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21. 发明专利

JP2015011195A 静電潜像現像用キャリア、およびそれを用いた補給用現像剤、現像剤入り容器、並びに画像形成装置、画像形成方法およびプロセスカートリッジ审中-公开
标题翻译：用于静电图像发展的载体，使用该装置的装置的发展者，集装箱存储装置，图像形成装置，图像形成方法和处理盒
公开(公告)号：JP2015011195A
公开(公告)日：2015-01-19
申请号：JP2013136722
申请日：2013-06-28
申请人：株式会社リコー , Ricoh Co Ltd
发明人： TANO TOYOAKI , TANIGUCHI SHIGENORI , HIGASHIMATSU HIROSHI , SAKATA KOICHI , IWATSUKI HITOSHI , KISHIDA HIROYUKI , MASUKO KENICHI
IPC分类号： G03G9/113
摘要：【課題】高耐久化を可能にする電子写真法・静電記録法に使用される二成分現像剤に用いられる静電潜像現像用キャリアを提供すること。【解決手段】磁性を有する芯材粒子と、該芯材粒子の表面を被覆する樹脂層と、を備える静電潜像現像剤用キャリアであって、前記樹脂層は、樹脂と、導電性微粒子と、を含み、前記導電性微粒子は少なくとも、基体と、該基体の表面を被覆しスズを含有する導電層を有し、前記基体は、酸化アルミニウム、酸化亜鉛及び酸化ジルコニウムより選ばれる1種または2種以上であって、当該静電潜像現像用キャリアの深さ方向ごとにXPS測定を行った結果におけるスズが検出された深さをA[nm]、前記基体が検出された深さをB[nm]としたとき、前記Aと前記Bとの差が30〜200[nm]であることを特徴とする。【選択図】図3
摘要翻译：要解决的问题：提供用于电子照相方法中使用的双组分显影剂的静电潜像显影用载体和能够实现高耐久性的静电记录方法。解决方案：提供了一种用于静电潜像显影的载体，包括核心具有磁性的材料颗粒和涂覆芯材颗粒的表面的树脂层，其中树脂层包括树脂和导电细颗粒; 导电性细颗粒至少具有基材和覆盖基体表面并含有锡的导电层; 该基础物质是选自氧化铝，氧化锌和氧化锆中的一种或两种以上的物质; 并且当作为用于静电潜像显影的载体的每个深度方向执行的XPS测量的结果的锡的深度为Anm，并且检测到基础物质的深度为Bnm时， A和B为30〜200nm。

22. 发明专利

JP2014170131A Carrier for electrostatic latent image developer, electrostatic latent image developer, image forming method, and process cartridge 有权
标题翻译：静电图像发生器，静电图像发生器，图像形成方法和处理盒的载体
公开(公告)号：JP2014170131A
公开(公告)日：2014-09-18
申请号：JP2013042215
申请日：2013-03-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TANIGUCHI SHIGENORI , SAKATA KOICHI , IWATSUKI HITOSHI , TANO TOYOAKI , KISHIDA HIROYUKI , MASUKO KENICHI , HIGASHIMATSU HIROSHI
IPC分类号： G03G9/113 , G03G9/08 , G03G15/08
CPC分类号： G03G9/1075 , G03G9/107 , G03G9/1131 , G03G9/1135 , G03G9/1139 , G03G15/09 , G03G21/1803
摘要： PROBLEM TO BE SOLVED: To provide a carrier for an electrostatic latent image developer that can develop images with a stable amount of toner without being affected by a toner consumption history of the immediately previous image so as to prevent the occurrence of ghost images, suppress a variation in change of a resistance value of the carrier, and can manufacture a toner that is spent in a small amount.SOLUTION: A carrier for an electrostatic latent image developer consists of core material particles having magnetism, and resin coating layers containing a filler. When a cross section of the carrier is observed, a shape factor SF2 of the core material particles is in a range of 120 to 160; an area ratio of the filler accounts for 30 to 85% of the entire resin coating layer; and a ratio between an average domain diameter of the core material particles and a number average particle diameter of the filler is in a range of 1:1 to 1:0.003.
摘要翻译：要解决的问题：为了提供一种用于静电潜像显影剂的载体，其可以在不受紧接着的图像的调色剂消耗历史的影响的情况下以稳定量的调色剂显影图像，从而防止重影图像的发生，抑制载体的电阻值的变化的变化，并且可以制造少量使用的调色剂。溶液：用于静电潜像显影剂的载体由具有磁性的芯材颗粒和含有填料的树脂涂层组成。当观察到载体的横截面时，芯材颗粒的形状因子SF2在120至160的范围内; 填料的面积比占整个树脂涂层的30％至85％; 芯材颗粒的平均畴直径与填料的数均粒径之比为1:1〜1:0.33的范围。

23. 发明专利

JP2014056005A Carrier for electrostatic latent image development, two-component developer for electrostatic latent image development, process cartridge, and image forming device 审中-公开
标题翻译：用于静电图像发展的载体，用于静电图像发展的两组分开发，过程盒和图像形成装置
公开(公告)号：JP2014056005A
公开(公告)日：2014-03-27
申请号：JP2012199241
申请日：2012-09-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TANO TOYOAKI , TANIGUCHI SHIGENORI , SAKATA KOICHI , IWATSUKI HITOSHI , HIGASHIMATSU HIROSHI , KISHIDA HIROYUKI
IPC分类号： G03G9/113 , G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide carrier for electrostatic latent image development configured to supply a stable amount of toner to a carrying body for electrostatic latent image development without any influence of hysteresis even after continuous long-term use, and to prevent reduction in carrier resistance due to wear of coating liquid, and to provide a process cartridge using the carrier for electrostatic latent image development and an image forming device.SOLUTION: Carrier for electrostatic latent image development is formed of a carrier particle which includes a core particle having magnetism and a coating layer for coating the core particle. The carrier includes a first coat layer formed of a resin component for the core particle, and a second coat layer formed by containing filler in the resin. In the first coat layer, protrusions are coated at least for the core particle, and uncoated regions are formed between the adjacent protrusions.
摘要翻译：要解决的问题：为了提供用于静电潜像显影的载体，其构造成即使在连续长时间使用后也不会产生滞后的静电潜像显影用携带体中，供给稳定量的调色剂，并且防止载体电阻降低由于涂布液的磨损，并且提供了使用该静电潜像显影用载体的处理盒和图像形成装置。静电潜像显影用载体由载体颗粒形成，载体颗粒包括具有磁性的核心颗粒和用于涂覆核心颗粒的涂层。载体包括由芯颗粒的树脂组分形成的第一涂层和在树脂中含有填料形成的第二涂层。在第一涂层中，至少对于芯颗粒涂覆突起，并且在相邻突起之间形成未涂覆区域。

24. 发明专利

JP2013195734A Carrier for electrostatic latent image developer, two-component developer and image forming method 有权
标题翻译：静电图像发生器的载体，双组分开发者和图像形成方法
公开(公告)号：JP2013195734A
公开(公告)日：2013-09-30
申请号：JP2012063204
申请日：2012-03-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TANIGUCHI SHIGENORI , HIGASHIMATSU HIROSHI , SAKATA KOICHI , IWATSUKI HITOSHI , KISHIDA HIROYUKI , TANO TOYOAKI
IPC分类号： G03G9/113
CPC分类号： G03G7/008 , G03G9/1075 , G03G9/1133 , G03G9/1136 , G03G9/1139
摘要： PROBLEM TO BE SOLVED: To provide a clear image excellent in color reproducibility over a long period of time by developing a stable amount of toner with a carrier which hardly causes toner spent even in a case of high-density printing, causes less peeling of a coating film and further causes less increase in resistance even in a case of low-density printing or a small number of pieces of printing of 1 job.SOLUTION: There is provided a carrier for an electrostatic latent image developer which comprises a core material particle having magnetism and a coating layer for coating the core material particle. The coating layer contains a resin component and a filler, the resin component contains a silicone resin and a resin containing a methacrylic acid ester component or an acrylic acid ester component, the filler has a conductive layer containing at least SnOon the surface of a substrate, and in the XPS analysis of the carrier, Sn is 0.5 Atomic% or more and the Sn/Si ratio is in the range of 0.03 to 0.2.
摘要翻译：要解决的问题：为了通过用即使在高密度印刷的情况下几乎不引起调色剂的载体显影稳定量的调色剂来提供长时间的色彩再现性优异的清晰图像，则导致较少的并且即使在低密度印刷或少量印刷1个工作的情况下也能进一步降低电阻增加。解决方案：提供了一种用于静电潜像显影剂的载体，其包括具有磁性和用于涂覆芯材料颗粒的涂层。涂层含有树脂成分和填料，树脂成分含有有机硅树脂和含有甲基丙烯酸酯成分或丙烯酸酯成分的树脂，填料在基材表面含有至少含有SnO的导电层，在载体的XPS分析中，Sn为0.5原子％以上，Sn / Si比为0.03〜0.2。

25. 发明专利

JP2013061522A Electrostatic latent image developer carrier, electrostatic latent image developer and developing method 审中-公开
标题翻译：静电图像开发者载体，静电图像开发者和开发方法
公开(公告)号：JP2013061522A
公开(公告)日：2013-04-04
申请号：JP2011200390
申请日：2011-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKII MARIKO , HIGASHIMATSU HIROSHI , IWATSUKI HITOSHI , TANO TOYOAKI , TANIGUCHI SHIGENORI , KISHIDA HIROYUKI
IPC分类号： G03G9/113 , G03G9/107 , G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide developing means, in which a developer temperature under agitation is not increased, capable of achieving uniform developer supply with sufficient amount of developer to a portion to be developed, quick collection of used developer and improvement of filling up of toner and in charging variation by means of an excellent and selective combination of a developing device of a specific structure capable of smoothing movement of the developer in the device and of facilitating separation of the developer from a developer carrying member surface and a specific carrier that easily radiates heat even when actively moving and can suppress self-temperature increase, and further to provide an image forming device using the developing means.SOLUTION: A developing device is provided with a developer carrying member for supplying two-component developer containing toner and an electrostatic latent image developer carrier to an electrostatic latent image formed on an image carrying member. Rotatable magnetic field generating means provided with a magnetic pole for napping the developer and conveying the developer is disposed inside the developer carrying member. The carrier is an electrostatic latent image developer carrier constituted of core material particles having magnetism and a resin layer coating a surface thereof. An XPS intensity ratio thereof satisfies 0.0≤Si/Fe
摘要翻译：要解决的问题：为了提供显影装置，其中搅拌下的显影剂温度没有增加，能够使显影剂供应量足够的显影剂到要显影的部分，快速收集用过的显影剂和改进通过能够平滑装置中的显影剂的移动并且促进显影剂与显影剂承载构件表面的分离以及具体的显影剂的特定结构的显影装置的优异和选择性组合来填充调色剂和充电变化即使在主动移动时也容易散热并能抑制自身温度升高的载体，进一步提供使用显影装置的图像形成装置。解决方案：显影装置设置有用于将含有调色剂的双组分显影剂和静电潜像显影剂载体供应到形成在图像承载构件上的静电潜像的显影剂承载构件。设置有用于使显影剂起毛和传送显影剂的磁极的可旋转磁场产生装置设置在显影剂承载构件的内部。载体是由具有磁性的芯材料颗粒和涂覆其表面的树脂层构成的静电潜像显影剂载体。其XPS强度比满足0.0≤Si/ Fe <0.1。版权所有（C）2013，JPO＆INPIT

26. 发明专利

JP2013024919A Image forming method and image forming apparatus 审中-公开
标题翻译：图像形成方法和图像形成装置
公开(公告)号：JP2013024919A
公开(公告)日：2013-02-04
申请号：JP2011156768
申请日：2011-07-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIGASHIMATSU HIROSHI , TANIGUCHI SHIGENORI , IWATSUKI HITOSHI , TANO TOYOAKI , SAKATA KOICHI , TAKII MARIKO
IPC分类号： G03G9/10 , G03G9/113 , G03G15/08
CPC分类号： G03G15/087 , G03G15/0879
摘要： PROBLEM TO BE SOLVED: To provide an image forming method and an image forming apparatus capable of preparing developer of a fixed density in which toner and carrier are uniformly mixed, efficiently applying an appropriate charge amount without giving stress to the developer, and transporting developer of a fixed amount to a developing section continuously, stably and efficiently.SOLUTION: The image forming method includes: a charging step; an electrostatic latent image forming step; a developing step which includes two-component developer preparing processing for preparing two-component developer containing toner and carrier so that a fluidity energy amount is 30 mJ to 70 mJ by agitating the toner and the carrier and transporting processing for periodically discharging the agitated two-component developer and transporting the discharged developer to a developing section by using air pressure, and which develops an electrostatic latent image formed on an electrostatic latent image carrier by using the transported two-component developer in the developing section to form a visible image; a transferring step; and a fixing step.
摘要翻译：要解决的问题：为了提供能够制备调色剂和载体均匀混合的固定密度的显影剂的图像形成方法和图像形成装置，有效地施加适当的电荷量而不对显影剂施加压力，以及将固定量的显影剂连续，稳定且有效地运送到显影部。解决方案：图像形成方法包括：充电步骤; 静电潜像形成步骤; 一种显影步骤，其包括用于制备含有调色剂和载体的双组分显影剂的双组分显影剂制备处理，使得通过搅拌调色剂和载体的流动能量为30mJ至70mJ，并且传送处理用于周期性地排出搅拌的二元组分，通过使用空气压力将排出的显影剂输送到显影部分，并且通过使用在显影部分中输送的双组分显影剂形成静电潜像载体上的静电潜像，以形成可见光图像; 转移步骤; 和固定步骤。版权所有（C）2013，JPO＆INPIT

27. 发明专利

JP2012189929A Toner for electrophotography development, image forming method, and process cartridge 审中-公开
标题翻译：电摄影发展，图像形成方法和过程盒的调色剂
公开(公告)号：JP2012189929A
公开(公告)日：2012-10-04
申请号：JP2011055166
申请日：2011-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMADA SAORI , AOKI MITSUO , NAKAJIMA HISASHI , NAGAYAMA MASASHI , TANIGUCHI SHIGENORI
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087 , G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner for an electrophotography development which achieves extremely excellent low-temperature fixability, high hot offset resistance properties and adequate storage stability, has high coloring power and hiding power with a low adhesion amount, and can form a high-gloss image, and to provide an image forming method and a process cartridge.SOLUTION: In the toner for the electrophotography which contains at least a binder resin, a coloring agent and a releasing agent, as for the viscoelasticity of the toner, the tangent loss represented by loss modulus (G")/storage modulus (G')=tangent loss (tan δ) has a peak at 80-160 [°C] and has a peak value of 3 or more.
摘要翻译：要解决的问题：为了提供一种电子照相显影用调色剂，其具有极好的低温定影性，高耐热偏移性和充分的保存稳定性，具有较高的着色力和遮盖力，粘附量低，并且可以形成高光泽图像，并提供图像形成方法和处理盒。解决方案：在用于电子照相术的调色剂中，至少包含粘合剂树脂，着色剂和脱模剂，对于调色剂的粘弹性，损耗模量（G“）/储能模量（G”）表示的切线损耗 G'）=正切损耗（tanδ）在80-160℃具有峰值，峰值为3以上。版权所有（C）2013，JPO＆INPIT

28. 发明专利

JP2012063438A Carrier for electrostatic latent image developer, two-component developer, container with developer, image forming method and process cartridge 有权
标题翻译：用于静电影像发生器，双组分开发者，具有开发者的容器，图像形成方法和过程盒
公开(公告)号：JP2012063438A
公开(公告)日：2012-03-29
申请号：JP2010205878
申请日：2010-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IWATSUKI HITOSHI , TANIGUCHI SHIGENORI , YAMAGUCHI KIMITOSHI , TANO TOYOAKI , TAKII MARIKO , MASUDA MINORU , NAKAJIMA HISASHI , SAKATA KOICHI , YAMADA SAORI , KISHIDA HIROYUKI
IPC分类号： G03G9/113 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide a carrier for an electrostatic latent image developer, used in a two-component developer, which shows a wide resistance controlling range, no carrier deposition of a toner component, a suppressed edge effect, and high reproducibility of thin lines such as a character, and which gives a high-precision image without color contamination.SOLUTION: The carrier comprises core particles and a coating layer coating a surface of each of the core material particles. The coating layer contains conductive fine particles and a resin obtained by heat treating at least a monomer component of a trialkoxysilane acrylate or a trialkoxysilane methacrylate, and a monomer component of a dialkoxyalkylsilane acrylate or a dialkoxyalkylsilane methacrylate. The ratio D/h of a dispersion particle diameter D of the conductive fine particles to an average film thickness h of the coating layer is 0.001 or more and 5 or less.
摘要翻译：要解决的问题：为了提供用于显示宽电阻控制范围的双组分显影剂中的静电潜像显影剂载体，调色剂组分的载体沉积，边缘效应的抑制和高诸如字符的细线的再现性，并且其给出高精度图像而没有颜色污染。解决方案：载体包括芯颗粒和涂覆每个芯材料颗粒的表面的涂层。涂层含有导电性细颗粒和通过热处理至少三烷氧基硅烷丙烯酸酯或三烷氧基硅烷甲基丙烯酸酯的单体组分和二烷氧基烷基硅烷丙烯酸酯或二烷氧基烷基硅烷甲基丙烯酸酯的单体组分而获得的树脂。导电性微粒的分散粒径D与涂层的平均膜厚h的比D / h为0.001以上且5以下。版权所有（C）2012，JPO＆INPIT

29. 发明专利

JP2012058577A Carrier of electrostatic latent image developer, and electrostatic latent image developer 有权
标题翻译：静电图像发生器的载体和静电图像发生器
公开(公告)号：JP2012058577A
公开(公告)日：2012-03-22
申请号：JP2010202965
申请日：2010-09-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKII MARIKO , TANIGUCHI SHIGENORI , IWATSUKI HITOSHI , YAMAGUCHI KIMITOSHI , SAWADA TOYOSHI , HIGASHIMATSU HIROSHI , TANO TOYOAKI , SAKATA KOICHI , KISHIDA HIROYUKI , YAMADA SAORI
IPC分类号： G03G9/113 , G03G9/09 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a carrier excellent in hardness, toughness (flexibility and elasticity), and wear resistance (scraping and peeling) of a coating film.SOLUTION: The carrier of electrostatic latent image developer comprises core particles having magnetism, and resin layers coating the core particles. The resin layer includes a resin obtained by heating a copolymer having an acrylic component having a siloxane bond, an acrylic component having a cross-linking precursor, and an acrylic component. A contact angle of a droplet of a toluene solution containing 25 mass% of a solid component of the copolymer before heating is 90 to 105 degrees.

30. 发明专利

JP2012058551A Carrier for electrostatic latent image developer and electrostatic latent image developer 有权
标题翻译：静电图像发生器和静电图像发生器的载体
公开(公告)号：JP2012058551A
公开(公告)日：2012-03-22
申请号：JP2010202535
申请日：2010-09-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IWATSUKI HITOSHI , TANIGUCHI SHIGENORI , YAMAGUCHI KIMITOSHI , SAWADA TOYOSHI , SAKATA KOICHI , HIGASHIMATSU HIROSHI , YAMADA SAORI , TANO TOYOAKI , KISHIDA HIROYUKI , TAKII MARIKO
IPC分类号： G03G9/113 , G03G9/09 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide a carrier having an excellent toner spent property and abrasion resistance (chipping and peeling) of a coating, a developer including the carrier, a container including the developer for accommodating the developer, and an image forming method and a process cartridge using the developer.SOLUTION: A carrier for an electrostatic latent image developer is formed of magnetized core material particles and a resin layer that coats the surface of the core material particles. The resin layer includes resin obtained by subjecting a copolymer including an A component that is an acrylic monomer having at least a tris (trialkylsiloxy) silane compound and a B component that is an acrylic monomer having a two-functional or three-functional silane compound to heating treatment, and carbon black particles.
摘要翻译：要解决的问题：为了提供具有优异的调色剂废弃性和耐磨损性（切屑和剥离）涂层的载体，包括载体的显影剂，包含用于容纳显影剂的显影剂的容器和成像方法和使用显影剂的处理盒。解决方案：用于静电潜像显影剂的载体由磁化的芯材颗粒和涂覆芯材颗粒的表面的树脂层形成。树脂层包括通过使包含具有至少三（三烷基甲硅烷氧基）硅烷化合物的丙烯酸单体的A成分和具有二官能或三官能硅烷化合物的丙烯酸类单体的B成分的共聚物加热处理和炭黑颗粒。版权所有（C）2012，JPO＆INPIT

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