JPS59226367A - 異方性マグネツトロ−ルの製造方法 - Google Patents
異方性マグネツトロ−ルの製造方法Info
- Publication number
- JPS59226367A JPS59226367A JP10212783A JP10212783A JPS59226367A JP S59226367 A JPS59226367 A JP S59226367A JP 10212783 A JP10212783 A JP 10212783A JP 10212783 A JP10212783 A JP 10212783A JP S59226367 A JPS59226367 A JP S59226367A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- mold
- earth cobalt
- rare earth
- anisotropic
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 230000005291 magnetic effect Effects 0.000 claims abstract description 54
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 18
- 239000010941 cobalt Substances 0.000 claims abstract description 18
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 18
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims 1
- 230000005415 magnetization Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920005992 thermoplastic resin Polymers 0.000 abstract description 2
- 230000004907 flux Effects 0.000 description 9
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
- G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10212783A JPS59226367A (ja) | 1983-06-08 | 1983-06-08 | 異方性マグネツトロ−ルの製造方法 |
| EP84106414A EP0128508B1 (en) | 1983-06-08 | 1984-06-05 | Method and apparatus for producing anisotropic magnets |
| DE8484106414T DE3484406D1 (de) | 1983-06-08 | 1984-06-05 | Methode und apparat zur herstellung von anisotropen magneten. |
| US06/618,183 US4604042A (en) | 1983-06-08 | 1984-06-07 | Apparatus for producing anisotropic magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10212783A JPS59226367A (ja) | 1983-06-08 | 1983-06-08 | 異方性マグネツトロ−ルの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59226367A true JPS59226367A (ja) | 1984-12-19 |
| JPH0259993B2 JPH0259993B2 (enrdf_load_stackoverflow) | 1990-12-14 |
Family
ID=14319114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10212783A Granted JPS59226367A (ja) | 1983-06-08 | 1983-06-08 | 異方性マグネツトロ−ルの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59226367A (enrdf_load_stackoverflow) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62229817A (ja) * | 1986-03-29 | 1987-10-08 | Shin Etsu Chem Co Ltd | 極異方性長尺成形品の製造方法 |
| JPS63136918A (ja) * | 1986-11-28 | 1988-06-09 | 日立金属株式会社 | マグネツトロ−ル |
| JPS63228707A (ja) * | 1987-03-18 | 1988-09-22 | Sumitomo Bakelite Co Ltd | 異方性多極プラスチツク磁石の製造方法 |
| JPH06283323A (ja) * | 1993-10-12 | 1994-10-07 | Bridgestone Corp | マグネットロールの製造方法 |
| US5359397A (en) * | 1992-08-28 | 1994-10-25 | Canon Kabushiki Kaisha | Developing apparatus |
| US5565966A (en) * | 1994-05-19 | 1996-10-15 | Hitachi Metals, Ltd. | Image forming method for setting a developing gap |
| US5565967A (en) * | 1994-07-07 | 1996-10-15 | Hitachi Metals, Ltd. | Method of forming image using magnetic developer with high volume resistivity |
| US5669051A (en) * | 1995-04-04 | 1997-09-16 | Hitachi Metals, Ltd. | Method of electrostatically forming visual image |
| US5717983A (en) * | 1994-02-09 | 1998-02-10 | Hitachi Metals, Ltd. | Simultaneous developing/cleaning method using magnetic support member |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102822916B (zh) | 2010-04-05 | 2014-09-03 | 爱知制钢株式会社 | 各向异性粘结磁铁的制造方法及其制造装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53103196A (en) * | 1977-02-21 | 1978-09-08 | Hitachi Ltd | Magnetizing megnetic circuit with magnet used |
| JPS5669805A (en) * | 1979-11-10 | 1981-06-11 | Tdk Corp | Manufacture of anisotropic plastic magnet |
-
1983
- 1983-06-08 JP JP10212783A patent/JPS59226367A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53103196A (en) * | 1977-02-21 | 1978-09-08 | Hitachi Ltd | Magnetizing megnetic circuit with magnet used |
| JPS5669805A (en) * | 1979-11-10 | 1981-06-11 | Tdk Corp | Manufacture of anisotropic plastic magnet |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62229817A (ja) * | 1986-03-29 | 1987-10-08 | Shin Etsu Chem Co Ltd | 極異方性長尺成形品の製造方法 |
| JPS63136918A (ja) * | 1986-11-28 | 1988-06-09 | 日立金属株式会社 | マグネツトロ−ル |
| JPS63228707A (ja) * | 1987-03-18 | 1988-09-22 | Sumitomo Bakelite Co Ltd | 異方性多極プラスチツク磁石の製造方法 |
| US5359397A (en) * | 1992-08-28 | 1994-10-25 | Canon Kabushiki Kaisha | Developing apparatus |
| JPH06283323A (ja) * | 1993-10-12 | 1994-10-07 | Bridgestone Corp | マグネットロールの製造方法 |
| US5717983A (en) * | 1994-02-09 | 1998-02-10 | Hitachi Metals, Ltd. | Simultaneous developing/cleaning method using magnetic support member |
| US5926677A (en) * | 1994-02-09 | 1999-07-20 | Hitachi Metals, Inc. | Image forming developing method |
| US6072974A (en) * | 1994-02-09 | 2000-06-06 | Hitachi Metals, Ltd. | Image forming developing method |
| US6075964A (en) * | 1994-02-09 | 2000-06-13 | Hitachi Metals, Ltd. | Image forming developing method |
| US5565966A (en) * | 1994-05-19 | 1996-10-15 | Hitachi Metals, Ltd. | Image forming method for setting a developing gap |
| US5565967A (en) * | 1994-07-07 | 1996-10-15 | Hitachi Metals, Ltd. | Method of forming image using magnetic developer with high volume resistivity |
| US5669051A (en) * | 1995-04-04 | 1997-09-16 | Hitachi Metals, Ltd. | Method of electrostatically forming visual image |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0259993B2 (enrdf_load_stackoverflow) | 1990-12-14 |
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