JPH0376764B2 - - Google Patents
Info
- Publication number
- JPH0376764B2 JPH0376764B2 JP26023088A JP26023088A JPH0376764B2 JP H0376764 B2 JPH0376764 B2 JP H0376764B2 JP 26023088 A JP26023088 A JP 26023088A JP 26023088 A JP26023088 A JP 26023088A JP H0376764 B2 JPH0376764 B2 JP H0376764B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic pole
- roller
- core shaft
- tip
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 142
- 239000000843 powder Substances 0.000 claims description 28
- 239000000696 magnetic material Substances 0.000 claims description 12
- 230000005415 magnetization Effects 0.000 claims description 10
- 230000005294 ferromagnetic effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229910000915 Free machining steel Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene 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
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035936 sexual power Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26023088A JPH02106005A (ja) | 1988-10-14 | 1988-10-14 | 成形磁石ローラ及びその製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26023088A JPH02106005A (ja) | 1988-10-14 | 1988-10-14 | 成形磁石ローラ及びその製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106005A JPH02106005A (ja) | 1990-04-18 |
| JPH0376764B2 true JPH0376764B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-06 |
Family
ID=17345160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26023088A Granted JPH02106005A (ja) | 1988-10-14 | 1988-10-14 | 成形磁石ローラ及びその製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106005A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1621938A1 (en) * | 2004-07-27 | 2006-02-01 | Proweal Counter Corp. | Magnetic roller with protruding magnetic poles for an image developing means |
| JP2011071148A (ja) * | 2009-09-24 | 2011-04-07 | Fuji Xerox Co Ltd | 多数個取り金型、マグネットピースの製造方法およびマグネットロールの製造方法 |
| JP5890109B2 (ja) * | 2011-05-11 | 2016-03-22 | 株式会社ブリヂストン | マグネットローラ成形用金型 |
| JP6458538B2 (ja) * | 2015-02-20 | 2019-01-30 | コニカミノルタ株式会社 | マグネットローラ、現像ローラ、現像装置及び画像形成装置 |
-
1988
- 1988-10-14 JP JP26023088A patent/JPH02106005A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02106005A (ja) | 1990-04-18 |