IT1144107B - Copiatrice elettrofotografica - Google Patents

Copiatrice elettrofotografica

Info

Publication number
IT1144107B
IT1144107B IT67250/81A IT6725081A IT1144107B IT 1144107 B IT1144107 B IT 1144107B IT 67250/81 A IT67250/81 A IT 67250/81A IT 6725081 A IT6725081 A IT 6725081A IT 1144107 B IT1144107 B IT 1144107B
Authority
IT
Italy
Prior art keywords
order
photocopier
create
magnetic brush
sleeve
Prior art date
Application number
IT67250/81A
Other languages
English (en)
Other versions
IT8167250A0 (it
Inventor
Bruno Cestari Riccardo Forlani
Piero Gontero
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT67250/81A priority Critical patent/IT1144107B/it
Publication of IT8167250A0 publication Critical patent/IT8167250A0/it
Priority to DE8383200851T priority patent/DE3271486D1/de
Priority to AT83200851T priority patent/ATE20158T1/de
Priority to EP82300666A priority patent/EP0060030A3/en
Priority to EP83200851A priority patent/EP0096450B1/en
Priority to ES509862A priority patent/ES8304325A1/es
Priority to JP57028694A priority patent/JPS57158864A/ja
Priority to US06/516,810 priority patent/US4486091A/en
Application granted granted Critical
Publication of IT1144107B publication Critical patent/IT1144107B/it

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
    • G03G15/80—Details relating to power supplies, circuits boards, electrical connections
    • 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • G03G15/0928—Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Fixing For Electrophotography (AREA)
IT67250/81A 1981-02-24 1981-02-24 Copiatrice elettrofotografica IT1144107B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT67250/81A IT1144107B (it) 1981-02-24 1981-02-24 Copiatrice elettrofotografica
DE8383200851T DE3271486D1 (en) 1981-02-24 1982-02-10 Electrophotographic copier
AT83200851T ATE20158T1 (de) 1981-02-24 1982-02-10 Elektrophotographisches kopiergeraet.
EP82300666A EP0060030A3 (en) 1981-02-24 1982-02-10 Electrophotographic copier
EP83200851A EP0096450B1 (en) 1981-02-24 1982-02-10 Electrophotographic copier
ES509862A ES8304325A1 (es) 1981-02-24 1982-02-24 Perfeccionamientos en una copiadora electrofotografica.
JP57028694A JPS57158864A (en) 1981-02-24 1982-02-24 Electrophotographic copying machine
US06/516,810 US4486091A (en) 1981-02-24 1983-07-25 Electrophotographic copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67250/81A IT1144107B (it) 1981-02-24 1981-02-24 Copiatrice elettrofotografica

Publications (2)

Publication Number Publication Date
IT8167250A0 IT8167250A0 (it) 1981-02-24
IT1144107B true IT1144107B (it) 1986-10-29

Family

ID=11300840

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67250/81A IT1144107B (it) 1981-02-24 1981-02-24 Copiatrice elettrofotografica

Country Status (6)

Country Link
US (1) US4486091A (it)
EP (1) EP0060030A3 (it)
JP (1) JPS57158864A (it)
AT (1) ATE20158T1 (it)
ES (1) ES8304325A1 (it)
IT (1) IT1144107B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6474572A (en) * 1987-09-16 1989-03-20 Fuji Xerox Co Ltd Roller driving device in fixing device
US5084733A (en) * 1987-10-28 1992-01-28 Canon Kabushiki Kaisha Developing apparatus having developer layer regulation means
JP2553340Y2 (ja) * 1988-04-25 1997-11-05 日立金属株式会社 マグネットロール
US5286917A (en) * 1990-09-28 1994-02-15 Canon Kabushiki Kaisha Apparatus for developing electrostatic latent image and developing roller therefor
JP3548183B2 (ja) * 1991-07-09 2004-07-28 キヤノン株式会社 画像形成装置
JPH07271130A (ja) * 1994-03-29 1995-10-20 Tec Corp 画像形成装置
EP1156373A1 (en) 2000-05-17 2001-11-21 Heidelberger Druckmaschinen Aktiengesellschaft Electrographic developer compositions and method for development of an electrostatic image
JP4064899B2 (ja) * 2003-09-09 2008-03-19 千代田第一工業株式会社 フィルム基材またはテープ基材の加工機械に設置するローラーの製造方法
JP2007183533A (ja) * 2005-12-07 2007-07-19 Ricoh Co Ltd 現像装置、プロセスカートリッジ、及び、画像形成装置
CN100509285C (zh) * 2007-08-22 2009-07-08 天津市中环天佳电子有限公司 磁套筒喷砂后去尖点工艺

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040704A (en) * 1957-04-16 1962-06-26 Rca Corp Apparatus for developing electrostatic printing
US3219014A (en) * 1962-12-04 1965-11-23 Xerox Corp Mechanical shield to protect magnetic core in xerographic developing apparatus
US4126100A (en) * 1974-08-01 1978-11-21 Mita Industrial Company Ltd. Apparatus for causing a developer powder to make an irregular motion in a developing zone
JPS523436A (en) * 1975-06-27 1977-01-11 Fuji Xerox Co Ltd Contact-heating fixing appliance for electronic photograph duplicator
JPS5853334B2 (ja) * 1975-07-25 1983-11-29 株式会社リコー アツリヨクロ−ラテイチヤクソウチ
NL7509870A (nl) * 1975-08-20 1977-02-22 Oce Van Der Grinten Nv Magneetrol.
JPS5279937A (en) * 1975-12-26 1977-07-05 Fuji Xerox Co Ltd Heat contact fixing device for electrophotographic copying machine
US4195927A (en) * 1978-01-30 1980-04-01 Dennison Manufacturing Company Double transfer electrophotography
JPS5492747A (en) * 1977-12-29 1979-07-23 Minolta Camera Co Ltd Pressure fixing device of powder lmages
JPS607796B2 (ja) * 1978-01-26 1985-02-27 富士ゼロツクス株式会社 圧力定着装置
JPS54143652A (en) * 1978-04-28 1979-11-09 Canon Inc Magnetic developing device
JPS5515179A (en) * 1978-07-19 1980-02-02 Ricoh Co Ltd Developing apparatus
JPS5526536A (en) * 1978-08-15 1980-02-26 Hitachi Metals Ltd Magnetic brush developing machine
JPS55121465A (en) * 1979-03-13 1980-09-18 Canon Inc Pressure fixing device
CA1173100A (en) * 1979-04-17 1984-08-21 Yoshiyuki Takematsu Electric flash apparatus
JPS55140858A (en) * 1979-04-20 1980-11-04 Canon Inc Developing unit
US4377332A (en) * 1979-04-20 1983-03-22 Canon Kabushiki Kaisha Developing device
JPS55147651A (en) * 1979-05-07 1980-11-17 Ricoh Co Ltd Electrophotographic apparatus
US4274361A (en) * 1979-11-02 1981-06-23 Burroughs Corporation Electrostatic and magnetic transfer enhancing apparatus for conducting and magnetically attracting toner
US4382673A (en) * 1980-03-25 1983-05-10 Tokyo Shibaura Denki Kabushiki Kaisha Transfer device
JPS5764764A (en) * 1980-10-09 1982-04-20 Canon Inc Dry type development device

Also Published As

Publication number Publication date
EP0060030A2 (en) 1982-09-15
JPH0322995B2 (it) 1991-03-28
ES509862A0 (es) 1983-02-16
JPS57158864A (en) 1982-09-30
EP0060030A3 (en) 1982-12-01
ES8304325A1 (es) 1983-02-16
IT8167250A0 (it) 1981-02-24
US4486091A (en) 1984-12-04
ATE20158T1 (de) 1986-06-15

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