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1. 发明专利

JP2015004963A トナー収容容器、及び画像形成装置有权
标题翻译：托盘存储容器和图像形成装置
公开(公告)号：JP2015004963A
公开(公告)日：2015-01-08
申请号：JP2014096723
申请日：2014-05-08
申请人：株式会社リコー , Ricoh Co Ltd
发明人： KOJIMA TOMOYUKI , AWAMURA JUNICHI , NAGATOMO NOBUYASU , SAKASHITA SHINGO , MURAYAMA TOMOKI , FUKUDA MASAYA , HOSOKAWA HIROSHI , KATO SHUNJI , TAMAKI SHINJI , IKEGUCHI HIROSHI , KIKUCHI KENJI , SUZUKI MICHIHARU
IPC分类号： G03G15/08 , G03G9/08 , G03G9/087
CPC分类号： G03G15/0872
摘要：【課題】トナー残量が少なくなっても現像装置へのトナーの補給が可能なトナー収容容器を提供する。【解決手段】トナー補給装置60に装着可能であり、トナー補給装置60に供給するトナーが収容された容器本体33と、容器本体33の内部に配置され、トナーを容器本体33における長手方向の一端側から他端側に搬送する螺旋状突起302と、容器開口部305に配置され、トナー補給装置60に固定された搬送ノズル611を受け入れ可能なノズル受入口331と、螺旋状突起302によって搬送されたトナーを搬送ノズル611のノズル開口610に向けて移動させる汲み上げ部304とを備える。【選択図】図1
摘要翻译：要解决的问题：提供即使当调色剂的剩余量减少时也可以向显影装置供应调色剂的调色剂存储容器。解决方案：调色剂存储容器32包括可附接到调色剂供应装置的容器主体33 并且容纳要供应到调色剂供应装置60的调色剂，设置在容器主体33内部并沿着容器主体33的纵向从一端传送到另一端的调色剂的螺旋形突起302，接收端口331，其布置在容器开口305处并且可以接收固定到调色剂供应装置60的输送喷嘴611;以及泵送部304，其将由螺旋突起302输送的调色剂朝向输送喷嘴的喷嘴开口610移动 611。

2. 发明专利

JP2014228648A トナー収容容器、及び画像形成装置有权
标题翻译：托盘存储容器和图像形成装置
公开(公告)号：JP2014228648A
公开(公告)日：2014-12-08
申请号：JP2013107334
申请日：2013-05-21
申请人：株式会社リコー , Ricoh Co Ltd
发明人： NAGATOMO NOBUYASU , AWAMURA JUNICHI , KOJIMA TOMOYUKI , SAKASHITA SHINGO , MURAYAMA TOMOKI , FUKUDA MASAYA , HOSOKAWA HIROSHI , KATO SHUNJI , TAMAKI SHINJI , IKEGUCHI HIROSHI , KIKUCHI KENJI , SUZUKI MICHIHARU
IPC分类号： G03G15/08 , G03G9/08
摘要：【課題】トナー残量が少なくなっても、現像装置へのトナーの補給が可能なトナー収容容器を提供すること。【解決手段】トナー搬送装置に供給するトナーが収容された容器本体と、トナーを容器本体における長手方向一端側から容器開口部が設けられた他端側に搬送する搬送部と、容器開口部に配置され、トナー搬送装置に固定された搬送管を受け入れ可能な管受入口と、トナーを搬送管のトナー受入口に向けて移動させる汲み上げ部とを備え、トナーに用いる外添剤は、無機微粒子を有し、無機微粒子の二次粒子径の小粒子側から50個数%目をDb50、10個数%目をDb10としたとき、Db50/Db10が1.1〜1.2であり、汲み上げ部が、容器本体内壁面から突出部に向かって伸びる汲み上げ壁面と、突出部に沿うように湾曲する湾曲部と、を有し、突出部が、湾曲部と搬送管のトナー受入口との間に存在すること。【選択図】図1
摘要翻译：要解决的问题：提供一种调色剂储存容器，即使当调色剂的剩余量减少时也允许向显影装置供应调色剂。解决方案：调色剂存储容器包括容纳主体以容纳向调色剂输送装置，将调色剂从容器主体的纵向方向的一端传送到设置有容器开口的另一端的输送单元，配置在容器开口处的容纳端口，固定到调色剂输送装置上的管，以及将调色剂朝向输送管的调色剂接收口移动的抽空单元。调色剂中使用的外用添加剂包括无机微粒，当无机微粒的二次粒子的直径的50％为Db50，第10数为Db10时，Db50 / Db10为1.1〜1.2，泵送单元包括从容器主体的内壁表面朝向突起延伸的泵送壁表面和沿着突起弯曲的弯曲部分; 并且突出物存在于输送管的弯曲部分和调色剂接收口之间。

3. 发明专利

JP2014194528A A full-color image forming apparatus 有权
标题翻译：全彩色图像形成装置
公开(公告)号：JP2014194528A
公开(公告)日：2014-10-09
申请号：JP2014019179
申请日：2014-02-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKASHITA SHINGO , AWAMURA JUNICHI , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , MURAYAMA TOMOKI , FUKUDA MASAYA
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087 , G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a full-color image forming apparatus that has good fixability even in a low-temperature area during image formation, suppresses the occurrence of abnormal images even after a long-term use, and has excellent image density stability and transfer stability.SOLUTION: A full-color image forming apparatus includes an electrostatic latent image carrier, charging means, exposing means for forming electrostatic latent images, developing means for sequentially developing the electrostatic latent images with a plurality of colors of toner to form a visible image, transfer means for transferring the visible image to a recording medium, and fixing means for fixing the transferred image. The plurality of colors of toner comprises toner base containing at least a binder resin and colorant, and an external additive; the external additive contains bonded particles comprising a plurality of primary particles bonded to one another; and when a storage elastic modulus at 100°C of the plurality of colors of toner measured by a rheometer is G'(100°C), the toner is sequentially transferred in ascending order of a value of the G'(100°C) from the recording medium side to be laminated in order on the recording medium.
摘要翻译：要解决的问题：为了提供即使在图像形成期间即使在低温区域中具有良好定影性的全色图像形成装置，也即使长期使用也抑制异常图像的发生，并且具有优异的图像密度稳定性和转印稳定性。解决方案：全色图像形成装置包括静电潜像载体，充电装置，用于形成静电潜像的曝光装置，用于以多种颜色的调色剂顺序显影静电潜像的显影装置，以形成可见光图像，用于将可见图像传送到记录介质的传送装置，以及用于固定传送的图像的固定装置。多种颜色的调色剂包括至少含有粘合剂树脂和着色剂的调色剂底物和外部添加剂; 外部添加剂含有包含彼此结合的多个一次粒子的粘合颗粒; 并且当通过流变仪测量的多种颜色的调色剂在100℃下的储能弹性模量为G'（100℃）时，调色剂以G'（100℃）值的升序顺序转印，从记录介质侧按顺序层叠在记录介质上。

4. 发明专利

JP2014178547A Toner for electrostatic charge image development, developer, and image forming apparatus 有权
标题翻译：静电充电图像开发，开发者和图像形成设备的调色剂
公开(公告)号：JP2014178547A
公开(公告)日：2014-09-25
申请号：JP2013053098
申请日：2013-03-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MURAYAMA TOMOKI , AWAMURA JUNICHI , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , SAKASHITA SHINGO
IPC分类号： G03G9/08 , C01B33/18 , G03G9/097 , G03G9/10 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development that suppresses deterioration of transferability, filming resistance, and toner fluidity, which is a concern in a super high-speed printing system, and stabilizes charging performance.SOLUTION: A toner for electrostatic charge image development includes a toner containing a binder resin, colorant, mold release agent, and charge control agent, and an external additive adhered on the surface of the toner. The charge control agent includes a layered inorganic mineral in which inter-layer ions are modified with organic ions; the external additive includes aspherical insulating inorganic particles having a secondary particle shape formed by a plurality of primary particles being fused with each other; and a relationship between a weight% (A) of the layered inorganic mineral and a weight% (B) of the aspherical insulating inorganic particles satisfies 1.3
摘要翻译：要解决的问题：提供一种用于静电荷图像显影的调色剂，其抑制超高速打印系统中的转印性，耐成膜性和调色剂流动性的劣化，并且使充电性能稳定。解决方案：用于静电荷图像显影包括含有粘合剂树脂，着色剂，脱模剂和电荷控制剂的调色剂和粘附在调色剂表面上的外部添加剂。电荷控制剂包括其中层间离子用有机离子改性的层状无机矿物; 外部添加剂包括由多个一次粒子彼此熔合形成的具有二次粒子形状的非球面绝缘无机粒子; 并且层状无机矿物的重量％（A）与非球面绝缘无机粒子的重量％（B）之间的关系满足1.3

5. 发明专利

JP2014164034A Toner for electrostatic charge image development, two-component developer, and image forming apparatus 有权
标题翻译：静电电荷图像开发用色调剂，双组分显影剂和图像形成装置
公开(公告)号：JP2014164034A
公开(公告)日：2014-09-08
申请号：JP2013033489
申请日：2013-02-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA TOMOYUKI , AWAMURA JUNICHI , NAGATOMO NOBUYASU , SAKASHITA SHINGO , MURAYAMA TOMOKI , FUKUDA MASAYA
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide toner having excellent fluidity and preservability without causing fixation and fixation filming, and exhibiting excellent charging characteristics, low-temperature fixability, and stress resistance, thereby forming a high-quality image for a long time.SOLUTION: An external additive including two or more kinds of silica particles having different volume average particle diameters are added on a surface of a toner base particle. The silica particle A having the maximum volume average particle diameter is an aspherical cohesion particle formed of a second particle formed by cohering a plurality of primary particles. The silica particle B having the minimum volume average particle diameter is a spherical particle formed of the primary particle. When the amounts of silica particles A and B added to 100 parts by mass of toner base particle 100 are Ma and Mb, Ma is 1-4 parts by mass and Mb is 0.5-3 parts by mass. The sum Xs of isolation rates of the silica particles A and B measured by free silica measurement based on ultrasonic vibration method is 5-20%, a ratio of number R30 of the free silica having a volume particle size of 30nm or less is 15-30 percent by number.
摘要翻译：要解决的问题：提供具有优异的流动性和保存性的调色剂，而不引起定影和定影，并且具有优异的充电特性，低温定影性和耐应力，从而长时间形成高质量的图像。在调色剂基础颗粒的表面上添加包含两种以上具有不同体积平均粒径的二氧化硅粒子的外部添加剂。具有最大体积平均粒径的二氧化硅粒子A是由通过粘结多个一次粒子而形成的第二粒子形成的非球面凝聚粒子。具有最小体积平均粒径的二氧化硅颗粒B是由初级颗粒形成的球形颗粒。当添加到100质量份调色剂基础颗粒100中的二氧化硅颗粒A和B的量为Ma和Mb时，Ma为1-4质量份，Mb为0.5-3质量份。通过基于超声波振动法的游离二氧化硅测定测定的二氧化硅粒子A和B的分离速度的总和为5-20％，体积粒径为30nm以下的游离二氧化硅的数量R30为15〜 30％的数量。

6. 发明专利

JP2013190647A Toner, two-component developer, and image forming apparatus 审中-公开
标题翻译：调色剂，双组分显影剂和图像形成装置
公开(公告)号：JP2013190647A
公开(公告)日：2013-09-26
申请号：JP2012057366
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA TOMOYUKI , NAGATOMO NOBUYASU , SATO SACHIKO , UCHINOKURA OSAMU , AWAMURA JUNICHI , OGAWA SATORU , HONDA TAKAHIRO , ITO DAISUKE , KUSAHARA TERUKI , WATANABE MASAKI , INOUE DAISUKE
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
CPC分类号： G03G9/0825 , G03G9/097 , G03G9/09708
摘要： PROBLEM TO BE SOLVED: To provide a toner that satisfies all of low-temperature fixability, heat-resistance storability, transferability, and a filming property even in a long period of use; developer using the toner; and an image forming apparatus.SOLUTION: A toner of the present invention contains toner base particles containing at least a binder resin and colorant, and at least an external additive. The external additive contains at least adhered particles; the adhered particles are non-spherical secondary particles formed by primary particles adhering to each other; and the particle size distribution index of the adhered particles is represented by the following formula (1), wherein, Dbrepresents the particle diameter of the adhered particles at a point when an accumulated value is 50 number%, when the particle diameter (nm) of the adhered particles is an abscissa, and the accumulated value (number%) of the adhered particles is an ordinate, and the accumulated distribution of the adhered particles is drawn from the small-particle side; and Dbrepresents the particle diameter of the adhered particles at a point when the accumulated value is 10 number%.
摘要翻译：要解决的问题：即使在长时间使用中也可提供满足低温定影性，耐热性保存性，转印性和成膜性全部的调色剂; 显影剂使用墨粉; 和图像形成装置。解决方案：本发明的调色剂含有至少含有粘合剂树脂和着色剂的调色剂基础颗粒和至少一种外部添加剂。外部添加剂至少含有粘附的颗粒; 粘附的颗粒是由一次颗粒彼此附着形成的非球形二次颗粒; 粘附粒子的粒径分布指数由下式（1）表示，其中，当累积值为50数量％时，Db表示粘附粒子的粒径，当粒径（nm）为附着粒子为横坐标，附着粒子的累计值（％）为纵坐标，附着粒子的累积分布从小粒子侧抽出; 并且Db表示在累积值为10数量％的点处的附着粒子的粒径。

7. 发明专利

JP2013101254A Developer, developing device and image forming apparatus 审中-公开
标题翻译：开发商，开发设备和图像形成设备
公开(公告)号：JP2013101254A
公开(公告)日：2013-05-23
申请号：JP2011245487
申请日：2011-11-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUE NATSUMI , OGAWA SATORU , UCHINO KURAMICHI , AWAMURA JUNICHI , HONDA TAKAHIRO , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , KUSAHARA TERUKI , INOUE DAISUKE , ITO DAISUKE , HOZUMI MAMORU , HIROHARA KIWAKO
IPC分类号： G03G9/087 , G03G9/08 , G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide developer that has a configuration capable of preventing uneven image density resulting from a non-uniform amount of held toner, which is caused by firm fixing of toner particles or firm fixing of toner to a developer carrier.SOLUTION: The developer comprises toner and carrier used for rendering an electrostatic latent image, formed on an image carrier, visible. During development, the developer is held on the surface of a rotatable developer carrier 81 opposite the image carrier. Additionally, the developer is conveyed toward the image carrier while it is contained in a napping part formed on the surface of the developer carrier by a plurality of rotatable magnets 82 whose rotation centers are made eccentric in the direction in which they approach the image carrier within the developer carrier 81. The developer contains at least, as a main constituent of binding resin composing the toner, non-crystalline and crystalline polyester resins, coloring agent and releasing agent. The developer including them is set to a hardness 2 to 20 N/mmmeasured by a minute hardness meter.
摘要翻译：要解决的问题：为了提供具有能够防止由于调色剂颗粒的牢固固定或将调色剂牢固地固定到显影剂载体而引起的不均匀量的保持的调色剂导致的不均匀图像密度的构造的显影剂。解决方案：显影剂包括用于渲染形成在图像载体上的静电潜像的可见的调色剂和载体。在显影期间，显影剂被保持在与图像载体相对的可旋转显影剂载体81的表面上。此外，当显影剂被容纳在形成在显影剂载体的表面上的起绒部分中时，显影剂被传送到图像载体，所述多个可旋转磁体82的旋转中心在它们接近图像载体的方向上偏心显影剂载体81.显影剂至少包含作为构成调色剂的粘合树脂的主要成分，非结晶和结晶聚酯树脂，着色剂和脱模剂。包含它们的显影剂被设定为由微量硬度计测量的2至20N / mm 2 的硬度。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012118504A Toner and developer for electrostatic charge image development 审中-公开
标题翻译：静电荷图像发展的调色剂和开发
公开(公告)号：JP2012118504A
公开(公告)日：2012-06-21
申请号：JP2011198227
申请日：2011-09-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HONDA TAKAHIRO , UCHINOKURA OSAMU , AWAMURA JUNICHI , OGAWA SATORU , KOJIMA TOMOYUKI , KUSAHARA TERUKI , INOUE DAISUKE , ITO DAISUKE , NAGATOMO NOBUYASU , WATANABE MASAKI
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0806 , G03G9/0821 , G03G9/0823 , G03G9/08786 , G03G9/08788 , G03G9/08791 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner and a developer for electrostatic charge image development which may prevent occurrence of a soft agglomerate causing an abnormal image in a developing device such as a black spot or a shooting star in toner containing at least a crystalline polyester and a noncrystalline polyester as a binder resin component.SOLUTION: A toner for electrostatic charge image development comprises a crystalline polyester resin, a noncrystalline polyester resin, a release agent and a coloring agent and has a glass transition temperature of 40°C or more and 60°C or less as measured by a differential scanning calorimeter (DSC) for the toner for electrostatic charge image development. The adhesive force between toner particles after storing the toner for electrostatic charge image development at 50°C is 1.4 mN or more and 2.2 mN or less.
摘要翻译：要解决的问题：提供一种用于静电荷图像显影的调色剂和显影剂，其可以防止在至少含有调色剂的调色剂中的诸如黑点或射星之类的显影装置中引起异常图像的发生，结晶聚酯和非结晶聚酯作为粘合剂树脂组分。解决方案：静电荷图像显影用调色剂包括结晶性聚酯树脂，非结晶性聚酯树脂，脱模剂和着色剂，玻璃化转变温度为40℃以上且60℃以下通过用于静电荷图像显影用调色剂的差示扫描量热计（DSC）。在存储用于50℃的静电荷图像显影的调色剂之后，调色剂颗粒之间的粘合力为1.4mN以上至2.2mN以下。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012008510A Toner, process cartridge, image forming method and production method of toner 有权
标题翻译：调色剂，过程盒，图像形成方法和调色剂的生产方法
公开(公告)号：JP2012008510A
公开(公告)日：2012-01-12
申请号：JP2010173836
申请日：2010-08-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IWAMOTO YASUTAKA , WATANABE SHINKO , NAGATOMO NOBUYASU , CHU BING , KOJIMA TOMOYUKI , WATANABE MASAKI , SHIMODA NAOTO , SHIBA MASAKATA
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner having excellent release property during low temperature fixing, causing little filming, achieving both of low temperature fixability and heat-resistant storage property, reducing a volatile content during fixing, and achieving both of low temperature fixability and separation property of a sheet from a roller during high-temperature fixing.SOLUTION: The toner is obtained through a step of emulsifying or dispersing a toner material liquid comprising liquid that contains materials constituting the toner, in an aqueous medium containing a surfactant. The toner material liquid contains a binder, colorant, and wax, having a molecular chain composed of only C-H bonds and C-C bonds. The wax shows a mass reduction of 10 mass% or less at 165°C. The proportion of the whole wax in the toner particles measured by a DSC method ranges from 1 mass% to 8 mass%. A ratio Sbet/SF of the BET specific surface area (Sbet) of the toner to an average circularity (SF) of the toner is 1.0 m/g or more and less than 3.6 m/g.
摘要翻译：要解决的问题：为了提供在低温定影期间具有优异的剥离性的调色剂，几乎没有成膜，同时实现低温定影性和耐热性储存性，降低固定期间的挥发物含量，同时实现低在高温定影期间片材与辊的温度定影性和分离性能。解决方案：通过将包含含有构成调色剂的材料的液体的调色剂材料液体在含有表面活性剂的水性介质中乳化或分散的步骤获得调色剂。调色剂材料液体含有仅具有C-H键和C-C键的分子链的粘合剂，着色剂和蜡。该蜡在165℃下的质量降低为10质量％以下。通过DSC测定的调色剂颗粒中的全部蜡的比例为1质量％〜8质量％。调色剂的BET比表面积（Sbet）与调色剂的平均圆形度（SF）之比Sbet / SF为1.0m / SP以上，小于等于2 3.6 m 2 / g。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011059568A Yellow toner for image formation 审中-公开
标题翻译：用于图像形成的黄色调色剂
公开(公告)号：JP2011059568A
公开(公告)日：2011-03-24
申请号：JP2009211663
申请日：2009-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： INOUE DAISUKE , SASAKI FUMIHIRO , YAMASHITA YUJI , OGAWA SATORU , SHU HYO , SUZUKI TOMOMI , AWAMURA JUNICHI , INOUE RYUTA , NAGATOMO NOBUYASU , SUGIMOTO TSUTOMU , WATANABE MASAKI , KUSAHARA TERUKI
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide toner which is improved in dispersibility of coloring agent in toner particles and has excelling electrostatic properties and storage stability, as well as satisfactory color developability and OHP transparency. SOLUTION: In the toner for image formation is generated in an aqueous solvent and contains at least a binder resin, a coloring agent and a pigment derivative for dispersing the coloring agent, 50-100 wt.% of the binder resin is polyester resin, and the pigment derivative has a framework common to the pigment, and includes an active hydrogen group. COPYRIGHT: (C)2011,JPO&INPIT

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