IT1293082B1 - Dispositivo di sviluppo con caratteristica di controllo di campo magnetico - Google Patents
Dispositivo di sviluppo con caratteristica di controllo di campo magneticoInfo
- Publication number
- IT1293082B1 IT1293082B1 IT97RM000411A ITRM970411A IT1293082B1 IT 1293082 B1 IT1293082 B1 IT 1293082B1 IT 97RM000411 A IT97RM000411 A IT 97RM000411A IT RM970411 A ITRM970411 A IT RM970411A IT 1293082 B1 IT1293082 B1 IT 1293082B1
- Authority
- IT
- Italy
- Prior art keywords
- magnetic field
- field control
- development device
- control feature
- feature
- 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
- G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
-
- 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)
- Near-Field Transmission Systems (AREA)
- Valve Device For Special Equipments (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19852296A JP3252090B2 (ja) | 1996-07-10 | 1996-07-10 | 現像装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM970411A0 ITRM970411A0 (it) | 1997-07-09 |
ITRM970411A1 ITRM970411A1 (it) | 1999-01-09 |
IT1293082B1 true IT1293082B1 (it) | 1999-02-11 |
Family
ID=16392548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT97RM000411A IT1293082B1 (it) | 1996-07-10 | 1997-07-09 | Dispositivo di sviluppo con caratteristica di controllo di campo magnetico |
Country Status (6)
Country | Link |
---|---|
US (1) | US5895144A (it) |
EP (1) | EP0818717B1 (it) |
JP (1) | JP3252090B2 (it) |
DE (1) | DE69718561T2 (it) |
FR (1) | FR2751101B1 (it) |
IT (1) | IT1293082B1 (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3403094B2 (ja) * | 1998-10-28 | 2003-05-06 | 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 |
US6487383B2 (en) | 2001-04-12 | 2002-11-26 | Lexmark International, Inc. | Dynamic end-seal for toner development unit |
US6553195B2 (en) | 2001-09-27 | 2003-04-22 | Kurt Matthew Korfhage | Dynamic end seal for image forming apparatus |
US8307982B1 (en) | 2003-08-18 | 2012-11-13 | Pwp Industries, Inc. | Cake container cover-base connection |
JP4608310B2 (ja) * | 2004-12-27 | 2011-01-12 | 京セラミタ株式会社 | 現像装置およびこれを備えた画像形成装置 |
US7623807B2 (en) * | 2005-12-15 | 2009-11-24 | Lexmark International, Inc. | Dynamic seal for component surfaces |
US8116657B2 (en) | 2007-12-18 | 2012-02-14 | Lexmark International, Inc. | Upper seal for inhibiting doctor blade toner leakage |
US8099012B2 (en) | 2007-12-18 | 2012-01-17 | Lexmark International, Inc. | Developer roll lip seal |
US8644725B2 (en) | 2011-05-18 | 2014-02-04 | Lexmark International, Inc. | Multiple stiffness seal for imaging component surfaces |
JP5941883B2 (ja) * | 2013-08-13 | 2016-06-29 | 京セラドキュメントソリューションズ株式会社 | 現像装置及び画像形成装置 |
CN107110372B (zh) | 2014-12-26 | 2019-12-27 | 索马龙株式会社 | 密封构件以及密封构造 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2816621C3 (de) * | 1978-04-17 | 1980-10-09 | Lumoprint Zindler Kg (Gmbh & Co), 2000 Hamburg | Dichtungsanordnung in einer Entwicklungsvorrichtung eines Kopiergeräte |
JPS57208358A (en) * | 1981-06-15 | 1982-12-21 | Rigaku Denki Kk | Shaft sealing device using magnetic fluid |
US4697914A (en) * | 1982-06-30 | 1987-10-06 | Xerox Corporation | Toner containment method and apparatus |
JPS6054149U (ja) * | 1983-09-20 | 1985-04-16 | 株式会社東芝 | 現像装置 |
EP0314436B1 (en) * | 1987-10-28 | 1993-12-29 | Canon Kabushiki Kaisha | A developing apparatus |
JPH01261571A (ja) * | 1988-04-06 | 1989-10-18 | Minebea Co Ltd | 磁性流体シール装置 |
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 |
JPH04136965A (ja) * | 1990-09-28 | 1992-05-11 | Canon Inc | 現像装置 |
US5202729A (en) * | 1990-10-26 | 1993-04-13 | Canon Kabushiki Kaisha | Developing apparatus having a coated developing roller |
DE69314889T2 (de) * | 1992-08-31 | 1998-04-02 | Kabushiki Kaisha Tec, Shizuoka | In einem elektrophotographischen Gerät verwendeten Entwicklungs- und Reinigungsvorrichtung |
JP2960298B2 (ja) * | 1994-03-25 | 1999-10-06 | キヤノン株式会社 | 現像装置 |
JPH0836306A (ja) * | 1994-07-21 | 1996-02-06 | Toshiba Corp | 現像装置 |
US5592268A (en) * | 1994-07-22 | 1997-01-07 | Brother Kogyo Kabushiki Kaisha | Mechanism to prevent toner leakage from an image forming unit |
JPH08137275A (ja) * | 1994-11-10 | 1996-05-31 | Canon Inc | 画像形成装置及びプロセスカートリッジ |
US5552864A (en) * | 1995-01-17 | 1996-09-03 | Xerox Corporation | Magnetic seal with tapered shunts |
US5742875A (en) * | 1997-02-10 | 1998-04-21 | Xerox Corporation | Roll seal blade support for a xerographic development unit using magnetic toner |
US5742876A (en) * | 1997-03-03 | 1998-04-21 | Xerox Corporation | Donor roll configuration of a xerographic development unit using magnetic toner |
-
1996
- 1996-07-10 JP JP19852296A patent/JP3252090B2/ja not_active Expired - Fee Related
-
1997
- 1997-07-07 US US08/888,605 patent/US5895144A/en not_active Expired - Lifetime
- 1997-07-09 DE DE69718561T patent/DE69718561T2/de not_active Expired - Lifetime
- 1997-07-09 EP EP97111639A patent/EP0818717B1/en not_active Expired - Lifetime
- 1997-07-09 FR FR9708714A patent/FR2751101B1/fr not_active Expired - Fee Related
- 1997-07-09 IT IT97RM000411A patent/IT1293082B1/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE69718561T2 (de) | 2003-06-26 |
ITRM970411A0 (it) | 1997-07-09 |
EP0818717A3 (en) | 1998-12-16 |
EP0818717A2 (en) | 1998-01-14 |
JPH1026884A (ja) | 1998-01-27 |
FR2751101B1 (fr) | 2002-01-18 |
DE69718561D1 (de) | 2003-02-27 |
EP0818717B1 (en) | 2003-01-22 |
ITRM970411A1 (it) | 1999-01-09 |
US5895144A (en) | 1999-04-20 |
FR2751101A1 (fr) | 1998-01-16 |
JP3252090B2 (ja) | 2002-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |