JPS58208769A - 現像装置 - Google Patents

現像装置

Info

Publication number
JPS58208769A
JPS58208769A JP9144882A JP9144882A JPS58208769A JP S58208769 A JPS58208769 A JP S58208769A JP 9144882 A JP9144882 A JP 9144882A JP 9144882 A JP9144882 A JP 9144882A JP S58208769 A JPS58208769 A JP S58208769A
Authority
JP
Japan
Prior art keywords
particles
layer
conductive
conductive particles
developer carrier
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
JP9144882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0223864B2 (enrdf_load_stackoverflow
Inventor
Toshio Kaneko
利雄 金子
Koji Sakamoto
康治 坂本
Fuchio Sugano
菅野 布千雄
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
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP9144882A priority Critical patent/JPS58208769A/ja
Priority to GB08314604A priority patent/GB2120960B/en
Priority to US06/498,988 priority patent/US4564285A/en
Priority to DE19833319708 priority patent/DE3319708A1/de
Publication of JPS58208769A publication Critical patent/JPS58208769A/ja
Publication of JPH0223864B2 publication Critical patent/JPH0223864B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • G03G15/0928Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/06Developing structures, details
    • G03G2215/0634Developing device
    • G03G2215/0636Specific type of dry developer device
    • G03G2215/0651Electrodes in donor member surface
    • G03G2215/0653Microelectrodes in donor member surface, e.g. floating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP9144882A 1982-05-31 1982-05-31 現像装置 Granted JPS58208769A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9144882A JPS58208769A (ja) 1982-05-31 1982-05-31 現像装置
GB08314604A GB2120960B (en) 1982-05-31 1983-05-26 Developer device
US06/498,988 US4564285A (en) 1982-05-31 1983-05-27 Developing device having dispersed floating electrodes in a dielectric layer
DE19833319708 DE3319708A1 (de) 1982-05-31 1983-05-31 Entwicklungseinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9144882A JPS58208769A (ja) 1982-05-31 1982-05-31 現像装置

Publications (2)

Publication Number Publication Date
JPS58208769A true JPS58208769A (ja) 1983-12-05
JPH0223864B2 JPH0223864B2 (enrdf_load_stackoverflow) 1990-05-25

Family

ID=14026639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9144882A Granted JPS58208769A (ja) 1982-05-31 1982-05-31 現像装置

Country Status (1)

Country Link
JP (1) JPS58208769A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205473A (ja) * 1984-03-29 1985-10-17 Ricoh Co Ltd 現像スリ−ブの製法
JPS61138261A (ja) * 1984-12-11 1986-06-25 Tomoegawa Paper Co Ltd 電子写真現像法
JPS62143074A (ja) * 1985-12-17 1987-06-26 Ricoh Co Ltd 現像装置用の現像剤担持体の製造方法
JPH01102485A (ja) * 1987-10-15 1989-04-20 Tokai Rubber Ind Ltd ロール
JPH01109377A (ja) * 1987-10-23 1989-04-26 Tokai Rubber Ind Ltd ロールの製法
JPH01277265A (ja) * 1988-04-28 1989-11-07 Canon Inc 現像装置
US4908665A (en) * 1987-02-23 1990-03-13 Ricoh Company, Ltd. Developer carrier containing electrically conductive filler present in a resin coating layer for use in dry-type image developing device
US4990963A (en) * 1987-07-16 1991-02-05 Minolta Camera Co., Ltd. Senri Center Developing member composed of conductive particles in a dielectric material and having a variable volume resistivity
US5274426A (en) * 1991-05-29 1993-12-28 Canon Kabushiki Kaisha Developing apparatus and developer carrying member therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114163A (en) * 1980-12-30 1982-07-15 Ricoh Co Ltd Developing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114163A (en) * 1980-12-30 1982-07-15 Ricoh Co Ltd Developing device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205473A (ja) * 1984-03-29 1985-10-17 Ricoh Co Ltd 現像スリ−ブの製法
JPS61138261A (ja) * 1984-12-11 1986-06-25 Tomoegawa Paper Co Ltd 電子写真現像法
JPS62143074A (ja) * 1985-12-17 1987-06-26 Ricoh Co Ltd 現像装置用の現像剤担持体の製造方法
US4908665A (en) * 1987-02-23 1990-03-13 Ricoh Company, Ltd. Developer carrier containing electrically conductive filler present in a resin coating layer for use in dry-type image developing device
US4990963A (en) * 1987-07-16 1991-02-05 Minolta Camera Co., Ltd. Senri Center Developing member composed of conductive particles in a dielectric material and having a variable volume resistivity
JPH01102485A (ja) * 1987-10-15 1989-04-20 Tokai Rubber Ind Ltd ロール
JPH01109377A (ja) * 1987-10-23 1989-04-26 Tokai Rubber Ind Ltd ロールの製法
JPH01277265A (ja) * 1988-04-28 1989-11-07 Canon Inc 現像装置
US5274426A (en) * 1991-05-29 1993-12-28 Canon Kabushiki Kaisha Developing apparatus and developer carrying member therefor

Also Published As

Publication number Publication date
JPH0223864B2 (enrdf_load_stackoverflow) 1990-05-25

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