DE3231446A1 - Vorrichtung zur bildung einer magnetischen buerste - Google Patents
Vorrichtung zur bildung einer magnetischen buersteInfo
- Publication number
- DE3231446A1 DE3231446A1 DE19823231446 DE3231446A DE3231446A1 DE 3231446 A1 DE3231446 A1 DE 3231446A1 DE 19823231446 DE19823231446 DE 19823231446 DE 3231446 A DE3231446 A DE 3231446A DE 3231446 A1 DE3231446 A1 DE 3231446A1
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- scraper
- magnetic
- developer
- photosensitive layer
- 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
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 3
- 239000003086 colorant Substances 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
- G03G21/0047—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using electrostatic or magnetic means; Details thereof, e.g. magnetic pole arrangement of magnetic devices
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/0005—Cleaning of residual toner
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56132127A JPS5834469A (ja) | 1981-08-25 | 1981-08-25 | 磁気ブラシ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3231446A1 true DE3231446A1 (de) | 1983-03-17 |
DE3231446C2 DE3231446C2 (en, 2012) | 1987-07-30 |
Family
ID=15074025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823231446 Granted DE3231446A1 (de) | 1981-08-25 | 1982-08-24 | Vorrichtung zur bildung einer magnetischen buerste |
Country Status (3)
Country | Link |
---|---|
US (1) | US4466379A (en, 2012) |
JP (1) | JPS5834469A (en, 2012) |
DE (1) | DE3231446A1 (en, 2012) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985004733A1 (en) * | 1984-04-13 | 1985-10-24 | Eastman Kodak Company | A cleaning method and apparatus for a polychromatic electrophotographic copier |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1190960A (en) * | 1983-02-01 | 1985-07-23 | Andrzej Maczuszenko | Toner system |
JPS6167066A (ja) * | 1984-09-10 | 1986-04-07 | Matsushita Electric Ind Co Ltd | 複写装置 |
US4710016B1 (en) * | 1985-03-26 | 1997-02-25 | Toshiba Kk | Developing apparatus |
JPS634554U (en, 2012) * | 1986-06-26 | 1988-01-13 | ||
JP2595522B2 (ja) * | 1987-02-27 | 1997-04-02 | ミノルタ株式会社 | 画像形成装置 |
US4990968A (en) * | 1987-07-28 | 1991-02-05 | Minolta Camera Kabushiki Kaisha | Multi-colored image forming apparatus |
JP2830878B2 (ja) * | 1987-10-21 | 1998-12-02 | ミノルタ 株式会社 | 現像装置 |
JPH01253771A (ja) * | 1988-04-01 | 1989-10-11 | Minolta Camera Co Ltd | 現像装置 |
US5036364A (en) * | 1988-07-22 | 1991-07-30 | Canon Kabushiki Kaisha | Image forming apparatus including developer carrying member having repelling magnetic brush |
JPH02226272A (ja) * | 1989-02-28 | 1990-09-07 | Canon Inc | 画像形成装置 |
US4999675A (en) * | 1989-12-01 | 1991-03-12 | Eastman Kodak Company | Magnetic brush development apparatus including a self-adjustable take-off skive |
JP3217074B2 (ja) * | 1990-02-20 | 2001-10-09 | 株式会社リコー | 画像形成装置 |
US5229825A (en) * | 1991-12-02 | 1993-07-20 | Eastman Kodak Company | Magnetic brush laydown/pickup apparatus |
JP3975319B2 (ja) | 2001-03-02 | 2007-09-12 | 富士ゼロックス株式会社 | 現像装置及びこれを用いた画像形成装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3570453A (en) * | 1968-08-07 | 1971-03-16 | Xerox Corp | Development apparatus |
US3641969A (en) * | 1969-12-18 | 1972-02-15 | Plastic Coating Corp | Toner unit for photoelectrostatic reproduction |
JPS5518678A (en) * | 1978-07-28 | 1980-02-08 | Ricoh Co Ltd | Cleaning device |
DE2936262A1 (de) * | 1978-09-09 | 1980-03-20 | Olympus Optical Co | Entwicklerentleerungsvorrichtung elektrofotografische kopiermaschine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54109846A (en) * | 1978-02-17 | 1979-08-28 | Ricoh Co Ltd | Magnetic brush developing device |
JPS54124733A (en) * | 1978-03-20 | 1979-09-27 | Ricoh Co Ltd | Magnetic brush developing device |
-
1981
- 1981-08-25 JP JP56132127A patent/JPS5834469A/ja active Pending
-
1982
- 1982-08-20 US US06/409,851 patent/US4466379A/en not_active Expired - Fee Related
- 1982-08-24 DE DE19823231446 patent/DE3231446A1/de active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3570453A (en) * | 1968-08-07 | 1971-03-16 | Xerox Corp | Development apparatus |
US3641969A (en) * | 1969-12-18 | 1972-02-15 | Plastic Coating Corp | Toner unit for photoelectrostatic reproduction |
JPS5518678A (en) * | 1978-07-28 | 1980-02-08 | Ricoh Co Ltd | Cleaning device |
DE2936262A1 (de) * | 1978-09-09 | 1980-03-20 | Olympus Optical Co | Entwicklerentleerungsvorrichtung elektrofotografische kopiermaschine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985004733A1 (en) * | 1984-04-13 | 1985-10-24 | Eastman Kodak Company | A cleaning method and apparatus for a polychromatic electrophotographic copier |
US4571071A (en) * | 1984-04-13 | 1986-02-18 | Eastman Kodak Company | Cleaning apparatus and method for a polychromatic electrophotographic copier |
Also Published As
Publication number | Publication date |
---|---|
US4466379A (en) | 1984-08-21 |
DE3231446C2 (en, 2012) | 1987-07-30 |
JPS5834469A (ja) | 1983-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: G03G 15/08 |
|
8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
8127 | New person/name/address of the applicant |
Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |