WO2008146925A1 - トナー搬送ローラ及びそれを用いた画像形成装置 - Google Patents

トナー搬送ローラ及びそれを用いた画像形成装置 Download PDF

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Publication number
WO2008146925A1
WO2008146925A1 PCT/JP2008/060075 JP2008060075W WO2008146925A1 WO 2008146925 A1 WO2008146925 A1 WO 2008146925A1 JP 2008060075 W JP2008060075 W JP 2008060075W WO 2008146925 A1 WO2008146925 A1 WO 2008146925A1
Authority
WO
WIPO (PCT)
Prior art keywords
toner
carrying roller
toner carrying
polyurethane
charging
Prior art date
Application number
PCT/JP2008/060075
Other languages
English (en)
French (fr)
Inventor
Satoru Kusano
Junichiro Sato
Original Assignee
Bridgestone Corporation
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 Bridgestone Corporation filed Critical Bridgestone Corporation
Priority to US12/601,934 priority Critical patent/US9563154B2/en
Priority to CN2008800181866A priority patent/CN101681141B/zh
Publication of WO2008146925A1 publication Critical patent/WO2008146925A1/ja

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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1685—Structure, details of the transfer member, e.g. chemical composition
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
    • G03G2215/025—Arrangements for laying down a uniform charge by contact, friction or induction using contact charging means having lateral dimensions related to other apparatus means, e.g. photodrum, developing roller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Abstract

　トナー帯電量（Ｑ／Ｍ）を落として、トナー搬送量（Ｍ／Ａ）を上げ得るトナー搬送ローラを提供する。 　回転軸と、その周囲に設けられたポリウレタン発泡体層を有するローラであって、ポリウレタン発泡体層中に、該ポリウレタンよりも帯電列において負側にある荷電制御剤を含有することを特徴とする負帯電性トナー用トナー搬送ローラ、及びポリウレタン発泡体層中に、該ポリウレタンよりも帯電列において正側にある荷電制御剤を含有することを特徴とする正帯電性トナー用トナー搬送ローラである。
PCT/JP2008/060075 2007-05-30 2008-05-30 トナー搬送ローラ及びそれを用いた画像形成装置 WO2008146925A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/601,934 US9563154B2 (en) 2007-05-30 2008-05-30 Toner transfer roller and image forming device using the same
CN2008800181866A CN101681141B (zh) 2007-05-30 2008-05-30 调色剂运送辊和使用其的图像形成装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007143995A JP4734291B2 (ja) 2007-05-30 2007-05-30 トナー搬送ローラ及びそれを用いた画像形成装置
JP2007-143995 2007-05-30

Publications (1)

Publication Number Publication Date
WO2008146925A1 true WO2008146925A1 (ja) 2008-12-04

Family

ID=40075155

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060075 WO2008146925A1 (ja) 2007-05-30 2008-05-30 トナー搬送ローラ及びそれを用いた画像形成装置

Country Status (4)

Country Link
US (1) US9563154B2 (ja)
JP (1) JP4734291B2 (ja)
CN (1) CN101681141B (ja)
WO (1) WO2008146925A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010005058A1 (ja) * 2008-07-10 2010-01-14 株式会社ブリヂストン 荷電制御されたウレタンフォームおよびそれを用いたトナー搬送ローラ

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101429013B1 (ko) * 2007-07-02 2014-08-11 삼성전자주식회사 도전성 전사 롤러의 제조방법, 이로부터 제조된 전사롤러및 이를 포함하는 화상형성장치
JP5843744B2 (ja) * 2011-10-31 2016-01-13 キヤノン株式会社 現像剤担持体及びその製造方法、並びに現像装置
CN103890662B (zh) * 2011-10-31 2017-03-29 佳能株式会社 显影剂承载构件、其制造方法和显影装置
ITUB20159724A1 (it) * 2015-12-22 2017-06-22 Consiglio Nazionale Ricerche Processo di funzionalizzazione di un materiale poroso, materiale poroso cosi ottenuto e suoi impieghi

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184857A (ja) * 1997-09-03 1999-03-30 Matsushita Electric Ind Co Ltd 画像形成装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4618241A (en) * 1981-07-27 1986-10-21 Xerox Corporation Apparatus, process for charging toner particles
US4764841A (en) * 1984-12-14 1988-08-16 Xerox Corporation Toner charging apparatus with coated toner transport members
US5172169A (en) * 1990-04-09 1992-12-15 Ricoh Company, Ltd. Developer carrier of a developing device and a method of producing the same
JP3042061B2 (ja) * 1991-07-31 2000-05-15 東海ゴム工業株式会社 導電性ロール
US5434653A (en) * 1993-03-29 1995-07-18 Bridgestone Corporation Developing roller and apparatus
US5903808A (en) * 1995-10-02 1999-05-11 Bridgestone Corporation Developing roller and developing apparatus
JP3536598B2 (ja) 1997-07-17 2004-06-14 東海ゴム工業株式会社 トナー供給ロール及びその製造方法
EP1061420B1 (en) * 1999-06-18 2007-03-21 Orient Chemical Industries, Ltd. Charge control agent, manufacturing process thereof and toner for developing electrostatic images
US6397032B1 (en) * 1999-09-10 2002-05-28 Canon Kabushiki Kaisha Image forming apparatus including a developer bearing member having multiple layers
JP2001337528A (ja) * 2000-05-29 2001-12-07 Fujitsu Ltd 現像装置に使用される現像ローラ及びブレード、当該現像ローラ及びブレードを有する現像装置及び画像形成装置
CN100338534C (zh) * 2002-01-24 2007-09-19 日东工业株式会社 色粉供应辊
DE602004019466D1 (de) * 2003-04-07 2009-04-02 Canon Kk Magnetischer Toner
KR100644667B1 (ko) * 2004-12-18 2006-11-10 삼성전자주식회사 도전성 토너 공급롤러, 그 제조방법, 및 이를 포함하는전자사진 화상형성장치
KR100739695B1 (ko) * 2005-02-16 2007-07-13 삼성전자주식회사 튜브형 롤러, 그 제조방법, 및 이를 포함하는 전자사진 화상형성장치
DE112008004059B4 (de) * 2008-10-29 2020-08-20 Kao Corporation Elektrofotographischer Toner, Harzbindemittel dafür und Verfahren zu seiner Herstellung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184857A (ja) * 1997-09-03 1999-03-30 Matsushita Electric Ind Co Ltd 画像形成装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010005058A1 (ja) * 2008-07-10 2010-01-14 株式会社ブリヂストン 荷電制御されたウレタンフォームおよびそれを用いたトナー搬送ローラ
US9316958B2 (en) 2008-07-10 2016-04-19 Bridgestone Corporation Charge-controlled polyurethane foam and toner-conveying roller using the same

Also Published As

Publication number Publication date
CN101681141A (zh) 2010-03-24
US20100158579A1 (en) 2010-06-24
US9563154B2 (en) 2017-02-07
JP4734291B2 (ja) 2011-07-27
CN101681141B (zh) 2012-06-27
JP2008299006A (ja) 2008-12-11

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