EP0578190A3 - Developing device for use in image forming apparatus - Google Patents
Developing device for use in image forming apparatus Download PDFInfo
- Publication number
- EP0578190A3 EP0578190A3 EP93110760A EP93110760A EP0578190A3 EP 0578190 A3 EP0578190 A3 EP 0578190A3 EP 93110760 A EP93110760 A EP 93110760A EP 93110760 A EP93110760 A EP 93110760A EP 0578190 A3 EP0578190 A3 EP 0578190A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- image forming
- forming apparatus
- developing device
- developing
- image
- 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.)
- Withdrawn
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
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
- G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
-
- 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)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP181167/92 | 1992-07-08 | ||
JP18116792A JP3094255B2 (en) | 1992-07-08 | 1992-07-08 | Developing unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0578190A2 EP0578190A2 (en) | 1994-01-12 |
EP0578190A3 true EP0578190A3 (en) | 1997-09-03 |
Family
ID=16096062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93110760A Withdrawn EP0578190A3 (en) | 1992-07-08 | 1993-07-06 | Developing device for use in image forming apparatus |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0578190A3 (en) |
JP (1) | JP3094255B2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990011671A (en) * | 1997-07-25 | 1999-02-18 | 윤종용 | Developing apparatus having exhaust port for internal pressure adjustment |
AU2004202645B1 (en) * | 2004-06-18 | 2005-07-07 | Gcc Ip Pty Limited | A Cover Adapted For Protecting a Photosensitve Member of a Process Cartridge |
JP5171553B2 (en) * | 2008-10-31 | 2013-03-27 | 京セラドキュメントソリューションズ株式会社 | Developing device and image forming apparatus |
JP5751779B2 (en) * | 2009-10-30 | 2015-07-22 | キヤノン株式会社 | Developing device, developing cartridge, process cartridge, and image forming apparatus |
JP6119323B2 (en) * | 2013-03-13 | 2017-04-26 | 株式会社リコー | Developing device, process cartridge, and image forming apparatus |
JP6864871B2 (en) * | 2017-05-30 | 2021-04-28 | 株式会社リコー | Develop equipment and image forming equipment |
JP7247500B2 (en) * | 2018-09-20 | 2023-03-29 | 富士フイルムビジネスイノベーション株式会社 | Developing device and image forming device |
JP7075624B2 (en) * | 2018-09-28 | 2022-05-26 | 株式会社リコー | Developing equipment, process cartridges, and image forming equipment |
JP6923211B2 (en) * | 2018-12-27 | 2021-08-18 | 東英産業株式会社 | Fiber member, brush member, filter member, seal member and image forming device |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58194067A (en) * | 1982-05-10 | 1983-11-11 | Fuji Xerox Co Ltd | Magnetic brush developing device of electrophotographic copying machine |
JPS6051861A (en) * | 1983-08-31 | 1985-03-23 | Ricoh Co Ltd | Dry developing device |
JPS6155666A (en) * | 1984-08-27 | 1986-03-20 | Konishiroku Photo Ind Co Ltd | Image recording device |
US4583112A (en) * | 1984-10-29 | 1986-04-15 | Xerox Corporation | Venting system for the developer housing of an electrostatic copying machine |
JPS61129664A (en) * | 1984-11-29 | 1986-06-17 | Toshiba Corp | Developing device |
JPS61145570A (en) * | 1984-12-19 | 1986-07-03 | Sharp Corp | Dry type developing device |
US4666282A (en) * | 1986-03-03 | 1987-05-19 | Xerox Corporation | Contamination control for xerographic developing systems |
JPS62192770A (en) * | 1986-02-20 | 1987-08-24 | Fuji Xerox Co Ltd | One component developing device |
US5057868A (en) * | 1989-02-10 | 1991-10-15 | Minolta Camera Kabushiki Kaisha | Developing apparatus having a sealing construction for preventing a toner leakage |
JPH0425876A (en) * | 1990-05-21 | 1992-01-29 | Matsushita Electric Ind Co Ltd | Developing device |
JPH0635305A (en) * | 1992-07-17 | 1994-02-10 | Konica Corp | Developing device |
JPH0635304A (en) * | 1992-07-16 | 1994-02-10 | Konica Corp | Developing device |
-
1992
- 1992-07-08 JP JP18116792A patent/JP3094255B2/en not_active Expired - Lifetime
-
1993
- 1993-07-06 EP EP93110760A patent/EP0578190A3/en not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58194067A (en) * | 1982-05-10 | 1983-11-11 | Fuji Xerox Co Ltd | Magnetic brush developing device of electrophotographic copying machine |
JPS6051861A (en) * | 1983-08-31 | 1985-03-23 | Ricoh Co Ltd | Dry developing device |
JPS6155666A (en) * | 1984-08-27 | 1986-03-20 | Konishiroku Photo Ind Co Ltd | Image recording device |
US4583112A (en) * | 1984-10-29 | 1986-04-15 | Xerox Corporation | Venting system for the developer housing of an electrostatic copying machine |
JPS61129664A (en) * | 1984-11-29 | 1986-06-17 | Toshiba Corp | Developing device |
JPS61145570A (en) * | 1984-12-19 | 1986-07-03 | Sharp Corp | Dry type developing device |
JPS62192770A (en) * | 1986-02-20 | 1987-08-24 | Fuji Xerox Co Ltd | One component developing device |
US4666282A (en) * | 1986-03-03 | 1987-05-19 | Xerox Corporation | Contamination control for xerographic developing systems |
US5057868A (en) * | 1989-02-10 | 1991-10-15 | Minolta Camera Kabushiki Kaisha | Developing apparatus having a sealing construction for preventing a toner leakage |
JPH0425876A (en) * | 1990-05-21 | 1992-01-29 | Matsushita Electric Ind Co Ltd | Developing device |
JPH0635304A (en) * | 1992-07-16 | 1994-02-10 | Konica Corp | Developing device |
JPH0635305A (en) * | 1992-07-17 | 1994-02-10 | Konica Corp | Developing device |
Non-Patent Citations (10)
Title |
---|
"TONER SEAL FOR PRINTER", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 33, no. 3B, 1 August 1990 (1990-08-01), pages 29 - 30, XP000124246 * |
EDWIN J. DAVIS: "EXTENDED DEVELOPER HOUSING SHOE SEAL", XEROX DISCLOSURE JOURNAL, vol. 9, no. 2, STAMFORD, CONNECTICUT, USA, pages 141, XP002033968 * |
PATENT ABSTRACTS OF JAPAN vol. 008, no. 042 (P - 256) 23 February 1984 (1984-02-23) * |
PATENT ABSTRACTS OF JAPAN vol. 009, no. 177 (P - 375) 23 July 1985 (1985-07-23) * |
PATENT ABSTRACTS OF JAPAN vol. 010, no. 220 (P - 482) 31 July 1986 (1986-07-31) * |
PATENT ABSTRACTS OF JAPAN vol. 010, no. 322 (P - 511) 31 October 1986 (1986-10-31) * |
PATENT ABSTRACTS OF JAPAN vol. 010, no. 344 (P - 518) 20 November 1986 (1986-11-20) * |
PATENT ABSTRACTS OF JAPAN vol. 012, no. 046 (P - 665) 12 February 1988 (1988-02-12) * |
PATENT ABSTRACTS OF JAPAN vol. 016, no. 193 (P - 1349) 11 May 1992 (1992-05-11) * |
PATENT ABSTRACTS OF JAPAN vol. 018, no. 256 (P - 1738) 16 May 1994 (1994-05-16) * |
Also Published As
Publication number | Publication date |
---|---|
JPH0627795A (en) | 1994-02-04 |
EP0578190A2 (en) | 1994-01-12 |
JP3094255B2 (en) | 2000-10-03 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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PUAL | Search report despatched |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19960103 |