GB743636A - Improvements in or relating to the manufacture of permanent magnets - Google Patents
Improvements in or relating to the manufacture of permanent magnetsInfo
- Publication number
- GB743636A GB743636A GB34764/53A GB3476453A GB743636A GB 743636 A GB743636 A GB 743636A GB 34764/53 A GB34764/53 A GB 34764/53A GB 3476453 A GB3476453 A GB 3476453A GB 743636 A GB743636 A GB 743636A
- Authority
- GB
- United Kingdom
- Prior art keywords
- space
- permanent magnets
- dec
- casting
- filled
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
Abstract
743,636. Casting-processes. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Dec. 14, 1953 [Dec. 17, 1952], No. 34764/53. Class 83 (1). In a, method of casting anisotropic permanent magnets from an iron-base alloy containing Ni, A1 and Co in which, during solidification, the magnet-body between the two pole-faces is surrounded by a chemically-exothermic material 2 and preferably at least one of the polefaces is cooled as by a metal chill plate 1, the material 2 is ignited, prior to the molten alloy being poured into the moulding space 5, by molten metal poured into a space 4 surrounding the material. The space 4 may be filled with the molten alloy itself which, after filling the space, runs over the upper edge of the material 2 to fill the space 5. Apertures 6 may be provided in the material 2 so that the alloy flows into the moulding space 5 before the space 4 is filled. Specification 661,727 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL743636X | 1952-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB743636A true GB743636A (en) | 1956-01-18 |
Family
ID=19822775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34764/53A Expired GB743636A (en) | 1952-12-17 | 1953-12-14 | Improvements in or relating to the manufacture of permanent magnets |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB743636A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3110943A (en) * | 1958-10-02 | 1963-11-19 | Inca Steel Company Ltd | Production of metal ingots, castings and the like |
| US3234609A (en) * | 1960-01-28 | 1966-02-15 | Riken Piston Ring Ind Co Ltd | Method of making magnetically anisotropic permanent magnets |
-
1953
- 1953-12-14 GB GB34764/53A patent/GB743636A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3110943A (en) * | 1958-10-02 | 1963-11-19 | Inca Steel Company Ltd | Production of metal ingots, castings and the like |
| US3234609A (en) * | 1960-01-28 | 1966-02-15 | Riken Piston Ring Ind Co Ltd | Method of making magnetically anisotropic permanent magnets |
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