DE69312171D1 - Nichtmagnetisches Einzelkomponenten Entwicklungssystem für Graustufenbilder - Google Patents

Nichtmagnetisches Einzelkomponenten Entwicklungssystem für Graustufenbilder

Info

Publication number
DE69312171D1
DE69312171D1 DE69312171T DE69312171T DE69312171D1 DE 69312171 D1 DE69312171 D1 DE 69312171D1 DE 69312171 T DE69312171 T DE 69312171T DE 69312171 T DE69312171 T DE 69312171T DE 69312171 D1 DE69312171 D1 DE 69312171D1
Authority
DE
Germany
Prior art keywords
single component
development system
component development
grayscale images
magnetic single
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 - Fee Related
Application number
DE69312171T
Other languages
English (en)
Other versions
DE69312171T2 (de
Inventor
Eric Carl Stelter
Joseph Edward Guth
William B Vreeland
Thomas Arthur Jadwin
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE69312171D1 publication Critical patent/DE69312171D1/de
Publication of DE69312171T2 publication Critical patent/DE69312171T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/06—Developing
    • G03G13/08—Developing using a solid developer, e.g. powder developer
    • 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
    • G03G15/0808—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 supplying means, e.g. structure of developer supply roller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Developing Agents For Electrophotography (AREA)
DE69312171T 1992-05-29 1993-05-27 Nichtmagnetisches Einzelkomponenten Entwicklungssystem für Graustufenbilder Expired - Fee Related DE69312171T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/891,372 US5255057A (en) 1992-05-29 1992-05-29 Gray scale monocomponent nonmagnetic development system

Publications (2)

Publication Number Publication Date
DE69312171D1 true DE69312171D1 (de) 1997-08-21
DE69312171T2 DE69312171T2 (de) 1998-02-26

Family

ID=25398074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312171T Expired - Fee Related DE69312171T2 (de) 1992-05-29 1993-05-27 Nichtmagnetisches Einzelkomponenten Entwicklungssystem für Graustufenbilder

Country Status (4)

Country Link
US (1) US5255057A (de)
EP (1) EP0572000B1 (de)
JP (1) JPH0635303A (de)
DE (1) DE69312171T2 (de)

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JPS63187439A (ja) * 1987-01-30 1988-08-03 Hitachi Ltd 光磁気記録方式
US5428428A (en) * 1992-06-15 1995-06-27 Konica Corporation Developing device having a control electrode
EP0843234B1 (de) * 1992-06-30 2002-08-14 Sharp Kabushiki Kaisha Entwicklungsvorrichtung
EP0822466B1 (de) * 1992-09-28 2006-03-01 Fuji Xerox Co., Ltd. Entwicklungsgerät für ein Bilderzeugungsgerät
US5570166A (en) * 1993-11-19 1996-10-29 Canon Kabushiki Kaisha Developing apparatus that applies voltage to developer layer thickness regulating member
KR960001929A (ko) * 1994-06-30 1996-01-26 김광호 전자 사진 현상 장치
JP3110640B2 (ja) * 1995-01-20 2000-11-20 シャープ株式会社 現像装置
US5733497A (en) * 1995-03-31 1998-03-31 Dtm Corporation Selective laser sintering with composite plastic material
KR0154710B1 (ko) * 1995-05-31 1998-12-15 김광호 현상롤러의 토너층 두께 규제 장치
US5758234A (en) * 1997-04-17 1998-05-26 Hewlett-Packard Company Apparatus and method for conditioning a photoconductor
JP2000010398A (ja) * 1998-06-17 2000-01-14 Bridgestone Corp トナー担持体及び画像形成装置
US6649314B1 (en) * 2000-02-17 2003-11-18 Nexpress Solutions Llc Process for reducing image defects in an electrostatographic apparatus containing particulate contaminants
JP2002023480A (ja) * 2000-07-06 2002-01-23 Canon Inc 画像形成装置
JP4920981B2 (ja) * 2006-01-30 2012-04-18 キヤノン株式会社 画像形成装置
JP2008224721A (ja) * 2007-03-08 2008-09-25 Konica Minolta Business Technologies Inc 現像装置及び画像形成装置
GB2546016B (en) 2014-06-20 2018-11-28 Velo3D Inc Apparatuses, systems and methods for three-dimensional printing
WO2017079091A1 (en) 2015-11-06 2017-05-11 Velo3D, Inc. Adept three-dimensional printing
CN108698126A (zh) 2015-12-10 2018-10-23 维洛3D公司 精湛的三维打印
WO2017143077A1 (en) 2016-02-18 2017-08-24 Velo3D, Inc. Accurate three-dimensional printing
EP3492244A1 (de) 2016-06-29 2019-06-05 VELO3D, Inc. Dreidimensionales drucksystem und verfahren zum dreidimensionalen drucken
US11691343B2 (en) 2016-06-29 2023-07-04 Velo3D, Inc. Three-dimensional printing and three-dimensional printers
US10661341B2 (en) 2016-11-07 2020-05-26 Velo3D, Inc. Gas flow in three-dimensional printing
US10611092B2 (en) 2017-01-05 2020-04-07 Velo3D, Inc. Optics in three-dimensional printing
US10369629B2 (en) 2017-03-02 2019-08-06 Veo3D, Inc. Three-dimensional printing of three-dimensional objects
US20180281237A1 (en) 2017-03-28 2018-10-04 Velo3D, Inc. Material manipulation in three-dimensional printing
US10272525B1 (en) 2017-12-27 2019-04-30 Velo3D, Inc. Three-dimensional printing systems and methods of their use
US10144176B1 (en) 2018-01-15 2018-12-04 Velo3D, Inc. Three-dimensional printing systems and methods of their use

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100884A (en) * 1976-02-25 1978-07-18 Ricoh Company, Ltd. Rubber developer roller using single component toner
JPS54149632A (en) * 1978-05-16 1979-11-24 Ricoh Co Ltd Development for zerography
DE3107055A1 (de) * 1980-03-04 1982-01-07 Canon K.K., Tokyo "entwicklungsvorrichtung"
US4445771A (en) * 1980-12-05 1984-05-01 Ricoh Company, Ltd. Developing apparatus for electrostatic photography
US4575218A (en) * 1980-12-05 1986-03-11 Ricoh Company, Ltd. Developing apparatus for electrostatic photography
US4576463A (en) * 1980-12-05 1986-03-18 Ricoh Company, Ltd. Developing apparatus for electrostatic photography
US4450220A (en) * 1981-02-25 1984-05-22 Konishiroku Photo Industry Co., Ltd. Method of charging electrostatic developer
US4459009A (en) * 1981-07-27 1984-07-10 Xerox Corporation Apparatus, process for charging toner particles
JPS59116769A (ja) * 1982-12-24 1984-07-05 Ricoh Co Ltd 現像装置
JPS6026062U (ja) * 1983-07-28 1985-02-22 株式会社リコー 画像形成装置
JPS6051853A (ja) * 1983-08-31 1985-03-23 Toshiba Corp 現像装置
JPS6051847A (ja) * 1983-08-31 1985-03-23 Toshiba Corp 現像装置
DE3434563A1 (de) * 1983-09-22 1985-04-11 Ricoh Co., Ltd., Tokio/Tokyo Entwicklungseinrichtung
US4707382A (en) * 1983-09-28 1987-11-17 Ricoh Company, Ltd. Developer carrier and a method for manufacturing the same
US4743937A (en) * 1983-12-12 1988-05-10 Xerox Corporation Apparatus for charging toner particles
JPS60256163A (ja) * 1984-06-01 1985-12-17 Toshiba Corp 現像装置
GB2163371B (en) * 1984-08-07 1988-04-07 Ricoh Kk Developing electrostatic latent images
US4696255A (en) * 1984-08-07 1987-09-29 Ricoh Company, Ltd. Developing apparatus
US4764841A (en) * 1984-12-14 1988-08-16 Xerox Corporation Toner charging apparatus with coated toner transport members
US4760422A (en) * 1985-01-16 1988-07-26 Ricoh Company, Ltd. Developing device using single component toner
DE3678618D1 (de) * 1985-06-13 1991-05-16 Matsushita Electric Ind Co Ltd Entwicklungsvorrichtung.
US4710015A (en) * 1985-10-28 1987-12-01 Ricoh Company, Ltd. Developing apparatus
US4833059A (en) * 1986-03-18 1989-05-23 Kabushiki Kaisha Toshiba Developing method using one-component non-magnetic toner with positive frictional charge
JPH07107616B2 (ja) * 1986-09-26 1995-11-15 株式会社リコー 現像装置
JPS6385658A (ja) * 1986-09-30 1988-04-16 Toshiba Corp 現像装置
US4774541A (en) * 1986-11-20 1988-09-27 Xerox Corporation Single component development system with biased squirrel cage for delivering toner particles to a charging nip
JP2597573B2 (ja) * 1987-03-26 1997-04-09 株式会社東芝 記録方法
US5012285A (en) * 1987-05-08 1991-04-30 Minolta Camera Kabushiki Kaisha Developing apparatus including a partitioning arrangement for partitioning the toner accommodating tank
US5041351A (en) * 1988-03-30 1991-08-20 Canon Kabushiki Kaisha One component developer for developing electrostatic image and image forming method
JP2560085B2 (ja) * 1988-07-22 1996-12-04 花王株式会社 静電荷像現像用現像剤
US4990424A (en) * 1988-08-12 1991-02-05 Xerox Corporation Toner and developer compositions with semicrystalline polyolefin resin blends
US4985328A (en) * 1988-09-22 1991-01-15 Hitachi Chemical Co., Ltd. Dry toner, dry developer and process for forming electrophotographic images
JPH0297967A (ja) * 1988-10-05 1990-04-10 Canon Inc 負帯電性トナー及び画像形成方法
US5038710A (en) * 1988-11-18 1991-08-13 Brother Kogyo Kabushiki Kaisha Developer material coating apparatus
DE69013529T2 (de) * 1989-02-08 1995-04-27 Agfa Gevaert Nv Partikeltonermaterial.
US5034775A (en) * 1990-02-26 1991-07-23 Xerox Corporation Triboelectric charge measurement
US5132735A (en) * 1991-06-27 1992-07-21 Xerox Corporation Development apparatus with toner diverting members

Also Published As

Publication number Publication date
DE69312171T2 (de) 1998-02-26
US5255057A (en) 1993-10-19
EP0572000A1 (de) 1993-12-01
JPH0635303A (ja) 1994-02-10
EP0572000B1 (de) 1997-07-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee