DE69627225D1 - Magnetische Abdichtung für Entwicklungsgerät - Google Patents

Magnetische Abdichtung für Entwicklungsgerät

Info

Publication number
DE69627225D1
DE69627225D1 DE69627225T DE69627225T DE69627225D1 DE 69627225 D1 DE69627225 D1 DE 69627225D1 DE 69627225 T DE69627225 T DE 69627225T DE 69627225 T DE69627225 T DE 69627225T DE 69627225 D1 DE69627225 D1 DE 69627225D1
Authority
DE
Germany
Prior art keywords
developing device
magnetic seal
seal
magnetic
developing
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
DE69627225T
Other languages
English (en)
Other versions
DE69627225T2 (de
Inventor
Jan M Malicki
Steven C Hart
David B Playfair
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE69627225D1 publication Critical patent/DE69627225D1/de
Application granted granted Critical
Publication of DE69627225T2 publication Critical patent/DE69627225T2/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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
DE69627225T 1995-01-17 1996-01-17 Magnetische Abdichtung für Entwicklungsgerät Expired - Lifetime DE69627225T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/373,717 US5552864A (en) 1995-01-17 1995-01-17 Magnetic seal with tapered shunts

Publications (2)

Publication Number Publication Date
DE69627225D1 true DE69627225D1 (de) 2003-05-15
DE69627225T2 DE69627225T2 (de) 2003-11-13

Family

ID=23473570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69627225T Expired - Lifetime DE69627225T2 (de) 1995-01-17 1996-01-17 Magnetische Abdichtung für Entwicklungsgerät

Country Status (5)

Country Link
US (1) US5552864A (de)
EP (1) EP0723211B1 (de)
JP (1) JPH08240990A (de)
BR (1) BR9600107A (de)
DE (1) DE69627225T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3372747B2 (ja) * 1996-02-09 2003-02-04 キヤノン株式会社 現像装置
JP3252090B2 (ja) * 1996-07-10 2002-01-28 キヤノン株式会社 現像装置
JP3352329B2 (ja) * 1996-07-26 2002-12-03 キヤノン株式会社 現像装置およびこれを備えたプロセスカートリッジ
JP3323749B2 (ja) * 1996-08-01 2002-09-09 キヤノン株式会社 磁気シール装置及び現像装置並びに画像形成装置
JP3492109B2 (ja) * 1996-09-26 2004-02-03 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
AU740343B2 (en) * 1996-09-26 2001-11-01 Canon Kabushiki Kaisha Process cartridge and electrophotographic image forming apparatus
US5742876A (en) * 1997-03-03 1998-04-21 Xerox Corporation Donor roll configuration of a xerographic development unit using magnetic toner
JP4154020B2 (ja) * 1998-02-17 2008-09-24 キヤノン株式会社 現像装置
US6295425B1 (en) * 1999-11-19 2001-09-25 Christopher Stephen Garcia Seal assembly for electrographic reproduction apparatus development station
US6597881B2 (en) * 2000-10-16 2003-07-22 Ricoh Company, Ltd. Image forming apparatus
JP4768561B2 (ja) * 2006-09-22 2011-09-07 シャープ株式会社 シール装置および現像装置
DE102007009190B4 (de) 2007-02-26 2008-10-16 OCé PRINTING SYSTEMS GMBH Vorrichtung und Verfahren zur Abdichtung einer Welle gegen den Durchtritt eines Tonergemischs
JP5383379B2 (ja) * 2008-11-26 2014-01-08 キヤノン株式会社 現像装置及びカートリッジ
DE102009023322B4 (de) 2009-05-29 2011-06-09 OCé PRINTING SYSTEMS GMBH Vorrichtung und Verfahren zur Abdichtung einer Welle gegen den Durchtritt von Partikeln
JP5932307B2 (ja) * 2011-11-17 2016-06-08 キヤノン株式会社 現像装置
JP7091092B2 (ja) * 2018-03-07 2022-06-27 キヤノン株式会社 現像装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788275A (en) * 1972-06-28 1974-01-29 Xerox Corp Magnetic shielding apparatus
US4040386A (en) * 1975-05-01 1977-08-09 Xerox Corporation Retractable edge seals for electrostatographic development systems
JPS6054149U (ja) * 1983-09-20 1985-04-16 株式会社東芝 現像装置
US4878088A (en) * 1985-07-02 1989-10-31 Fujitsu Limited Developing unit of electrophotographic apparatus
US4616919A (en) * 1985-09-05 1986-10-14 International Business Machines Corporation Non-contact developer seal
JPS63124075A (ja) * 1986-11-13 1988-05-27 Fujitsu Ltd 磁気ブラシ現像装置
EP0390472A3 (de) * 1989-03-31 1991-11-06 Canon Kabushiki Kaisha Entwicklungsgerät
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
US5187328A (en) * 1990-11-28 1993-02-16 Electro Wire Products, Inc. Environmentally sealed vehicular air bag sensor
US5442423A (en) * 1994-06-23 1995-08-15 Xerox Corporation External development housing bearings
US5450169A (en) * 1994-06-23 1995-09-12 Xerox Corporation Multi-lobe magnetic seals

Also Published As

Publication number Publication date
EP0723211A2 (de) 1996-07-24
US5552864A (en) 1996-09-03
EP0723211B1 (de) 2003-04-09
JPH08240990A (ja) 1996-09-17
DE69627225T2 (de) 2003-11-13
EP0723211A3 (de) 1997-08-20
BR9600107A (pt) 1998-01-27

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)