FR2358691A1 - Dispositif de developpement pour des appareils de reprographie du type a sec - Google Patents

Dispositif de developpement pour des appareils de reprographie du type a sec

Info

Publication number
FR2358691A1
FR2358691A1 FR7721631A FR7721631A FR2358691A1 FR 2358691 A1 FR2358691 A1 FR 2358691A1 FR 7721631 A FR7721631 A FR 7721631A FR 7721631 A FR7721631 A FR 7721631A FR 2358691 A1 FR2358691 A1 FR 2358691A1
Authority
FR
France
Prior art keywords
dry type
development device
developing
reprography
equipment
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.)
Granted
Application number
FR7721631A
Other languages
English (en)
Other versions
FR2358691B1 (fr
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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
Priority claimed from JP8471276A external-priority patent/JPS603191B2/ja
Priority claimed from JP2989677A external-priority patent/JPS6020749B2/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2358691A1 publication Critical patent/FR2358691A1/fr
Application granted granted Critical
Publication of FR2358691B1 publication Critical patent/FR2358691B1/fr
Granted 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
    • G03G15/0812—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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

a. L'invention concerne un dispositif de développement pour des appareils de reprographie à poudre de développement ou de toner fourni à une image électrostatique. b. Il comporte un dispositif de régulation 6 de l'épaisseur de toner sur le cylindre de développement 5, possédant un sommet biseauté suivant un angle theta 1 compris entre 0 et 90 degrés , alors que le bord du biseau forme, avec le plan passant par l'axe du cylindre de développement 5, un angle theta 2 qui est compris entre 0 et 90 degrés . c. Application aux appareils de reprographie par voie électrophotographique.
FR7721631A 1976-07-16 1977-07-13 Dispositif de developpement pour des appareils de reprographie du type a sec Granted FR2358691A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8471276A JPS603191B2 (ja) 1976-07-16 1976-07-16 複写機の現像装置
JP2989677A JPS6020749B2 (ja) 1977-03-18 1977-03-18 電子写真複写機の乾式現像装置

Publications (2)

Publication Number Publication Date
FR2358691A1 true FR2358691A1 (fr) 1978-02-10
FR2358691B1 FR2358691B1 (fr) 1984-03-09

Family

ID=26368149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7721631A Granted FR2358691A1 (fr) 1976-07-16 1977-07-13 Dispositif de developpement pour des appareils de reprographie du type a sec

Country Status (5)

Country Link
US (1) US4119060A (fr)
CA (1) CA1085156A (fr)
DE (1) DE2732172C2 (fr)
FR (1) FR2358691A1 (fr)
GB (1) GB1583472A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362428A1 (fr) * 1976-08-16 1978-03-17 Eskofot Research As Dispositif d'application de revelateur pour machine a copier
EP0002845A2 (fr) * 1977-12-22 1979-07-11 Agfa-Gevaert N.V. Dispositif de développement pour copieur xérographique

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53113551A (en) * 1977-03-15 1978-10-04 Fuji Photo Film Co Ltd Developing device
DE2830012C2 (de) * 1977-07-07 1983-07-28 Ricoh Co., Ltd., Tokyo Vorrichtung zur Entwicklung eines elektrostatischen Ladungsbildes
JPS5451846A (en) * 1977-09-30 1979-04-24 Ricoh Co Ltd Electrostatic latent image developing device
DE2919804C2 (de) * 1978-05-16 1984-08-02 Ricoh Co., Ltd., Tokio/Tokyo Verfahren und Einrichtung zum Entwickeln eines latenten elektrostatischen Bildes
US4391512A (en) * 1979-01-06 1983-07-05 Canon Kabushiki Kaisha Developing device using magnetic developer
GB2046634B (en) * 1979-02-02 1983-09-28 Canon Kk Magnetic brush developer
DE2915289C2 (de) * 1979-04-14 1983-01-05 Küsters, Eduard, 4150 Krefeld Vorrichtung zum Auftragen von Schaum auf eine laufende Bahn
US4410259A (en) * 1980-03-08 1983-10-18 Mita Industrial Co., Ltd. Apparatus for developing latent electrostatic image
GB2088253B (en) * 1980-11-01 1984-05-10 Ricoh Kk Electrophotographic development apparatus
US4459009A (en) * 1981-07-27 1984-07-10 Xerox Corporation Apparatus, process for charging toner particles
US4566776A (en) * 1982-03-31 1986-01-28 Ricoh Company, Ltd. Magnetic toner developing device
JPS61183664A (ja) * 1985-02-08 1986-08-16 Ricoh Co Ltd 静電荷像現像用トナ−
GB2194179B (en) * 1986-04-24 1990-03-14 Ricoh Kk Rotary multicolor developing apparatus
US5600417A (en) * 1992-08-31 1997-02-04 Kabushiki Kaisha Toshiba Developing device for electrophotographic apparatus
JPH0922184A (ja) * 1995-07-04 1997-01-21 Mita Ind Co Ltd 静電潜像現像装置
KR0135733Y1 (ko) * 1996-08-24 1999-03-30 삼성전자주식회사 전자사진 프로세서의 현상장치
US6023600A (en) * 1998-08-31 2000-02-08 Xerox Corporation Ion charging developement system
US6223013B1 (en) * 1998-12-14 2001-04-24 Xerox Corporation Wire-less hybrid scavengeless development system
US7013104B2 (en) 2004-03-12 2006-03-14 Lexmark International, Inc. Toner regulating system having toner regulating member with metallic coating on flexible substrate
US7685692B2 (en) * 2004-05-21 2010-03-30 Industrial Technology Research Institute Process for removing material from a substrate
US7236729B2 (en) 2004-07-27 2007-06-26 Lexmark International, Inc. Electrophotographic toner regulating member with induced strain outside elastic response region

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731146A (en) * 1970-12-23 1973-05-01 Ibm Toner distribution process
US3754526A (en) * 1971-12-17 1973-08-28 Ibm Electrophotographic development apparatus
DE2538112A1 (de) * 1974-08-28 1976-03-18 Konishiroku Photo Ind Verfahren und vorrichtung zum entwickeln von latenten elektrostatischen bildern
US3952701A (en) * 1974-11-05 1976-04-27 Hitachi Metals, Ltd. Electrostatic developing apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811465A (en) * 1952-04-30 1957-10-29 Rca Corp Electrostatic printing
US3566786A (en) * 1965-01-29 1971-03-02 Helmut Taufer Image producing apparatus
US3572922A (en) * 1968-12-19 1971-03-30 Rca Corp Apparatus for developing electrostatic images
US3754963A (en) * 1970-12-23 1973-08-28 Ibm Surface for impression development in electrophotography
JPS563720Y2 (fr) * 1971-05-26 1981-01-27
BE791113A (nl) * 1971-11-24 1973-05-09 Agfa Gevaert Nv Cascadeontwikkelingsinrichting voor een elektrostatisch kopieerapparaa
US3918808A (en) * 1972-12-21 1975-11-11 Ricoh Kk Photoreceptor cleaning device for electrophotographic copying apparatus of the dry cleaning agent type
JPS5759550B2 (fr) * 1973-05-01 1982-12-15 Ricoh Kk
JPS5334050B2 (fr) * 1973-08-27 1978-09-19
JPS5330493B2 (fr) * 1973-10-04 1978-08-28
DE2359872A1 (de) * 1973-11-30 1975-06-05 Agfa Gevaert Ag Entwicklungseinrichtung fuer elektrostatische kopiergeraete
US4014291A (en) * 1976-01-26 1977-03-29 Nashua Corporation Image developing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731146A (en) * 1970-12-23 1973-05-01 Ibm Toner distribution process
US3754526A (en) * 1971-12-17 1973-08-28 Ibm Electrophotographic development apparatus
DE2538112A1 (de) * 1974-08-28 1976-03-18 Konishiroku Photo Ind Verfahren und vorrichtung zum entwickeln von latenten elektrostatischen bildern
US3952701A (en) * 1974-11-05 1976-04-27 Hitachi Metals, Ltd. Electrostatic developing apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362428A1 (fr) * 1976-08-16 1978-03-17 Eskofot Research As Dispositif d'application de revelateur pour machine a copier
EP0002845A2 (fr) * 1977-12-22 1979-07-11 Agfa-Gevaert N.V. Dispositif de développement pour copieur xérographique
EP0002845A3 (en) * 1977-12-22 1979-07-25 Agfa_Gevaert Naamloze Vennootschap Developing device for xerographic copying machines

Also Published As

Publication number Publication date
DE2732172A1 (de) 1978-01-19
US4119060A (en) 1978-10-10
DE2732172C2 (de) 1981-10-15
CA1085156A (fr) 1980-09-09
GB1583472A (en) 1981-01-28
FR2358691B1 (fr) 1984-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse