JPS648211B2 - - Google Patents
Info
- Publication number
- JPS648211B2 JPS648211B2 JP55023368A JP2336880A JPS648211B2 JP S648211 B2 JPS648211 B2 JP S648211B2 JP 55023368 A JP55023368 A JP 55023368A JP 2336880 A JP2336880 A JP 2336880A JP S648211 B2 JPS648211 B2 JP S648211B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- magnetic
- container
- magnetic powder
- permanent magnet
- 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
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2336880A JPS56120819A (en) | 1980-02-28 | 1980-02-28 | Sealing device for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2336880A JPS56120819A (en) | 1980-02-28 | 1980-02-28 | Sealing device for bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56120819A JPS56120819A (en) | 1981-09-22 |
| JPS648211B2 true JPS648211B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-13 |
Family
ID=12108605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2336880A Granted JPS56120819A (en) | 1980-02-28 | 1980-02-28 | Sealing device for bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56120819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231776A (ja) * | 1985-08-02 | 1987-02-10 | Tohoku Metal Ind Ltd | 磁性流体シ−ル装置 |
| JPS63124075A (ja) * | 1986-11-13 | 1988-05-27 | Fujitsu Ltd | 磁気ブラシ現像装置 |
| US5177536A (en) * | 1989-03-31 | 1993-01-05 | Canon Kabushiki Kaisha | Developing apparatus having a magnetic seal |
| JP2892456B2 (ja) * | 1989-08-04 | 1999-05-17 | キヤノン株式会社 | 現像装置 |
| JP2899079B2 (ja) * | 1990-07-10 | 1999-06-02 | キヤノン株式会社 | 現像装置 |
| US5267003A (en) * | 1992-08-11 | 1993-11-30 | Olivetti Supplies, Inc. | Toner cartridge refilling seal using magnetic material |
| DE10218937B4 (de) * | 2002-04-27 | 2013-04-25 | Schaeffler Technologies AG & Co. KG | Schutzeinrichtung für ein Wälzlager mit Drehzahlmessung |
| JP4623173B2 (ja) * | 2008-09-05 | 2011-02-02 | 富士ゼロックス株式会社 | 現像装置、プロセスカートリッジおよび画像形成装置 |
| JP5435358B2 (ja) * | 2010-03-09 | 2014-03-05 | 株式会社リコー | 電子写真方式の画像形成装置における現像装置 |
| CN111963688B (zh) * | 2020-08-12 | 2021-11-09 | 清华大学 | 多级多极磁粉密封装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637798Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1977-02-08 | 1981-09-04 |
-
1980
- 1980-02-28 JP JP2336880A patent/JPS56120819A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56120819A (en) | 1981-09-22 |