CH591149A5 - - Google Patents
Info
- Publication number
- CH591149A5 CH591149A5 CH482172A CH482172A CH591149A5 CH 591149 A5 CH591149 A5 CH 591149A5 CH 482172 A CH482172 A CH 482172A CH 482172 A CH482172 A CH 482172A CH 591149 A5 CH591149 A5 CH 591149A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7104566A NL7104566A (en) | 1971-04-06 | 1971-04-06 | Anisotropic permanent magnets - by sintering body composed of cpd of cobalt and rare earth, yttrium or thorium |
| NL7203267A NL7203267A (en) | 1972-03-11 | 1972-03-11 | Permanent magnet prepn - using a powder mixture of low oxygen content and high sintering temp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH591149A5 true CH591149A5 (https=) | 1977-09-15 |
Family
ID=26644642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH482172A CH591149A5 (https=) | 1971-04-06 | 1972-03-30 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3785881A (https=) |
| JP (1) | JPS5120291B1 (https=) |
| CA (1) | CA977658A (https=) |
| CH (1) | CH591149A5 (https=) |
| DE (1) | DE2215301B2 (https=) |
| FR (1) | FR2135156B1 (https=) |
| GB (1) | GB1350318A (https=) |
| IT (1) | IT952517B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964939A (en) * | 1974-12-26 | 1976-06-22 | Bell Telephone Laboratories, Incorporated | Bodies including passivated metal particles |
| US3970485A (en) * | 1975-01-20 | 1976-07-20 | Hitachi Magnetics Corporation | Binder and lubricant removal from cobalt-rare earth alloys |
| US4881988A (en) * | 1987-11-16 | 1989-11-21 | Rjf International Corporation | Novel flexible magnet for use in small dc motors |
| US5489343A (en) * | 1993-01-29 | 1996-02-06 | Hitachi Metals, Ltd. | Method for producing R-Fe-B-based, sintered magnet |
| JP5197669B2 (ja) | 2010-03-31 | 2013-05-15 | 株式会社東芝 | 永久磁石およびそれを用いたモータおよび発電機 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6907499A (https=) * | 1969-05-14 | 1970-11-17 |
-
1972
- 1972-03-29 DE DE19722215301 patent/DE2215301B2/de active Pending
- 1972-03-30 CH CH482172A patent/CH591149A5/xx not_active IP Right Cessation
- 1972-04-01 IT IT49410/72A patent/IT952517B/it active
- 1972-04-03 JP JP47033424A patent/JPS5120291B1/ja active Pending
- 1972-04-04 CA CA138,770A patent/CA977658A/en not_active Expired
- 1972-04-05 GB GB1567272A patent/GB1350318A/en not_active Expired
- 1972-04-05 US US00241201A patent/US3785881A/en not_active Expired - Lifetime
- 1972-04-06 FR FR7212104A patent/FR2135156B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2135156A1 (https=) | 1972-12-15 |
| IT952517B (it) | 1973-07-30 |
| US3785881A (en) | 1974-01-15 |
| CA977658A (en) | 1975-11-11 |
| GB1350318A (en) | 1974-04-18 |
| DE2215301A1 (de) | 1972-10-12 |
| FR2135156B1 (https=) | 1975-10-24 |
| JPS5120291B1 (https=) | 1976-06-24 |
| DE2215301B2 (de) | 1976-07-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PLX | Patent declared invalid from date of grant onwards |