DK155579A - Taetningsanordning til aftaetning af gennemfoeringer i en fremkalderindretning med i hvert fald delvis magnetiserbart fremkalderpulver - Google Patents
Taetningsanordning til aftaetning af gennemfoeringer i en fremkalderindretning med i hvert fald delvis magnetiserbart fremkalderpulverInfo
- Publication number
- DK155579A DK155579A DK155579A DK155579A DK155579A DK 155579 A DK155579 A DK 155579A DK 155579 A DK155579 A DK 155579A DK 155579 A DK155579 A DK 155579A DK 155579 A DK155579 A DK 155579A
- Authority
- DK
- Denmark
- Prior art keywords
- sealing
- developer
- generations
- partial
- magnetizable
- Prior art date
Links
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
- G03G15/0942—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with means for preventing toner scattering from the magnetic brush, e.g. magnetic seals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2816621A DE2816621C3 (de) | 1978-04-17 | 1978-04-17 | Dichtungsanordnung in einer Entwicklungsvorrichtung eines Kopiergeräte |
Publications (1)
Publication Number | Publication Date |
---|---|
DK155579A true DK155579A (da) | 1979-10-18 |
Family
ID=6037195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK155579A DK155579A (da) | 1978-04-17 | 1979-04-17 | Taetningsanordning til aftaetning af gennemfoeringer i en fremkalderindretning med i hvert fald delvis magnetiserbart fremkalderpulver |
Country Status (5)
Country | Link |
---|---|
US (1) | US4213617A (de) |
DE (1) | DE2816621C3 (de) |
DK (1) | DK155579A (de) |
GB (1) | GB2019259A (de) |
NL (1) | NL7902890A (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5699364A (en) * | 1980-01-11 | 1981-08-10 | Olympus Optical Co Ltd | Magnet roll developing device |
US4318607A (en) * | 1980-07-14 | 1982-03-09 | Xerox Corporation | Magnet for a development system |
DE3117296C2 (de) * | 1981-04-30 | 1984-01-19 | Siemens AG, 1000 Berlin und 8000 München | Entwicklerstation zur Entwicklung von auf einem Ladungsbildträger erzeugten Ladungsbilder |
JPS58172678A (ja) * | 1982-04-04 | 1983-10-11 | Mita Ind Co Ltd | 静電写真複写機におけるクリ−ニング装置 |
US4697914A (en) * | 1982-06-30 | 1987-10-06 | Xerox Corporation | Toner containment method and apparatus |
US4563978A (en) * | 1983-04-08 | 1986-01-14 | Canon Kabushiki Kaisha | Developing apparatus |
GB2141049B (en) * | 1983-06-08 | 1986-07-23 | Xerox Corp | Electrostatographic development apparatus |
JPS6054149U (ja) * | 1983-09-20 | 1985-04-16 | 株式会社東芝 | 現像装置 |
JPS61500568A (ja) * | 1983-11-30 | 1986-03-27 | バロ−ス・コ−ポレ−ション | 電子写真装置のための静電ダスト反発装置 |
JPS6134578A (ja) * | 1984-07-26 | 1986-02-18 | Canon Inc | クリ−ニング装置 |
US4804995A (en) * | 1985-07-31 | 1989-02-14 | Kabushiki Kaisha Toshiba | Charged latent image developing apparatus |
US4616919A (en) * | 1985-09-05 | 1986-10-14 | International Business Machines Corporation | Non-contact developer seal |
US5084733A (en) * | 1987-10-28 | 1992-01-28 | Canon Kabushiki Kaisha | Developing apparatus having developer layer regulation means |
GB8801227D0 (en) * | 1988-01-20 | 1988-02-17 | Xerox Corp | Sealing arrangement for auger |
US4843421A (en) * | 1988-06-24 | 1989-06-27 | Xerox Corporation | System for priming the magnetic brush end seals of copier/printer machines |
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 |
US5166731A (en) * | 1990-02-14 | 1992-11-24 | Sharp Kabushiki Kaisha | Developing unit having a rotation shaft and sealing member |
DE4112429A1 (de) * | 1990-04-27 | 1991-10-31 | Seikosha Kk | Entwicklungsvorrichtung fuer einen elektrofotografischen drucker |
US5293199A (en) * | 1990-05-11 | 1994-03-08 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having spacing roller for maintaining uniform spacing between image bearing member and developing material supplying means |
JPH0468379A (ja) * | 1990-07-09 | 1992-03-04 | Sharp Corp | 現像装置 |
JP2899079B2 (ja) * | 1990-07-10 | 1999-06-02 | キヤノン株式会社 | 現像装置 |
US5166733A (en) * | 1992-01-30 | 1992-11-24 | Xerox Corporation | Blade and seal for preventing migration of toner particles from a developer roll in an electrophotographic printer |
US5267003A (en) * | 1992-08-11 | 1993-11-30 | Olivetti Supplies, Inc. | Toner cartridge refilling seal using magnetic material |
US5570170A (en) * | 1993-12-27 | 1996-10-29 | Moore Business Forms, Inc. | Electrostatic printing apparatus with a hopper and applicator roller with method of applying toner to and declumping the applicator roller |
US5450169A (en) * | 1994-06-23 | 1995-09-12 | Xerox Corporation | Multi-lobe magnetic seals |
JP3252090B2 (ja) * | 1996-07-10 | 2002-01-28 | キヤノン株式会社 | 現像装置 |
JP3927661B2 (ja) * | 1997-09-12 | 2007-06-13 | キヤノン株式会社 | 現像装置、プロセスカートリッジおよび画像形成装置 |
JP4018210B2 (ja) * | 1997-10-29 | 2007-12-05 | キヤノン株式会社 | 現像装置及びプロセスカートリッジ及び電子写真画像形成装置 |
JP5707714B2 (ja) * | 2010-03-12 | 2015-04-30 | 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 |
JP5716317B2 (ja) * | 2010-08-16 | 2015-05-13 | 富士ゼロックス株式会社 | 現像装置、画像形成装置 |
CN104633125A (zh) * | 2015-02-14 | 2015-05-20 | 合肥誉联信息科技有限公司 | 用于冷却辊筒的密封装置 |
CN107023683A (zh) * | 2016-03-15 | 2017-08-08 | 安徽胜方信息科技服务有限公司 | 一种用于冷却辊筒的密封装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH293219A (de) * | 1948-12-23 | 1953-09-15 | Adolph Dr Razdowitz | Dichtungsvorrichtung an zwei relativ zueinander drehbaren Hohlkörpern. |
US2863538A (en) * | 1954-10-22 | 1958-12-09 | Eaton Mfg Co | Permanent magnet seal |
US3031802A (en) * | 1960-11-29 | 1962-05-01 | Bell Intercontinental Corp | Blast machine sealing means |
US3543720A (en) * | 1968-02-29 | 1970-12-01 | Eastman Kodak Co | Apparatus for development of electrostatic images |
US3643629A (en) * | 1969-10-20 | 1972-02-22 | Minnesota Mining & Mfg | Magnetic powder applicator |
US3791730A (en) * | 1971-01-12 | 1974-02-12 | Xerox Corp | Apparatus for developing electrostatic latent images |
US3834775A (en) * | 1972-05-26 | 1974-09-10 | Litton Systems Inc | Ferrohydrodynamic low-friction bearing with improved volume compensation and fluid seal |
DE2247953A1 (de) * | 1972-09-29 | 1974-04-11 | Brueckner Apparatebau Gmbh | Vorrichtung zur abdichtung eines spaltes |
US3848879A (en) * | 1972-12-19 | 1974-11-19 | Us Army | Shaft seal |
US3915121A (en) * | 1973-11-19 | 1975-10-28 | Xerox Corp | Development apparatus |
CH602974A5 (de) * | 1974-12-20 | 1978-08-15 | Heidenhain Gmbh Dr Johannes | |
GB1507837A (en) * | 1975-08-11 | 1978-04-19 | Ici Ltd | Fluid seal |
US4101211A (en) * | 1976-07-12 | 1978-07-18 | Eastman Kodak Company | Magnetic curtain seal for development apparatus |
NL180961C (nl) * | 1976-08-19 | 1987-05-18 | Oce Van Der Grinten Nv | Magneetborstel-ontwikkelinrichting. |
-
1978
- 1978-04-17 DE DE2816621A patent/DE2816621C3/de not_active Expired
-
1979
- 1979-04-06 US US06/027,775 patent/US4213617A/en not_active Expired - Lifetime
- 1979-04-12 NL NL7902890A patent/NL7902890A/xx not_active Application Discontinuation
- 1979-04-12 GB GB7913097A patent/GB2019259A/en not_active Withdrawn
- 1979-04-17 DK DK155579A patent/DK155579A/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2816621C3 (de) | 1980-10-09 |
US4213617A (en) | 1980-07-22 |
DE2816621A1 (de) | 1979-10-18 |
NL7902890A (nl) | 1979-10-19 |
DE2816621B2 (de) | 1980-02-14 |
GB2019259A (en) | 1979-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |