EP0810486A3 - Rouleau de chargement pour un appareil de formation d'images - Google Patents

Rouleau de chargement pour un appareil de formation d'images Download PDF

Info

Publication number: EP0810486A3
Authority: EP; European Patent Office
Prior art keywords: forming apparatus; image forming; charging roller; surface layer; elastic layer
Prior art date: 1993-01-13
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

EP97107365A

Other languages

German (de)

English (en)

Other versions

EP0810486B1 (fr

EP0810486A2 (fr

Inventor

Kazuo Nojima

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.)

1993-01-13

Filing date

1994-01-13

Publication date

1998-04-15

1994-01-13 Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd

1997-12-03 Publication of EP0810486A2 publication Critical patent/EP0810486A2/fr

1998-04-15 Publication of EP0810486A3 publication Critical patent/EP0810486A3/fr

2003-12-17 Application granted granted Critical

2003-12-17 Publication of EP0810486B1 publication Critical patent/EP0810486B1/fr

2014-01-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000010410 layer Substances 0.000 abstract 2
239000002344 surface layer Substances 0.000 abstract 2
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
229920005558 epichlorohydrin rubber Polymers 0.000 abstract 1
229910052731 fluorine Inorganic materials 0.000 abstract 1
239000011737 fluorine Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000002245 particle Substances 0.000 abstract 1
239000011347 resin Substances 0.000 abstract 1
229920005989 resin Polymers 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1

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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
General Physics & Mathematics (AREA)
Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Delivering By Means Of Belts And Rollers (AREA)
Sheets, Magazines, And Separation Thereof (AREA)
Rolls And Other Rotary Bodies (AREA)

EP97107365A 1993-01-13 1994-01-13 Rouleau de chargement pour un appareil de formation d'images Expired - Lifetime EP0810486B1 (fr)

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
JP367593		1993-01-13
JP3675/93		1993-01-13
JP367593		1993-01-13
JP27059093A JPH06266206A (ja)	1993-01-13	1993-10-28	帯電ローラ
JP27059093		1993-10-28
JP270590/93		1993-10-28
EP19940100436 EP0606907B1 (fr)	1993-01-13	1994-01-13	Rouleau de chargement pour un appareil de formation d'images

Related Parent Applications (2)

Application Number	Title	Priority Date	Filing Date
EP94100436.8 Division		1994-01-13
EP19940100436 Division EP0606907B1 (fr)	1993-01-13	1994-01-13	Rouleau de chargement pour un appareil de formation d'images

Publications (3)

Publication Number	Publication Date
EP0810486A2 EP0810486A2 (fr)	1997-12-03
EP0810486A3 true EP0810486A3 (fr)	1998-04-15
EP0810486B1 EP0810486B1 (fr)	2003-12-17

Family

ID=26337309

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP97107365A Expired - Lifetime EP0810486B1 (fr)	1993-01-13	1994-01-13	Rouleau de chargement pour un appareil de formation d'images
EP19940100436 Expired - Lifetime EP0606907B1 (fr)	1993-01-13	1994-01-13	Rouleau de chargement pour un appareil de formation d'images

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP19940100436 Expired - Lifetime EP0606907B1 (fr)	1993-01-13	1994-01-13	Rouleau de chargement pour un appareil de formation d'images

Country Status (4)

Country	Link
EP (2)	EP0810486B1 (fr)
JP (1)	JPH06266206A (fr)
DE (2)	DE69417931T2 (fr)
ES (2)	ES2131593T3 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5610795A (en) *	1994-08-01	1997-03-11	Xerox Corporation	Self biasing charging member
DE69525214T2 (de)	1994-10-18	2002-07-11	Canon K.K., Tokio/Tokyo	Verfahren zur Wiederherstellung eines Aufladungselements
JP3346970B2 (ja) *	1994-11-22	2002-11-18	日本ゼオン株式会社	ゴムロール、ゴム組成物、及び画像形成装置
US5625858A (en) *	1995-01-18	1997-04-29	Canon Kabushiki Kaisha	Contact charging member, process for producing same and electrophotographic apparatus using same
JP3028057B2 (ja) *	1996-02-21	2000-04-04	富士ゼロックス株式会社	帯電部材
US5849399A (en) *	1996-04-19	1998-12-15	Xerox Corporation	Bias transfer members with fluorinated carbon filled fluoroelastomer outer layer
US6141516A (en) *	1996-06-28	2000-10-31	Xerox Corporation	Fluorinated carbon filled fluoroelastomer outer layer
JP3598718B2 (ja) *	1997-03-25	2004-12-08	東海ゴム工業株式会社	半導電性ロール
US6558781B1 (en)	1999-07-12	2003-05-06	Canon Kabushiki Kaisha	Conductive roller, process cartridge and image forming apparatus
US6203855B1 (en)	1999-08-13	2001-03-20	Xerox Corporation	Process for preparing nonbleeding fluorinated carbon and zinc oxide filler layer for bias charging member
US6620476B2 (en)	1999-08-13	2003-09-16	Xerox Corporation	Nonbleeding fluorinated carbon and zinc oxide filled layer for bias charging member
EP1156388A1 (fr) *	2000-05-16	2001-11-21	Hokushin Corporation	Elément de chargement
US8483591B2 (en)	2009-08-27	2013-07-09	Xerox Corporation	Bias charging overcoat
JP5471176B2 (ja) *	2009-08-28	2014-04-16	富士ゼロックス株式会社	導電性ローラ用組成物、導電性ローラ、帯電装置、画像形成装置およびプロセスカートリッジならびに導電性ローラの製造方法
US8649704B2 (en)	2009-11-20	2014-02-11	Xerox Corporation	Bias charging overcoat
US8768219B2 (en)	2009-11-20	2014-07-01	Xerox Corporation	Bias charging overcoat
US9442451B2 (en)	2014-11-28	2016-09-13	Canon Kabushiki Kaisha	Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus
US10416588B2 (en)	2016-10-31	2019-09-17	Canon Kabushiki Kaisha	Charging member, process cartridge, electrophotographic image forming apparatus, and method for manufacturing charging member

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0406834A2 (fr) *	1989-07-05	1991-01-09	Canon Kabushiki Kaisha	Membre de charge et appareil électrophotographique l'utilisant
EP0417801A2 (fr) *	1989-09-14	1991-03-20	Canon Kabushiki Kaisha	Appareil de formation d'images comprenant des moyens de chargement
JPH0477760A (ja) *	1990-07-20	1992-03-11	Canon Inc	帯電用部材
JPH04299355A (ja) *	1991-03-28	1992-10-22	Canon Inc	帯電用部材
JPH04311972A (ja) *	1991-04-10	1992-11-04	Ricoh Co Ltd	半導電性ローラ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4727453A (en) *	1986-12-22	1988-02-23	Xerox Corporation	Alternating current inductive charging of a photoreceptor
US5270768A (en) *	1991-04-24	1993-12-14	Canon Kabushiki Kaisha	Charging member containing reduced titanium oxide and device using same

1993
- 1993-10-28 JP JP27059093A patent/JPH06266206A/ja active Pending
1994
- 1994-01-13 EP EP97107365A patent/EP0810486B1/fr not_active Expired - Lifetime
- 1994-01-13 DE DE1994617931 patent/DE69417931T2/de not_active Expired - Lifetime
- 1994-01-13 EP EP19940100436 patent/EP0606907B1/fr not_active Expired - Lifetime
- 1994-01-13 ES ES94100436T patent/ES2131593T3/es not_active Expired - Lifetime
- 1994-01-13 DE DE1994633430 patent/DE69433430T2/de not_active Expired - Lifetime
- 1994-01-13 ES ES97107365T patent/ES2208783T3/es not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0406834A2 (fr) *	1989-07-05	1991-01-09	Canon Kabushiki Kaisha	Membre de charge et appareil électrophotographique l'utilisant
EP0417801A2 (fr) *	1989-09-14	1991-03-20	Canon Kabushiki Kaisha	Appareil de formation d'images comprenant des moyens de chargement
JPH0477760A (ja) *	1990-07-20	1992-03-11	Canon Inc	帯電用部材
JPH04299355A (ja) *	1991-03-28	1992-10-22	Canon Inc	帯電用部材
JPH04311972A (ja) *	1991-04-10	1992-11-04	Ricoh Co Ltd	半導電性ローラ

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 9251, Derwent World Patents Index; Class A89, AN 92-418341, XP002055371 *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 292 (P - 1377) 29 June 1992 (1992-06-29) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 112 (P - 1498) 8 March 1993 (1993-03-08) *

Also Published As

Publication number	Publication date
DE69417931T2 (de)	1999-09-16
JPH06266206A (ja)	1994-09-22
DE69433430T2 (de)	2004-10-07
EP0810486B1 (fr)	2003-12-17
ES2208783T3 (es)	2004-06-16
EP0810486A2 (fr)	1997-12-03
ES2131593T3 (es)	1999-08-01
EP0606907A1 (fr)	1994-07-20
EP0606907B1 (fr)	1999-04-21
DE69417931D1 (de)	1999-05-27
DE69433430D1 (de)	2004-01-29

Legal Events

Date	Code	Title	Description
1997-10-17	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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2003-10-31	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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Publication	Publication Date	Title
EP0810486A3 (fr)	1998-04-15	Rouleau de chargement pour un appareil de formation d'images
EP0682296A3 (fr)	1998-08-05	Dispositif de développement pour un appareil de formation d'images
EP0863447A3 (fr)	1998-09-16	Dispositif de chargement, procédé de chargement, cartouche et l'appareil de formation d'images
JPS5767951A (en)	1982-04-24	Electric charger
EP0723208A3 (fr)	1998-04-08	Elément de chargement par contact, procédé de fabrication de cet élément et appareil électrographique l'utilisant
KR900014950A (ko)	1990-10-25	현상방법 및 현상장치
EP0400571A3 (fr)	1992-05-13	Appareil d'enregistrement
EP0844536A3 (fr)	2000-10-04	Procédé de formation d'images
EP1016933A3 (fr)	2002-10-16	Véhiculeur pour l'électrophotographie, procédé de fabrication de véhiculeur et révélateur l'utilisant
JPS5723975A (en)	1982-02-08	Intermediate copying body
DE3473185D1 (en)	1988-09-08	Liquid developer for development of electrostatic images
EP0917015A3 (fr)	2000-05-17	Revêtement conducteur pour lame de chargement dans un procédé d'impression électrostatique
EP0446034A3 (fr)	1992-12-30	Appareil de développement
EP1031888A3 (fr)	2004-02-04	Elément de chargement, cartouche de traitement et appareil de production d' images
EP0387815A3 (fr)	1992-05-13	Elément de chargement et appareil électrophotographique l'utilisant
EP1207430A3 (fr)	2003-10-22	Appareil de formation d'images et méthode de formation d'images l'utilisant
EP0841595A3 (fr)	1998-12-09	Elément photosensible, appareil électrophotographique, et cartouche de traitement
EP0884653A3 (fr)	1999-01-20	Procédé de formation d'images, appareil de formation d'images et cartouche de traitement
EP0735438A3 (fr)	1998-11-25	Elément de chargement, unité de traitement et appareil électrophotographique utilisant cet élément de chargement
EP0790535A3 (fr)	1999-04-14	Dispositif de chargement et appareil électrophotographique
EP0794473A3 (fr)	2000-11-22	Appareil de formation d'images
JPS6252867B2 (fr)	1987-11-07
US6483034B1 (en)	2002-11-19	Blade
JPS57119366A (en)	1982-07-24	Developing method
EP0851314A3 (fr)	2000-09-27	Appareil de formation d'images