DE69425870D1 - Entwicklungseinheit mit Vorrichtung zur Regelung der Entwicklermenge - Google Patents

Entwicklungseinheit mit Vorrichtung zur Regelung der Entwicklermenge

Info

Publication number
DE69425870D1
DE69425870D1 DE69425870T DE69425870T DE69425870D1 DE 69425870 D1 DE69425870 D1 DE 69425870D1 DE 69425870 T DE69425870 T DE 69425870T DE 69425870 T DE69425870 T DE 69425870T DE 69425870 D1 DE69425870 D1 DE 69425870D1
Authority
DE
Germany
Prior art keywords
developer
regulating
amount
development unit
development
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
DE69425870T
Other languages
English (en)
Other versions
DE69425870T2 (de
Inventor
Masahiro Watabe
Noriyuki Yanai
Kentaro Niwano
Arihiro Yamamoto
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18167364&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69425870(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69425870D1 publication Critical patent/DE69425870D1/de
Publication of DE69425870T2 publication Critical patent/DE69425870T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • 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
    • G03G15/0812—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 developer regulating means, e.g. structure of doctor blade

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dry Development In Electrophotography (AREA)
DE69425870T 1993-12-22 1994-12-16 Entwicklungseinheit mit Vorrichtung zur Regelung der Entwicklermenge Expired - Lifetime DE69425870T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5324576A JP3015240B2 (ja) 1993-12-22 1993-12-22 現像剤量規制部材およびそれを用いた現像装置

Publications (2)

Publication Number Publication Date
DE69425870D1 true DE69425870D1 (de) 2000-10-19
DE69425870T2 DE69425870T2 (de) 2001-03-01

Family

ID=18167364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425870T Expired - Lifetime DE69425870T2 (de) 1993-12-22 1994-12-16 Entwicklungseinheit mit Vorrichtung zur Regelung der Entwicklermenge

Country Status (4)

Country Link
US (1) US5587776A (de)
EP (1) EP0659788B1 (de)
JP (1) JP3015240B2 (de)
DE (1) DE69425870T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08328381A (ja) * 1995-06-02 1996-12-13 Canon Inc 弾性ブレード及び現像装置
JP3048222B2 (ja) * 1996-05-27 2000-06-05 キヤノン株式会社 現像剤規制部材及び現像装置
JP3315595B2 (ja) * 1996-06-10 2002-08-19 キヤノン株式会社 現像剤規制部材および現像装置
JP3241614B2 (ja) * 1996-10-31 2001-12-25 シャープ株式会社 現像装置
US6078770A (en) * 1997-05-07 2000-06-20 Canon Kabushiki Kaisha Toner-amount regulating elastic blade and developing device and apparatus unit using the same
US6094555A (en) * 1998-01-30 2000-07-25 Canon Kabushiki Kaisha Developer amount regulating member, method of producing the same, and development device using the same
US6021299A (en) * 1999-05-27 2000-02-01 Oki Data America, Inc. Precision blade for metering toner on developing roller
JP2002055578A (ja) * 2000-08-08 2002-02-20 Bando Chem Ind Ltd 電子写真装置用ブレード体
JP3826125B2 (ja) * 2003-10-14 2006-09-27 キヤノン株式会社 現像ローラ、電子写真プロセスカートリッジ及び電子写真画像形成装置
EP3454134A1 (de) * 2017-09-07 2019-03-13 Canon Kabushiki Kaisha Entwicklungsvorrichtung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE366051B (de) * 1971-12-08 1974-04-08 Bofors Ab
JPS6087343A (ja) * 1983-10-19 1985-05-17 Canon Inc 現像方法
JP2877311B2 (ja) * 1988-02-19 1999-03-31 キヤノン株式会社 クリーニングブレードおよびその製造方法
US5168312A (en) * 1989-10-16 1992-12-01 Ricoh Company, Ltd. Unit for developing electrostatic latent images including member having overcoat layer
JPH03216682A (ja) * 1990-01-22 1991-09-24 Ricoh Co Ltd 現像装置
DE4116562A1 (de) * 1990-05-21 1991-11-28 Bando Chemical Ind Reinigungsblatt aus polyurethanelastomerem zur verwendung bei der elektrophotographie und verfahren zu seiner herstellung
JP2962843B2 (ja) * 1990-06-07 1999-10-12 キヤノン株式会社 クリーニングブレード及びこれを用いた装置
JPH04204971A (ja) * 1990-11-30 1992-07-27 Toshiba Corp 現像装置
US5157098A (en) * 1991-09-30 1992-10-20 Xerox Corporation Cleaning apparatus made of polyurethane
JPH05232792A (ja) * 1992-02-20 1993-09-10 Canon Inc 現像装置
JPH05257374A (ja) * 1992-03-13 1993-10-08 Ricoh Co Ltd 現像装置
WO1993021415A1 (en) * 1992-04-16 1993-10-28 H.B. Fuller Licensing & Financing, Inc. Improved metal casing with thermal break

Also Published As

Publication number Publication date
DE69425870T2 (de) 2001-03-01
EP0659788A1 (de) 1995-06-28
EP0659788B1 (de) 2000-09-13
US5587776A (en) 1996-12-24
JP3015240B2 (ja) 2000-03-06
JPH07181803A (ja) 1995-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition