55145326A/ja
Publication of JPS55145326A publication Critical patent/JPS55145326A/ja
Pending 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
JP5344779A 1979-05-02 1979-05-02 Manufacturing method of anistropic magnet Pending JPS55145326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5344779A JPS55145326A (en) 1979-05-02 1979-05-02 Manufacturing method of anistropic magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5344779A JPS55145326A (en) 1979-05-02 1979-05-02 Manufacturing method of anistropic magnet

Publications (1)

Publication Number Publication Date
JPS55145326A true JPS55145326A (en) 1980-11-12

Family

ID=12943098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5344779A Pending JPS55145326A (en) 1979-05-02 1979-05-02 Manufacturing method of anistropic magnet

Country Status (1)

Country Link
JP (1) JPS55145326A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943328A1 (de) * 1988-12-29 1990-07-05 Seikosha Kk Verfahren zur herstellung eines ringroehrenfoermigen dauermagneten und herstellungsform fuer diesen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943328A1 (de) * 1988-12-29 1990-07-05 Seikosha Kk Verfahren zur herstellung eines ringroehrenfoermigen dauermagneten und herstellungsform fuer diesen

Similar Documents

Publication Publication Date Title
JPS53102960A (en) Injection mold
JPS642602A (en) Forming method for slider of slide fastener
GB1065377A (en) Moulding of exothermic compositions in foundry moulds
JPS5737803A (en) Manufacture of anisotropic magnet
JPS55145326A (en) Manufacturing method of anistropic magnet
ES448865A1 (es) Procedimiento y dispositivo de moldeo de cuerpos huecos de boca estrecha.
JPS55146718A (en) Intermediate blank made of synthetic resin for molding biaxially spread bottle
JPS55138218A (en) Magnetic field oriented metal mold
JPS55154721A (en) Annular permanent magnet and manufacture thereof
JPS54111557A (en) Hollow molded article having integrated internal ribs, and method for forming the same
JPS5787339A (en) Method and device for forming center pin
JPS55115316A (en) Manufacturing method of anisotropic cylindrical polymeric magnet
JPS55124631A (en) Manufacturing method of annular magnet
JPS5668254A (en) Rotor molding die for miniature motor of watch
JPS577905A (en) Manufacture of anisotropic resin magnet
JPS55145325A (en) Manufacturing method of anistropic magnet
DE3943328C2 (de) Verfahren zum Spritzen eines Dauermagneten und Hohlform zur Durchführung des Verfahrens
JPS5584640A (en) Production of anisotropic resin magnet
JPS5763234A (en) Rim molded substance and molding thereof
JPS5482099A (en) Anisotropic magnet manufacturing process
JPS5661114A (en) Manufacture of ring-shaped magnet unit
JPS5584619A (en) Molded synthetic resin article mixed with metal powder
AU5316490A (en) Plastic closure and method of manufacture
JPS56164832A (en) Production of synthetic resin made penpoint
JPS5574848A (en) Method of providing hole in synthetic resin mold product