DE60229579D1 - Entwicklungsgerät mit magnetischer Abdichtung der beiden Seiten einer Entwicklerrolle - Google Patents

Entwicklungsgerät mit magnetischer Abdichtung der beiden Seiten einer Entwicklerrolle

Info

Publication number
DE60229579D1
DE60229579D1 DE60229579T DE60229579T DE60229579D1 DE 60229579 D1 DE60229579 D1 DE 60229579D1 DE 60229579 T DE60229579 T DE 60229579T DE 60229579 T DE60229579 T DE 60229579T DE 60229579 D1 DE60229579 D1 DE 60229579D1
Authority
DE
Germany
Prior art keywords
developer
sides
magnetic seal
roll
developer roll
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 - Lifetime
Application number
DE60229579T
Other languages
German (de)
English (en)
Inventor
Shigeo Miyabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE60229579D1 publication Critical patent/DE60229579D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
DE60229579T 2001-03-01 2002-02-28 Entwicklungsgerät mit magnetischer Abdichtung der beiden Seiten einer Entwicklerrolle Expired - Lifetime DE60229579D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001056572A JP4672885B2 (ja) 2001-03-01 2001-03-01 現像装置及びプロセスカートリッジ

Publications (1)

Publication Number Publication Date
DE60229579D1 true DE60229579D1 (de) 2008-12-11

Family

ID=18916580

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60229579T Expired - Lifetime DE60229579D1 (de) 2001-03-01 2002-02-28 Entwicklungsgerät mit magnetischer Abdichtung der beiden Seiten einer Entwicklerrolle

Country Status (4)

Country Link
US (1) US6671473B2 (enExample)
EP (1) EP1239342B1 (enExample)
JP (1) JP4672885B2 (enExample)
DE (1) DE60229579D1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4217474B2 (ja) 2002-12-20 2009-02-04 キヤノン株式会社 磁性体シール部材、これを用いた現像装置、プロセスカートリッジ及び電子写真画像形成装置
JP4617126B2 (ja) * 2004-09-13 2011-01-19 キヤノン株式会社 現像装置及びプロセスカートリッジ
JP4659468B2 (ja) * 2005-01-26 2011-03-30 キヤノン株式会社 現像ユニット及びプロセスカートリッジ
US7356292B2 (en) * 2006-06-15 2008-04-08 Xerox Corporation Electrostatographic developer unit having multiple magnetic brush rolls with a magnetic restrictor for carrier particle emission control
JP4498407B2 (ja) 2006-12-22 2010-07-07 キヤノン株式会社 プロセスカートリッジ、電子写真画像形成装置、及び、電子写真感光体ドラムユニット
JP4948382B2 (ja) 2006-12-22 2012-06-06 キヤノン株式会社 感光ドラム取り付け用カップリング部材
US7627265B2 (en) * 2007-01-15 2009-12-01 Lexmark International, Inc. Seal and seal assembly for an image forming apparatus
JP5311854B2 (ja) 2007-03-23 2013-10-09 キヤノン株式会社 電子写真画像形成装置、現像装置、及び、カップリング部材
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
JP5328230B2 (ja) 2008-06-10 2013-10-30 キヤノン株式会社 カートリッジ、及び、前記カートリッジを用いた電子写真画像形成装置
FR2951549B1 (fr) 2009-10-15 2013-08-23 Olivier Schussler Procede d'obtention de bioprotheses medicales implantables
JP2012078548A (ja) * 2010-10-01 2012-04-19 Fuji Xerox Co Ltd 現像装置および画像形成装置
JP6226661B2 (ja) * 2013-09-18 2017-11-08 キヤノン株式会社 プロセスカートリッジ
JP7599870B2 (ja) 2020-08-31 2024-12-16 キヤノン株式会社 現像装置及びその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730859A (en) 1980-07-31 1982-02-19 Fuji Xerox Co Ltd Magnetic brush developing device
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
JPH08166719A (ja) * 1994-12-14 1996-06-25 Canon Inc 現像装置
JP3492858B2 (ja) * 1996-07-31 2004-02-03 株式会社リコー 現像装置
US5742875A (en) * 1997-02-10 1998-04-21 Xerox Corporation Roll seal blade support for a xerographic development unit using magnetic toner
JP3472108B2 (ja) * 1997-10-01 2003-12-02 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置
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
JPH11143226A (ja) * 1997-11-11 1999-05-28 Canon Inc プロセスカートリッジ及び現像装置
JP3618984B2 (ja) 1997-11-11 2005-02-09 キヤノン株式会社 現像装置及びプロセスカートリッジ

Also Published As

Publication number Publication date
JP4672885B2 (ja) 2011-04-20
US6671473B2 (en) 2003-12-30
US20030012580A1 (en) 2003-01-16
JP2002258607A (ja) 2002-09-11
EP1239342A1 (en) 2002-09-11
EP1239342B1 (en) 2008-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition