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FR1144257A - Permanent magnet and its manufacturing process - Google Patents

Permanent magnet and its manufacturing process

Info

Publication number
FR1144257A
FR1144257A FR1144257DA FR1144257A FR 1144257 A FR1144257 A FR 1144257A FR 1144257D A FR1144257D A FR 1144257DA FR 1144257 A FR1144257 A FR 1144257A
Authority
FR
France
Prior art keywords
permanent magnet
manufacturing process
permanent
magnet
manufacturing
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1144257A publication Critical patent/FR1144257A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49076—From comminuted material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Magnetic Treatment Devices (AREA)
FR1144257D 1954-12-21 1955-12-19 Permanent magnet and its manufacturing process Expired FR1144257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL783237X 1954-12-21

Publications (1)

Publication Number Publication Date
FR1144257A true FR1144257A (en) 1957-10-11

Family

ID=19832209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144257D Expired FR1144257A (en) 1954-12-21 1955-12-19 Permanent magnet and its manufacturing process

Country Status (8)

Country Link
US (1) US2960470A (en)
BE (1) BE543773A (en)
CH (1) CH347585A (en)
DE (1) DE1028708B (en)
FR (1) FR1144257A (en)
GB (1) GB783237A (en)
LU (1) LU34051A1 (en)
NL (2) NL193422A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL270374A (en) * 1960-10-18
US3136033A (en) * 1961-07-17 1964-06-09 Allen Bradley Co Method and apparatus for producing permanent magnets
US4117058A (en) * 1976-12-03 1978-09-26 General Motors Corporation Method of making boron containing strontium ferrite

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE516598A (en) *
US2565861A (en) * 1947-09-26 1951-08-28 Rca Corp Magnetic materials
US2535025A (en) * 1949-10-06 1950-12-26 Steatite Res Corp Process of treating ferrites
NL87161C (en) * 1950-09-19
US2714580A (en) * 1951-09-19 1955-08-02 Mallory & Co Inc P R Magnetic materials and methods of making the same
NL93755C (en) * 1951-12-21
NL93756C (en) * 1952-07-07
US2723238A (en) * 1952-08-19 1955-11-08 Rca Corp Manganese zinc ferrospinel compositions, including copper oxide
US2705701A (en) * 1952-11-28 1955-04-05 Henry L Crowley & Company Inc Method for preparing magnetic compositions
US2849312A (en) * 1954-02-01 1958-08-26 Milton J Peterman Method of aligning magnetic particles in a non-magnetic matrix
US2854412A (en) * 1954-12-23 1958-09-30 Philips Corp Method of making a permanent magnet

Also Published As

Publication number Publication date
BE543773A (en)
LU34051A1 (en)
US2960470A (en) 1960-11-15
GB783237A (en) 1957-09-18
NL193422A (en)
DE1028708B (en) 1958-04-24
NL86918C (en)
CH347585A (en) 1960-07-15

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