JP7143137B2 - 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 - Google Patents
電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 Download PDFInfo
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- JP7143137B2 JP7143137B2 JP2018144377A JP2018144377A JP7143137B2 JP 7143137 B2 JP7143137 B2 JP 7143137B2 JP 2018144377 A JP2018144377 A JP 2018144377A JP 2018144377 A JP2018144377 A JP 2018144377A JP 7143137 B2 JP7143137 B2 JP 7143137B2
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- electrophotographic
- conductive
- toner
- conductive layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
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- 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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
-
- 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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0818—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the structure of the donor member, e.g. surface properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2559/00—Photographic equipment or accessories
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electrophotography Configuration And Component (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018144377A JP7143137B2 (ja) | 2018-07-31 | 2018-07-31 | 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
| US16/526,125 US11465383B2 (en) | 2018-07-31 | 2019-07-30 | Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus |
| EP19189004.5A EP3605240B1 (en) | 2018-07-31 | 2019-07-30 | Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus |
| CN201910694224.XA CN110780559B (zh) | 2018-07-31 | 2019-07-30 | 电子照相用构件、处理盒和电子照相图像形成设备 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018144377A JP7143137B2 (ja) | 2018-07-31 | 2018-07-31 | 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020020959A JP2020020959A (ja) | 2020-02-06 |
| JP2020020959A5 JP2020020959A5 (enExample) | 2021-08-26 |
| JP7143137B2 true JP7143137B2 (ja) | 2022-09-28 |
Family
ID=67539229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018144377A Active JP7143137B2 (ja) | 2018-07-31 | 2018-07-31 | 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11465383B2 (enExample) |
| EP (1) | EP3605240B1 (enExample) |
| JP (1) | JP7143137B2 (enExample) |
| CN (1) | CN110780559B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6463534B1 (ja) | 2017-09-11 | 2019-02-06 | キヤノン株式会社 | 現像剤担持体、プロセスカートリッジおよび電子写真装置 |
| JP7143137B2 (ja) * | 2018-07-31 | 2022-09-28 | キヤノン株式会社 | 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
| US10732538B2 (en) | 2018-11-26 | 2020-08-04 | Canon Kabushiki Kaisha | Developing member, process cartridge, and electrophotographic image forming apparatus |
| US10705449B2 (en) | 2018-11-30 | 2020-07-07 | Canon Kabushiki Kaisha | Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus |
| US10942471B2 (en) | 2019-03-29 | 2021-03-09 | Canon Kabushiki Kaisha | Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus |
| WO2021079917A1 (ja) | 2019-10-23 | 2021-04-29 | 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 |
| JP7621773B2 (ja) | 2019-11-22 | 2025-01-27 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジおよび電子写真画像形成装置 |
| CN114265296A (zh) * | 2021-12-15 | 2022-04-01 | 珠海天威飞马打印耗材有限公司 | 一种电晕充电的处理盒及电子成像设备 |
| US12366816B2 (en) | 2022-06-29 | 2025-07-22 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge, and electrophotographic image forming apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012042574A (ja) | 2010-08-16 | 2012-03-01 | Shin Etsu Polymer Co Ltd | 現像ローラ、現像装置及び画像形成装置 |
| JP2015041084A (ja) | 2013-08-23 | 2015-03-02 | キヤノン株式会社 | 現像装置、プロセスカートリッジ、画像形成装置 |
| JP2017015800A (ja) | 2015-06-29 | 2017-01-19 | 住友理工株式会社 | 電子写真機器用導電性部材 |
Family Cites Families (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2627675B2 (ja) * | 1990-04-05 | 1997-07-09 | 株式会社リコー | 現像装置 |
| US5239344A (en) * | 1991-01-16 | 1993-08-24 | Ricoh Company, Ltd. | Developing roller having insulating and conductive areas |
| JP3272056B2 (ja) | 1992-10-15 | 2002-04-08 | 株式会社リコー | 現像装置 |
| JPH07160113A (ja) * | 1993-12-03 | 1995-06-23 | Ricoh Co Ltd | トナー担持体及びその製造方法 |
| JPH08286497A (ja) * | 1995-04-15 | 1996-11-01 | Ricoh Co Ltd | トナー担持体及びその製造方法 |
| JP2006259021A (ja) * | 2005-03-16 | 2006-09-28 | Ricoh Co Ltd | 画像形成装置 |
| US7727134B2 (en) | 2005-11-10 | 2010-06-01 | Canon Kabushiki Tokyo | Developing roller, process for its production, developing assembly and image forming apparatus |
| JP5207682B2 (ja) | 2006-09-29 | 2013-06-12 | キヤノン株式会社 | 現像部材及び電子写真画像形成装置 |
| CN101523304B (zh) | 2006-10-06 | 2012-03-07 | 佳能株式会社 | 显影辊、使用该显影辊的显影设备和图像形成设备 |
| JP4144899B1 (ja) | 2007-01-22 | 2008-09-03 | キヤノン株式会社 | 再生弾性ローラの製造方法 |
| JP4950687B2 (ja) | 2007-02-08 | 2012-06-13 | キヤノン株式会社 | 現像装置、プロセスカートリッジ及び画像形成装置 |
| EP2244132B1 (en) | 2008-02-07 | 2016-12-21 | Canon Kabushiki Kaisha | Developing member for electrophotography, process for producing the developing member, process cartridge for electrophotography, and image forming apparatus for electrophotography |
| EP2287675B1 (en) | 2008-05-30 | 2014-10-01 | Canon Kabushiki Kaisha | Development roller, method for manufacturing thereof, process cartridge, and electrophotographic image forming device |
| JP5365180B2 (ja) | 2008-12-24 | 2013-12-11 | 株式会社リコー | 現像ローラ、現像装置、プロセスカートリッジ及び画像形成装置 |
| KR101507666B1 (ko) | 2010-09-30 | 2015-03-31 | 캐논 가부시끼가이샤 | 재생 탄성 롤러의 제조 방법 |
| JP5253550B2 (ja) | 2011-08-25 | 2013-07-31 | キヤノン株式会社 | 現像部材とその製造方法、および、電子写真画像形成装置 |
| JP5972148B2 (ja) | 2011-12-09 | 2016-08-17 | キヤノン株式会社 | 現像部材および電子写真装置 |
| JP5812837B2 (ja) | 2011-12-09 | 2015-11-17 | キヤノン株式会社 | 導電性部材、プロセスカートリッジ、および電子写真装置 |
| JP5236111B1 (ja) | 2012-02-17 | 2013-07-17 | キヤノン株式会社 | 現像部材、プロセスカートリッジ、および電子写真画像形成装置 |
| US9008556B2 (en) * | 2012-03-15 | 2015-04-14 | Ricoh Company, Ltd. | Development device and image forming apparatus and process unit incorporating same |
| JP5600719B2 (ja) | 2012-06-27 | 2014-10-01 | キヤノン株式会社 | 現像部材、プロセスカートリッジおよび電子写真装置 |
| JP5230838B1 (ja) | 2012-06-27 | 2013-07-10 | キヤノン株式会社 | 現像装置、および電子写真画像形成装置 |
| US8768227B2 (en) | 2012-09-07 | 2014-07-01 | Canon Kabushiki Kaisha | Developing member including elastic member containing cured product of addition-curing silicone rubber mixture, processing cartridge including the developing member, and electrophotographic apparatus including the developing member |
| WO2014081046A1 (ja) * | 2012-11-21 | 2014-05-30 | キヤノン株式会社 | 画像形成装置及び電子写真感光体 |
| US9977353B2 (en) | 2014-05-15 | 2018-05-22 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge and electrophotographic image forming apparatus |
| JP6587418B2 (ja) | 2014-05-15 | 2019-10-09 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジ及び電子写真装置 |
| JP6305202B2 (ja) | 2014-05-16 | 2018-04-04 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジ及び電子写真装置 |
| JP6486188B2 (ja) | 2014-05-16 | 2019-03-20 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジ及び電子写真装置 |
| JP6346494B2 (ja) | 2014-05-16 | 2018-06-20 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジおよび電子写真装置 |
| US20150331346A1 (en) | 2014-05-16 | 2015-11-19 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge, and electrophotographic apparatus |
| US9811009B2 (en) | 2014-05-16 | 2017-11-07 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge and electrophotographic apparatus |
| US9625854B2 (en) | 2014-06-05 | 2017-04-18 | Canon Kabushiki Kaisha | Developer carrying member, electrophotographic process cartridge, and electrophotographic image forming apparatus |
| JP6666031B2 (ja) | 2014-12-26 | 2020-03-13 | キヤノン株式会社 | 電子写真用部材、その製造方法、プロセスカートリッジおよび電子写真装置 |
| JP6415421B2 (ja) | 2014-12-26 | 2018-10-31 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジおよび電子写真装置 |
| US9482986B2 (en) * | 2015-02-27 | 2016-11-01 | Canon Kabushiki Kaisha | Member for electrophotography, process cartridge, and electrophotographic image forming apparatus |
| US20160363881A1 (en) | 2015-06-12 | 2016-12-15 | Canon Kabushiki Kaisha | Electro-conductive member, process cartridge and electrophotographic apparatus |
| US10197930B2 (en) | 2015-08-31 | 2019-02-05 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge, and electrophotographic apparatus |
| JP6860319B2 (ja) | 2015-10-23 | 2021-04-14 | キヤノン株式会社 | 現像部材、プロセスカートリッジおよび電子写真画像形成装置 |
| JP6590652B2 (ja) | 2015-11-16 | 2019-10-16 | キヤノン株式会社 | 現像部材、その製造方法、プロセスカートリッジおよび電子写真画像形成装置 |
| JP6806579B2 (ja) | 2016-02-05 | 2021-01-06 | キヤノン株式会社 | 電子写真用部材、その製造方法、プロセスカートリッジおよび電子写真装置 |
| JP6815889B2 (ja) * | 2016-02-26 | 2021-01-20 | キヤノン株式会社 | 現像ローラ、プロセスカートリッジおよび電子写真画像形成装置 |
| JP6669394B2 (ja) * | 2016-03-25 | 2020-03-18 | キヤノン株式会社 | 現像剤担持体、プロセスカートリッジ及び電子写真画像形成装置 |
| CN107239021B (zh) | 2016-03-29 | 2021-03-16 | 佳能株式会社 | 显影装置和图像形成装置 |
| US9952531B2 (en) | 2016-04-28 | 2018-04-24 | Canon Kabushiki Kaisha | Developing member having alumina particles exposed within protrusions |
| US10331054B2 (en) | 2016-05-11 | 2019-06-25 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge and electrophotographic image forming apparatus |
| JP6862276B2 (ja) | 2016-07-08 | 2021-04-21 | キヤノン株式会社 | 電子写真用部材、プロセスカートリッジおよび電子写真装置 |
| 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 |
| US10310447B2 (en) | 2017-07-12 | 2019-06-04 | Canon Kabushiki Kaisha | Electrophotographic member, process cartridge, and electrophotographic image forming apparatus |
| JP7057154B2 (ja) | 2018-02-26 | 2022-04-19 | キヤノン株式会社 | 現像部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
| US10935903B2 (en) | 2018-04-19 | 2021-03-02 | Canon Kabushiki Kaisha | Developing roller, process cartridge and image forming apparatus |
| JP7158943B2 (ja) * | 2018-07-31 | 2022-10-24 | キヤノン株式会社 | 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
| JP7286454B2 (ja) * | 2018-07-31 | 2023-06-05 | キヤノン株式会社 | 電子写真用部材、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 |
| JP7143137B2 (ja) * | 2018-07-31 | 2022-09-28 | キヤノン株式会社 | 電子写真用部材、電子写真プロセスカートリッジおよび電子写真画像形成装置 |
-
2018
- 2018-07-31 JP JP2018144377A patent/JP7143137B2/ja active Active
-
2019
- 2019-07-30 EP EP19189004.5A patent/EP3605240B1/en active Active
- 2019-07-30 CN CN201910694224.XA patent/CN110780559B/zh active Active
- 2019-07-30 US US16/526,125 patent/US11465383B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012042574A (ja) | 2010-08-16 | 2012-03-01 | Shin Etsu Polymer Co Ltd | 現像ローラ、現像装置及び画像形成装置 |
| JP2015041084A (ja) | 2013-08-23 | 2015-03-02 | キヤノン株式会社 | 現像装置、プロセスカートリッジ、画像形成装置 |
| JP2017015800A (ja) | 2015-06-29 | 2017-01-19 | 住友理工株式会社 | 電子写真機器用導電性部材 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3605240B1 (en) | 2022-04-20 |
| JP2020020959A (ja) | 2020-02-06 |
| US11465383B2 (en) | 2022-10-11 |
| EP3605240A1 (en) | 2020-02-05 |
| CN110780559B (zh) | 2022-06-21 |
| CN110780559A (zh) | 2020-02-11 |
| US20200041921A1 (en) | 2020-02-06 |
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