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1. 发明专利

JP2015059947A 電子写真用トナーおよび画像形成装置有权
标题翻译：电子摄影和图像形成装置的调色剂
公开(公告)号：JP2015059947A
公开(公告)日：2015-03-30
申请号：JP2013191342
申请日：2013-09-17
申请人：株式会社リコー , Ricoh Co Ltd
发明人： KOJIMA TOMOYUKI , SAKASHITA SHINGO , MISAWA TASUKE , ENDO HISASHI , MURAYAMA TOMOKI , TAKAHASHI RINTARO , KIKUCHI CHIHIRO
IPC分类号： G03G9/08 , G03G9/087
摘要：【課題】低温定着性及び耐熱保存性が優れるトナーを提供すること。【解決手段】少なくとも結着樹脂、離型剤、着色剤を含むトナー母体粒子の表面に樹脂微粒子が配置されたトナーであって、前記トナーの昇温1回目の貯蔵弾性率G’A(Pa)の値が下記の条件を満たし、かつ前記樹脂微粒子の昇温1回目の貯蔵弾性率G’B(Pa)の値が下記の条件を満たし、かつG’AとG’Bの関係が下記条件を満たしていることを特徴とするトナー。昇温1回目60℃におけるトナーの貯蔵弾性率G’A(60):5.0?10^5
摘要翻译：要解决的问题：提供低温定影性和耐热储存性优异的调色剂。解决方案：提供一种调色剂，其具有布置在至少包含粘合剂树脂的每个调色剂基础颗粒的表面上的树脂细颗粒，脱模剂和着色剂，其中第一升温步骤中的调色剂的储能模量G'A（Pa）的值满足以下条件; 在第一升温步骤中树脂微粒的储能模量G'B（Pa）的值满足以下条件： G'A和G'B之间的关系满足以下条件。 60℃的第一升温步骤中的调色剂的储能模量G'A（60）：G'A（60）：5.0×10

2. 发明专利

JP2014228654A 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：JP2014228654A
公开(公告)日：2014-12-08
申请号：JP2013107439
申请日：2013-05-21
申请人：株式会社リコー , Ricoh Co Ltd
发明人： MURAYAMA TOMOKI , AWAMURA JUNICHI , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , SAKASHITA SHINGO , 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】トナー搬送装置に装着可能であり、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、容器本体の内部に配置され、トナーを容器本体における長手方向の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、搬送された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、トナーを50℃で1時間保管した時の凝集度が60〜75%であり、容器本体が、容器開口部の容器本体内部側から、一端側に向かって突出している突出部を有し、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を特徴とする。【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：调色剂储存容器包括可附接到调色剂输送装置的容器主体并且容纳要供应到调色剂输送装置的调色剂;输送单元，其设置在容器主体的内部，以将调色剂从容器主体的纵向方向的一端输送到设置有容器开口的另一端; 管接收口，其布置在容器开口处并且可以容纳固定到调色剂输送装置的输送管;以及泵送单元，其将输送的调色剂朝向输送管的调色剂接收口移动。当在50℃下储存1小时时，调色剂的聚集度为60〜75％。容器主体包括从容器主体的内部朝向容器开口的一端突出的突起; 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

JP2014142539A Toner, developer, and image forming apparatus 有权
标题翻译：调色剂，开发商和图像形成装置
公开(公告)号：JP2014142539A
公开(公告)日：2014-08-07
申请号：JP2013011986
申请日：2013-01-25
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： G03G9/08 , G03G9/087 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a toner capable of effectively suppressing deterioration of aggregability of toner even when being exposed to a high-temperature and high-humidity environment for a long period, so as to maintain good toner supply performance and waste toner conveyability.SOLUTION: A toner comprises: toner base particles containing a binder resin and colorant; and an external additive. The external additive contains at least bonded particles. The bonded particles are non-spherical secondary particles obtained by primary particles being bonded to each other. The loosened apparent density ρof the toner at 22°C and 55%RH, and the loosened apparent density ρof the toner after 14-day storage in a constant temperature bath at 40°C and 70%RH satisfy the following formula: 1-ρ/ρ≤0.10.
摘要翻译：要解决的问题：提供一种能够有效地抑制长时间暴露于高温高湿环境下的调色剂的聚集性劣化的调色剂，以保持良好的调色剂供给性能和废色调剂输送性。解决方案：调色剂包括：含有粘合剂树脂和着色剂的调色剂基础颗粒; 和外部添加剂。外部添加剂至少含有结合的颗粒。粘合颗粒是通过一次颗粒彼此粘合而获得的非球形二次颗粒。在40℃和70％RH的恒温槽中储存14天后调色剂在22℃和55％RH下松动的表观密度和调色剂松散的表观密度满足下式：1-＆rgr; /＆rgr;≤0.10。

4. 发明专利

JP2014056081A Developing device, and image forming apparatus 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2014056081A
公开(公告)日：2014-03-27
申请号：JP2012200356
申请日：2012-09-12
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
IPC分类号： G03G9/08 , G03G9/087 , G03G9/113 , G03G15/08
CPC分类号： G03G15/0822 , G03G9/09716 , G03G9/09725 , G03G9/10 , G03G9/107 , G03G9/1075 , G03G9/1132 , G03G9/1139
摘要： PROBLEM TO BE SOLVED: To provide a developing device capable of effectively suppressing hysteresis not only initially but over time, to provide high-quality full-color images; and an image forming apparatus.SOLUTION: A developing device includes a developer carrier that is arranged opposite to an electrostatic latent image carrier, and carries a developer to develop an electrostatic latent image formed on the electrostatic latent image carrier to convey the developer to a development area. The developer includes a toner containing toner base containing at least a binder resin and colorant, and an external additive; and a carrier. The toner contains, as the external additive, joined particles formed by a plurality of primary particles being joined to each other. The work function Wc of the carrier and the work function Ws of the developer carrier satisfy the relationship of the following formula (1).
摘要翻译：要解决的问题：提供一种能够不仅在最初但随时间有效地抑制滞后的显影装置，以提供高质量的全色图像; 和显影装置。显影装置包括与静电潜像载体相对布置的显影剂载体，并携带显影剂以形成形成在静电潜像载体上的静电潜像，以将显影剂传送至显影剂区。显影剂包括含有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的调色剂; 和载体。作为外部添加剂，调色剂包含由多个相互连接的一次粒子形成的颗粒。载体的功函数Wc和显影剂载体的功函数Ws满足下式（1）的关系。

5. 发明专利

JP2013190667A Toner set, developer, image forming method, and image forming device 审中-公开
标题翻译：调色剂设置，开发者，图像形成方法和图像形成装置
公开(公告)号：JP2013190667A
公开(公告)日：2013-09-26
申请号：JP2012057556
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AWAMURA JUNICHI , KUSAHARA TERUKI , OGAWA SATORU , ITO DAISUKE , INOUE DAISUKE , UCHINOKURA OSAMU , KOJIMA TOMOYUKI , NAGATOMO NOBUYASU , HOZUMI MAMORU , SATO SACHIKO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/0821 , G03G9/08782 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner set having excellent low-temperature fixability and forming a high-gloss part on one recording medium, and to provide developer, an image forming method and an image forming device.SOLUTION: A toner set includes one or more kinds of color toner containing binder resin, colorant and a mold-releasing agent, and transparent toner containing the binder resin and the mold-releasing agent but contains no colorant. Both of the color toner and the transparent toner contain crystalline resin. A mean particle diameter of the mold-releasing agent contained in the transparent toner is 0.2-2.0 μm in major diameter. When area of a toner cross section of the mold-releasing agent located near the transparent toner inner surface is A, and area of the toner cross section of the mold-releasing agent located near the color toner inner surface is B, 1
摘要翻译：要解决的问题：提供具有优异的低温定影性并在一个记录介质上形成高光泽部分的调色剂组，并提供显影剂，图像形成方法和图像形成装置。解决方案：调色剂组包括一个或更多种含有粘合剂树脂，着色剂和脱模剂的彩色调色剂，以及含有粘合剂树脂和脱模剂但不含着色剂的透明调色剂。彩色调色剂和透明调色剂均含有结晶性树脂。包含在透明调色剂中的脱模剂的平均粒径为大直径为0.2-2.0μm。当位于透明调色剂内表面附近的脱模剂的调色剂横截面的面积为A时，位于彩色调色剂内表面附近的脱模剂的调色剂横截面积为B，1

6. 发明专利

JP2013142712A Toner for electrostatic charge image development 审中-公开
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2013142712A
公开(公告)日：2013-07-22
申请号：JP2012001370
申请日：2012-01-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OGAWA SATORU , KUSAHARA TERUKI , AWAMURA JUNICHI , ITO DAISUKE , HONDA TAKAHIRO , INOUE DAISUKE , UCHINOKURA OSAMU , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , HIROHARA KIWAKO
IPC分类号： G03G9/08 , G03G9/087 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide toner which is excellent in image density, granularity and fixability and can obtain a stable image without an abnormal image such as surface staining and white stripes.SOLUTION: There is provided toner for electrostatic charge image development containing at least a binder resin and/or a binder resin precursor, a colorant and one or more kinds of release agents, wherein the toner contains organic modified montmorillonite obtained by modifying a layered inorganic mineral with organic ions, the release agent contains at least a monoester wax, and when the content of the release agent is X pts.mass and the content of the organic modified montmorillonite is Y pts.mass in 100 pts.mass of the toner, 0.6≤X(pts.mass )×Y(pts.mass )≤15 and 2≤X(pts.mass )/Y(pts.mass )≤15.
摘要翻译：要解决的问题：提供图像密度，粒度和定影性优异的调色剂，并且可以获得没有诸如表面染色和白色条纹的异常图像的稳定图像。解决方案：提供至少含有静电荷图像显影的调色剂粘合剂树脂和/或粘合剂树脂前体，着色剂和一种或多种脱模剂，其中调色剂含有通过用有机离子改性层状无机矿物获得的有机改性蒙脱石，脱模剂至少含有单酯蜡，当脱模剂的含量为X pts.mass，有机改性蒙脱石的含量为100 pts.mass的调色剂中的Y pts.mass，0.6≤X（pts.mass）×Y（pts.mass） ≤15和2≤X（pts.mass）/ Y（pts.mass）≤15。

7. 发明专利

JP2013064819A Toner and manufacturing method of the toner, and image formation device and image formation method using the toner 审中-公开
标题翻译：调色剂的调色剂和制造方法，图像形成装置和使用色调剂的图像形成方法
公开(公告)号：JP2013064819A
公开(公告)日：2013-04-11
申请号：JP2011202751
申请日：2011-09-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , SATO SACHIKO , OGAWA SATORU , HONDA TAKAHIRO , ITO DAISUKE , KUSAHARA TERUKI , INOUE DAISUKE , AWAMURA JUNICHI , UCHINOKURA OSAMU
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image formation device and a toner having excellent low-temperature fixability, in which toner aggregation does not occur even under a highly humid environment and charge stability can be secured.SOLUTION: A toner material at least including binder resin or binder resin precursor is dissolved or dispersed to obtain an organic solvent liquid. The organic solvent liquid is emulsified or dispersed in an aqueous medium including a stabilizer to obtain an O/W type emulsion or dispersion liquid. From the O/W type emulsion or dispersion liquid, an organic solvent is removed to obtain an electrostatic charge image developing toner. The electrostatic charge image developing toner includes an external additive. The external additive has an average particle diameter of 50-200 nm. A specific surface area A before hydrophobic treatment and a specific surface area B after hydrophobic treatment on the external additive satisfy a mathematical formula (1): 6/(D.ρ)≤A-B≤A/2 ... formula (1), where ρ represents an absolute specific gravity of the external additive, and D represents particle size of the external additive.
摘要翻译：要解决的问题：为了提供一种图像形成装置和具有优异的低温定影性的调色剂，即使在高湿度环境下也不会发生调色剂聚集，并且可以确保电荷稳定性。解决方案：将至少包含粘合剂树脂或粘合剂树脂前体的调色剂材料溶解或分散以获得有机溶剂液体。将有机溶剂液体乳化或分散在包含稳定剂的水性介质中，得到O / W型乳液或分散液。从O / W型乳液或分散液中除去有机溶剂，得到静电荷图像显影调色剂。静电荷图像显影调色剂包括外部添加剂。外用添加剂的平均粒径为50-200nm。憎水处理前的比表面积A和疏水处理后的外用添加剂的比表面积B满足数学式（1）：6 /（D.ρ）≤AB≤A/ 2 ...式（1）其中ρ表示外部添加剂的绝对比重，D表示外部添加剂的粒径。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013061544A Electrophotographic full-color toner 审中-公开
标题翻译：电子全彩色调色剂
公开(公告)号：JP2013061544A
公开(公告)日：2013-04-04
申请号：JP2011200709
申请日：2011-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OGAWA SATORU , UCHINOKURA OSAMU , AWAMURA JUNICHI , KUSAHARA TERUKI , HONDA TAKAHIRO , INOUE DAISUKE , ITO DAISUKE , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI , HIROHARA KIWAKO , YOSHIDA RYUTA , HOZUMI MAMORU
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a full-color toner having good pigment dispersibility, which is a toner obtained by water-based granulation using at least a polyester resin as a binder resin, and to provide a production method of the toner and a toner master batch for the toner and the method.SOLUTION: The full-color electrophotographic toner is obtained by suspending and granulating an oil phase of a toner material containing at least a binder resin and/or its precursor, a coloring material and a release agent in an aqueous medium. The coloring material is prepared into a master batch by preliminarily dispersing the coloring material in a master batch resin. At least two types of resins having different viscosities are used as the master batch resin. A resin R1 having the highest viscosity has a storage modulus G1' of 8.0×10E4 to 5.0×10E5 at 90°C; and a resin R2 having the lowest viscosity has a storage modulus G2' of 2.0×10E4 to 7.0×10E4 at 90°C.
摘要翻译：要解决的问题：提供具有良好颜料分散性的全色调色剂，其是使用至少使用聚酯树脂作为粘合剂树脂的水性造粒获得的调色剂，并且提供调色剂的制备方法和用于调色剂的调色剂母料和该方法。解决方案：全色电子照相调色剂通过将含有至少一种粘合剂树脂和/或其前体，着色材料和脱模剂的调色剂材料的油相悬浮和造粒在水性介质中而获得。通过将着色材料预先分散在母料树脂中，将着色材料制备成母料。使用具有不同粘度的至少两种类型的树脂作为母料树脂。粘度最高的树脂R1在90℃下的储能模量G1'为8.0×10E4〜5.0×10E5; 并且具有最低粘度的树脂R2在90℃下的储能模量G2'为2.0×10E4至7.0×10E4。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2009134109A Toner for forming image, developer, and process cartridge 审中-公开
标题翻译：用于形成图像，开发者和处理盒的TONER
公开(公告)号：JP2009134109A
公开(公告)日：2009-06-18
申请号：JP2007310513
申请日：2007-11-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAWADA TOYOSHI , SUZUKI TOMOMI , NAGATOMO NOBUYASU , SESHIMO TAKUYA , KOJIMA TOMOYUKI
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner having excellent hot offset resistance and low-temperature fixability and less adhesion of a toner component on a carrier even in long-term use, causing no degradation in chargeability of the carrier, and giving high-level picture quality with excellent minute dot reproducibility. SOLUTION: The toner comprises mother particles containing a paraffin wax having a melting point of 60°C to 90°C and a binder resin. The mother particles show an endothermic quantity of from 3.5 J/g to 5.5 J/g derived from the paraffin wax at an endothermic peak in a DSC measurement, and has an average circularity of from 0.94 to 0.97. By an evaluation method of toner for evaluating fluidity of toner, the toner produces a torque of from 1.4 mNm to 2.0 mNm, when a cone rotor having a vertical angle of 60° is made to intrude into a toner powder phase at an intrusion speed of 5 mm/min for a depth of 20 mm while rotating at a rotation speed of 1 rpm, the toner powder phase prepared by consolidating the toner in a cylindrical container having an internal diameter of 60 mm for 60 seconds with a consolidation load of 585 g. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使长期使用也具有优异的耐热偏移性和低温定影性以及较少的调色剂组分对载体的附着力的调色剂，不会导致载体的带电性降低，并且给出高级图像质量，具有出色的点重现性。调色剂包括含有熔点为60℃至90℃的石蜡和粘合剂树脂的母体颗粒。母体颗粒在DSC测量中显示出吸热峰为石蜡衍生的3.5J / g至5.5J / g的吸热量，其平均圆形度为0.94至0.97。通过用于评价调色剂的流动性的调色剂的评估方法，调色剂产生1.4mNm至2.0mNm的扭矩，当以垂直角为60°的锥形转子以入口速度侵入调色剂粉末相在以1rpm的转速旋转的同时以20rpm的速度旋转5毫米/分钟，调色剂粉末相通过将调色剂在内径为60毫米的圆柱形容器中固结60秒，固结载荷为585克。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009086640A Image forming method, image forming apparatus, and process cartridge 审中-公开
标题翻译：图像形成方法，图像形成装置和处理盒
公开(公告)号：JP2009086640A
公开(公告)日：2009-04-23
申请号：JP2008180505
申请日：2008-07-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SESHIMO TAKUYA , SAWADA TOYOSHI , SUZUKI TOMOMI , NAGATOMO NOBUYASU , KOJIMA TOMOYUKI
IPC分类号： G03G21/10 , G03G5/08 , G03G5/147 , G03G9/08 , G03G9/087 , G03G15/02 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming method capable of preventing an abnormal image from being generated caused by defective cleaning, capable of preventing an image carrier from being abraded, capable of preventing a cleaning blade from being abraded, capable of preventing an abnormal image from being generated caused by image deflection or the like, at the same time, and capable of prolonging a service life of an image forming apparatus, in the image forming method using water granulated toner. SOLUTION: This image forming method for developing a latent image formed on the image carrier, using the water granulated toner, and for transferring a formed toner image directly or indirectly onto a recording paper sheet, is provided, as subsequent processes of a transfer process, with a cleaning process for cleaning transfer residual toner on the image carrier by a cleaning blade, and a lubricant applying process for applying a lubricant onto a surface of the image carrier, and the water granulated toner used therein has 2.5 to 7.0 m 2 /g of BET specific surface area. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种图像形成方法，能够防止由于清洁不良而产生的异常图像，能够防止图像载体被磨损，能够防止清洁刮板被磨损，能够在使用水粒状调色剂的图像形成方法中，同时防止由图像偏转等引起的异常图像产生并且能够延长图像形成装置的使用寿命。提供了用于使用水粒状调色剂在图像载体上形成的潜像显影并将形成的调色剂图像直接或间接转印到记录纸上的该成像方法，作为后续处理转印过程，用于清洁通过清洁刮刀转印在载体上的残留调色剂的清洁方法，以及用于在图像载体的表面上施加润滑剂的润滑剂施加方法，并且其中使用的水粒状调色剂具有2.5-7.0μm BET比表面积 2 / g。版权所有（C）2009，JPO＆INPIT

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