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FR1169708A - Mold for pressing magnetic powders and magnetic bodies made with this mold - Google Patents

Mold for pressing magnetic powders and magnetic bodies made with this mold

Info

Publication number
FR1169708A
FR1169708A FR1169708DA FR1169708A FR 1169708 A FR1169708 A FR 1169708A FR 1169708D A FR1169708D A FR 1169708DA FR 1169708 A FR1169708 A FR 1169708A
Authority
FR
France
Prior art keywords
mold
magnetic
bodies made
pressing
powders
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
Application number
Other languages
French (fr)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR1169708A publication Critical patent/FR1169708A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
FR1169708D 1956-03-23 1957-03-15 Mold for pressing magnetic powders and magnetic bodies made with this mold Expired FR1169708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1169708X 1956-03-23

Publications (1)

Publication Number Publication Date
FR1169708A true FR1169708A (en) 1959-01-05

Family

ID=7729195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1169708D Expired FR1169708A (en) 1956-03-23 1957-03-15 Mold for pressing magnetic powders and magnetic bodies made with this mold

Country Status (1)

Country Link
FR (1) FR1169708A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452581A1 (en) * 1989-03-18 1991-10-23 Seiko Epson Corporation Dies for extrusion moulding
WO1991018405A1 (en) * 1990-05-24 1991-11-28 Eastman Kodak Company Method of producing permanent magnets by polar anisotropic orientation molding
EP0542521A3 (en) * 1991-11-15 1993-11-03 Daido Steel Co Ltd Radial anisotropic ring magnet and producing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452581A1 (en) * 1989-03-18 1991-10-23 Seiko Epson Corporation Dies for extrusion moulding
US5733580A (en) * 1989-03-18 1998-03-31 Seiko Epson Corporation Dies for extrusion moulding
WO1991018405A1 (en) * 1990-05-24 1991-11-28 Eastman Kodak Company Method of producing permanent magnets by polar anisotropic orientation molding
EP0542521A3 (en) * 1991-11-15 1993-11-03 Daido Steel Co Ltd Radial anisotropic ring magnet and producing method thereof
US5399311A (en) * 1991-11-15 1995-03-21 Daido Tokushuko Kabushiki Kaisha Radial anisotropic ring magnet with a sinusoidal waveform and producing method thereof

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