DE69009527D1 - Aufladeelement, elektrofotographisches Gerät und Aufladeverfahren, das dieses Element verwendet. - Google Patents
Aufladeelement, elektrofotographisches Gerät und Aufladeverfahren, das dieses Element verwendet.Info
- Publication number
- DE69009527D1 DE69009527D1 DE69009527T DE69009527T DE69009527D1 DE 69009527 D1 DE69009527 D1 DE 69009527D1 DE 69009527 T DE69009527 T DE 69009527T DE 69009527 T DE69009527 T DE 69009527T DE 69009527 D1 DE69009527 D1 DE 69009527D1
- Authority
- DE
- Germany
- Prior art keywords
- charging
- electrophotographic device
- charging method
- electrophotographic
- charging element
- 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
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
- G03G15/02—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/906—Roll or coil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/001—Electric or magnetic imagery, e.g., xerography, electrography, magnetography, etc. Process, composition, or product
- Y10S430/102—Electrically charging radiation-conductive surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1051623A JP2860404B2 (ja) | 1989-03-03 | 1989-03-03 | 帯電部材および該帯電部材を有する電子写真装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69009527D1 true DE69009527D1 (de) | 1994-07-14 |
DE69009527T2 DE69009527T2 (de) | 1994-10-13 |
Family
ID=12891997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69009527T Expired - Fee Related DE69009527T2 (de) | 1989-03-03 | 1990-03-01 | Aufladeelement, elektrofotographisches Gerät und Aufladeverfahren, das dieses Element verwendet. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5669047A (de) |
EP (1) | EP0385462B1 (de) |
JP (1) | JP2860404B2 (de) |
DE (1) | DE69009527T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69220313T2 (de) * | 1991-09-27 | 1998-01-08 | Bridgestone Corp | Kontaktaufladegerät und Verfahren |
US5786091A (en) * | 1991-12-02 | 1998-07-28 | Ricoh Company, Ltd. | Charge roller for an image forming apparatus |
JP2574107B2 (ja) * | 1991-12-02 | 1997-01-22 | 株式会社リコー | 帯電ローラ及びその製造方法,及び帯電ローラを用いた画像形成装置及びその帯電装置 |
DE4244917C2 (de) * | 1991-12-02 | 2000-05-18 | Ricoh Kk | Ladevorrichtung zum Laden eines photoleitfähigen Elements und Verfahren zum Herstellen der Ladevorrichtung |
JP3091003B2 (ja) * | 1991-12-25 | 2000-09-25 | ミノルタ株式会社 | 接触帯電装置 |
JP3400054B2 (ja) * | 1993-05-31 | 2003-04-28 | 株式会社リコー | 画像形成装置 |
CN1049745C (zh) * | 1993-05-31 | 2000-02-23 | 株式会社理光 | 辊筒充电装置和采用该装置的图像形成装置 |
JP2833458B2 (ja) * | 1993-06-04 | 1998-12-09 | 株式会社ブリヂストン | 導電部材の運転方法及び帯電装置 |
EP0708381B1 (de) * | 1994-10-18 | 2002-01-30 | Canon Kabushiki Kaisha | Aufladungselement, Verfahren zur Herstellung eines Aufladungselements, und Arbeitseinheit mit diesem Aufladungselement |
JPH0980866A (ja) * | 1995-09-08 | 1997-03-28 | Ricoh Co Ltd | 帯電部材およびそれを用いた帯電装置 |
US6381432B1 (en) * | 1998-12-16 | 2002-04-30 | Brother Kogyo Kabushiki Kaisha | Charging device having a toner remover |
US6352771B1 (en) * | 1999-02-24 | 2002-03-05 | Mearthane Products Corporation | Conductive urethane roller |
US7342068B2 (en) * | 2003-11-18 | 2008-03-11 | Air Products And Chemicals, Inc. | Aqueous polyurethane dispersion and method for making and using same |
US7173805B2 (en) | 2004-07-20 | 2007-02-06 | Hewlett-Packard Development Company, L.P. | Polymer material |
JP5232357B2 (ja) * | 2005-08-11 | 2013-07-10 | 株式会社ブリヂストン | 導電性ローラ及びそれを備えた画像形成装置 |
JP5435201B2 (ja) | 2008-12-12 | 2014-03-05 | 株式会社リコー | 半導電性部材及びそれを有する現像ロール、帯電ロール、転写ベルト |
US9617453B2 (en) | 2009-12-14 | 2017-04-11 | Air Products And Chemicals, Inc. | Solvent free aqueous polyurethane dispersions and methods of making and using the same |
JP6784079B2 (ja) * | 2016-07-07 | 2020-11-11 | 富士ゼロックス株式会社 | 帯電部材、帯電装置、プロセスカートリッジ及び画像形成装置 |
JP6891065B2 (ja) | 2016-07-29 | 2021-06-18 | キヤノン株式会社 | 現像装置、電子写真プロセスカートリッジ及び電子写真画像形成装置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2980834A (en) * | 1956-04-26 | 1961-04-18 | Bruning Charles Co Inc | Charging of photo-conductive insulating material |
US3670203A (en) * | 1970-04-20 | 1972-06-13 | Eastman Kodak Co | Method of and apparatus for imparting an electrical charge to a web of film or paper or the like |
US3671806A (en) * | 1970-11-20 | 1972-06-20 | Eastman Kodak Co | Method of and apparatus for applying an electrical charge to a moving sheet of flexible material |
JPS5113661A (ja) * | 1974-07-18 | 1976-02-03 | Matsushita Electric Ind Co Ltd | Denkiengeihasami |
US3935517A (en) * | 1975-01-02 | 1976-01-27 | Xerox Corporation | Constant current charging device |
US4062812A (en) * | 1976-07-01 | 1977-12-13 | Xerox Corporation | Method for extending the functional life of polymers used in xerographic devices |
US4340659A (en) * | 1977-08-24 | 1982-07-20 | Allied Paper Incorporated | Electrostatic masters |
JPS5836893B2 (ja) * | 1978-06-07 | 1983-08-12 | 富士写真フイルム株式会社 | 写真感光材料 |
JPS56106302A (en) * | 1980-01-24 | 1981-08-24 | Matsushita Electric Ind Co Ltd | Electrode for conductive high molecular material |
JPS56104351A (en) * | 1980-01-25 | 1981-08-20 | Toshiba Corp | Charging device of electrophotographic copier |
US4309737A (en) * | 1980-08-27 | 1982-01-05 | Pitney Bowes Inc. | Charge roller system for an electrophotographic copier |
JPS57178267A (en) * | 1981-04-27 | 1982-11-02 | Fuji Xerox Co Ltd | Electrostatic charger for electrophotographic copier |
JPS5840566A (ja) * | 1981-09-03 | 1983-03-09 | Kinoshita Kenkyusho:Kk | 電子写真の接触帯電方法 |
JPS58139156A (ja) * | 1982-02-13 | 1983-08-18 | Canon Inc | 帯電方法 |
JPS58150975A (ja) * | 1982-03-03 | 1983-09-07 | Canon Inc | 摺擦帯電装置 |
JPS60166956A (ja) * | 1984-02-09 | 1985-08-30 | Canon Inc | 感光体及びそれを用いた画像形成方法 |
US4542095A (en) * | 1984-07-25 | 1985-09-17 | Eastman Kodak Company | Antistatic compositions comprising polymerized alkylene oxide and alkali metal salts and elements thereof |
US4582781A (en) * | 1984-08-01 | 1986-04-15 | Eastman Kodak Company | Antistatic compositions comprising polymerized oxyalkylene monomers and an inorganic tetrafluoroborate, perfluoroalkyl carboxylate, hexafluorophosphate or perfluoroalkylsulfonate salt |
US4851960A (en) * | 1986-12-15 | 1989-07-25 | Canon Kabushiki Kaisha | Charging device |
JP2743271B2 (ja) * | 1987-02-02 | 1998-04-22 | 株式会社リコー | 弾性ウレタンゴムロール |
JPH0830915B2 (ja) * | 1988-02-19 | 1996-03-27 | キヤノン株式会社 | 帯電部材、それを用いた帯電装置および電子写真装置 |
JPH02198470A (ja) * | 1989-01-28 | 1990-08-06 | Tokai Rubber Ind Ltd | 半導電性ロール |
US5110669A (en) * | 1989-09-28 | 1992-05-05 | The Dow Chemical Company | Conductive polymer laminates |
-
1989
- 1989-03-03 JP JP1051623A patent/JP2860404B2/ja not_active Expired - Fee Related
-
1990
- 1990-03-01 EP EP90103984A patent/EP0385462B1/de not_active Expired - Lifetime
- 1990-03-01 DE DE69009527T patent/DE69009527T2/de not_active Expired - Fee Related
-
1995
- 1995-06-05 US US08/465,577 patent/US5669047A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02230267A (ja) | 1990-09-12 |
EP0385462A2 (de) | 1990-09-05 |
EP0385462B1 (de) | 1994-06-08 |
DE69009527T2 (de) | 1994-10-13 |
JP2860404B2 (ja) | 1999-02-24 |
EP0385462A3 (de) | 1992-05-20 |
US5669047A (en) | 1997-09-16 |
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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 |