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41. 发明专利

JP2006201706A Toner, developer, image forming method and image forming apparatus 有权
标题翻译：调色剂，开发者，图像形成方法和图像形成装置
公开(公告)号：JP2006201706A
公开(公告)日：2006-08-03
申请号：JP2005015851
申请日：2005-01-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IWATSUKI HITOSHI , SUGIURA HIDEKI , IWAMOTO YASUTAKA , ASAHINA YASUO , KOBAN AKIHIRO , ICHIKAWA TOMOYUKI , NAKAYAMA SHINYA , UCHINOKURA OSAMU , NAKAJIMA HISASHI , SAKATA KOICHI , UCHIUMI TOMOKO , MOCHIZUKI MASARU
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus and an image forming method in which even after outputting several ten thousand images, cohesive property in toner transfer compression or after stressing in a developing machine and adherence between toner particles are properly controlled and excellent transferability, developability and fixability are exhibited, and a high-quality image slightly dependent on the quality of a transfer material can be formed stably. SOLUTION: A toner for electrostatic image development including at least a binder resin and a colorant is provided, wherein when the toner is compressed at 15 kg/cm 2 , interparticle force is 1.0×10 -9 -1.0×10 -6 N, compressive adherence is 20-100 gf and compressive bulk density is 300-800 kg/cm 3 . COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种图像形成装置和图像形成方法，其中即使在输出数万张图像之后，调色剂转印压缩或显影机中的应力之后的内聚性和调色剂颗粒之间的粘附被适当地控制并且显示出优异的转印性，显影性和定影性，并且可以稳定地形成稍微依赖于转印材料的质量的高质量图像。提供一种用于静电图像显影的调色剂，其至少包括粘合剂树脂和着色剂，其中当调色剂以15kg / cm 2压缩时，颗粒间的力为1.0×10 < SP> -9 -1.0×10 -6，压缩粘附力为20-100gf，压缩体积密度为300-800kg / cm 3。版权所有（C）2006，JPO＆NCIPI

42. 发明专利

JP2006113456A Toner for electrostatic latent image development and image forming apparatus 审中-公开
标题翻译：静电图像发展和图像形成装置的调色剂
公开(公告)号：JP2006113456A
公开(公告)日：2006-04-27
申请号：JP2004302951
申请日：2004-10-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OOJIYA ATSUYA , KOIKE TOSHIO , TOMITA MASAMI , MIZUISHI HARUJI , ARAI YUJI , YONEDA TAKUJI , AMAMIYA MASARU , KAWASUMI MASANORI , FUJISHIRO TAKATSUGU , ONO HIROSHI , ISHII MASAYUKI , NAGATOMO NOBUYASU , SUGIYAMA KOSHIN , SUGIURA HIDEKI , TAKAHASHI YUTAKA
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide an additive formulation of a toner, by which formation of a dam layer is carried out properly between a cleaning blade and a photoreceptor surface and counter measures for filming can be made. SOLUTION: In the toner for electrostatic latent image development, having at least colored particles that contain a binder resin, a colorant and a release agent, and an external additive, the external additive includes silica having a volume average particle diameter of 500-800 nm, a dispersity Dv/Dn of 1.8-2.8 and a nearly spherical shape and present as a nearly simple substance, without substantially forming an agglomerated structure. Since the particle size distribution is broad, a dense dam layer is formed between a photoreceptor and a blade edge, and cleaning properties are significantly improved. By a fixed amount of hydrophobicity, stable film strength is obtained and filming properties can be improved. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供调色剂的添加剂配方，通过在清洁刮板和感光体表面之间适当地进行阻挡层的形成，并且可以采取相应的成膜措施。解决方案：在用于静电潜像显影的调色剂中，至少具有含有粘合剂树脂，着色剂和脱模剂的着色颗粒和外部添加剂，外部添加剂包括体积平均粒径为500的二氧化硅 -800nm，分散度Dv / Dn为1.8-2.8，呈近似球形，呈现为近似简单的物质，基本上不形成附聚结构。由于粒度分布宽，因此在感光体和叶片边缘之间形成致密的阻挡层，清洗性能明显提高。通过固定量的疏水性，获得了稳定的膜强度，并且可以提高成膜性能。版权所有（C）2006，JPO＆NCIPI

43. 发明专利

JP2006065195A Image forming method, toner for electrostatic image development, developer and process cartridge 有权
标题翻译：图像形成方法，静电图像开发的调色剂，开发者和工艺盒
公开(公告)号：JP2006065195A
公开(公告)日：2006-03-09
申请号：JP2004250110
申请日：2004-08-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ICHIKAWA TOMOYUKI , MOCHIZUKI MASARU , IWAMOTO YASUTAKA , UCHINOKURA OSAMU , NAKAJIMA HISASHI , SUGIURA HIDEKI , KOBAN AKIHIRO , ASAHINA YASUO , ISHII MASAYUKI , NAKAYAMA SHINYA , SAKATA KOICHI , UCHIUMI TOMOKO , IWATSUKI HITOSHI
IPC分类号： G03G9/097 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide an image forming method in which good offset resistance is achieved, a fixing device and an image are not stained and excellent charging characteristics are ensured, and by which an image with few surface stains is formed, and also to provide a toner for electrostatic image development, a developer, and a process cartridge. SOLUTION: In the image forming method, a fixing device is used which has a heating roller 1 heated by electromagnetic induction, a fixing roller 2, a toner heating medium 3 and a pressure roller 4 forming a fixing nip part N, and a toner is used which is obtained by dissolving or dispersing a toner composition in an organic solvent, dispersing the resulting solution or dispersion in an aqueous medium containing fine resin particles, reacting it with a crosslinking agent, removing the solvent from the resulting dispersion to form particles, and treating the surfaces of the particles with a fluorine-containing compound, wherein a content of F in the toner detected by the XPS method is 2-30% by the number of atoms, and a content of fine resin particles is 0.5-5.0 mass%. The toner for electrostatic image development, the developer, and the process cartridge are also provided. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种图像形成方法，其中实现了良好的抗偏移性，定影装置和图像不被染色并且确保了优异的充电特性，并且由此形成具有少量表面污渍的图像，并且还提供静电图像显影用调色剂，显影剂和处理盒。解决方案：在图像形成方法中，使用具有通过电磁感应加热的加热辊1，定影辊2，调色剂加热介质3和形成定影夹持部N的加压辊4的定影装置，以及使用通过将调色剂组合物溶解或分散在有机溶剂中而获得的调色剂，将所得溶液或分散体分散在含有树脂微粒的水性介质中，与交联剂反应，从所得分散体中除去溶剂，形成颗粒，并用含氟化合物处理颗粒的表面，其中通过XPS法检测的调色剂中的F含量为原子数的2-30％，并且树脂微粒的含量为0.5〜 5.0质量％。还提供了用于静电图像显影的调色剂，显影剂和处理盒。版权所有（C）2006，JPO＆NCIPI

44. 发明专利

JP2006047743A Image forming toner, manufacturing method thereof, image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成调色剂，其制造方法，图像形成装置和工艺盒
公开(公告)号：JP2006047743A
公开(公告)日：2006-02-16
申请号：JP2004229201
申请日：2004-08-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UCHIUMI TOMOKO , MOCHIZUKI MASARU , SUGIURA HIDEKI , ICHIKAWA TOMOYUKI , MASUDA MINORU , NAKAYAMA SHINYA
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/0872 , G03G9/0804 , G03G9/0806 , G03G9/0819 , G03G9/0821 , G03G9/0825 , G03G9/0827 , G03G9/08704 , G03G9/08722 , G03G9/08751 , G03G9/08753 , G03G9/08755 , G03G9/08764 , G03G9/08782 , G03G9/09708 , G03G9/09716 , G03G9/09725 , G03G9/09733
摘要： PROBLEM TO BE SOLVED: To provide a toner which is excellent in both of transfer property and cleaning property, has satisfactory fixing property, does not deteriorate an image quality even when printing a number of sheets and is capable of forming a high definition image. SOLUTION: The image forming toner comprises toner mother particles containing at least binder resin and filler, and inorganic fine particles, wherein the filler forms a filler layer near the surface of each of the toner mother particles, the number average particle size of primary particle of the inorganic fine particles is 90 to 300 nm and the average roundness of the toner is ≥0.95. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供转印性能和清洁性都优异的调色剂，具有良好的定影性，即使在印刷多张纸并且能够形成高分辨率时也不会降低图像质量图片。图像形成调色剂包括至少含有粘合剂树脂和填料的调色剂母粒子和无机细颗粒，其中填料在每个调色剂母粒子的表面附近形成填料层，数均粒径无机微粒的一次粒子为90〜300nm，调色剂的平均圆度≥0.95。版权所有（C）2006，JPO＆NCIPI

45. 发明专利

JP2006039136A Electrostatic charge image developing toner, developer, image forming apparatus, and process cartridge 审中-公开
标题翻译：静电充电图像开发墨盒，开发商，图像形成装置和处理盒
公开(公告)号：JP2006039136A
公开(公告)日：2006-02-09
申请号：JP2004217658
申请日：2004-07-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAJIMA HISASHI , UCHINOKURA OSAMU , ICHIKAWA TOMOYUKI , MOCHIZUKI MASARU , IWAMOTO YASUTAKA , KOBAN AKIHIRO , SUGIURA HIDEKI , ASAHINA YASUO , ISHII MASAYUKI , NAKAYAMA SHINYA , SAKATA KOICHI , UCHIUMI TOMOKO , IWATSUKI HITOSHI
IPC分类号： G03G9/087 , G03G5/08 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide an electrostatic charge image developing toner for developing an electrostatic latent image formed on the surface of a photoreceptor to a sensible image in electrophotography and electrostatic recording and a developer using such toner. SOLUTION: The electrostatic charge image developing toner contains at least a binder resin and a colorant and is granulated in an aqueous medium, wherein the binder resin contains at least a modified polyester resin modified by functional groups and the average number of the functional groups per molecule of the modified polyester resin is ≥1.5 to ≤3 pieces and the binder resin contains at least one or more kinds of inorganic particulates inside the toner. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于将形成在感光体表面上的静电潜像显影成电子照相和静电记录中的显像的静电电荷图像显影调色剂和使用这种调色剂的显影剂。解决方案：静电荷图像显影调色剂至少含有粘合剂树脂和着色剂，并在水性介质中造粒，其中粘合剂树脂至少含有通过官能团改性的改性聚酯树脂和官能团的平均数每分子改性聚酯树脂的基团≥1.5〜≤3，粘合剂树脂在调色剂内部含有至少一种以上的无机微粒。版权所有（C）2006，JPO＆NCIPI

46. 发明专利

JP2005265881A Toner, developer, developing device, process cartridge and image forming apparatus 有权
标题翻译：调色剂，开发商，开发设备，过程盒和图像形成设备
公开(公告)号：JP2005265881A
公开(公告)日：2005-09-29
申请号：JP2004073761
申请日：2004-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAJIMA HISASHI , UCHINOKURA OSAMU , IWAMOTO YASUTAKA , MOCHIZUKI MASARU , SUGIURA HIDEKI , KOBAN AKIHIRO , ASAHINA YASUO , MATSUOKA SONOO , ICHIKAWA TOMOYUKI , SAITO TAKUYA , NAKAYAMA SHINYA , SAKATA KOICHI
IPC分类号： G03G9/10 , G03G5/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner which has an excellent low temperature fixing property, has both of hot offset resistance and thermal storage resistance and has an excellent charging property too. SOLUTION: The toner comprises at least a colorant and binder resin, and is applied for development of an electrostatic latent image. The toner is produced as follow; a toner composition containing a compound having active hydrogen groups and a binder component which comprises modified polyester resin capable of reacting with the compound having the active hydrogen groups is dissolved or dispersed into an organic solvent, the solution or dispersion liquid is emulsified and dispersed into an aqueous medium, and the compound having active hydrogen groups and the modified polyester resin are subjected to extension and/or crosslinking reaction in the existence of a tertiary amine compound as a reaction promotor. Therein, the content of the tertiary amine compound in the produced toner is 0.3 wt.% or less. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有优异的低温定影性的调色剂，具有耐热粘合性和耐热储存性两者，并且也具有优异的带电性。调色剂至少包含着色剂和粘合剂树脂，并用于显影静电潜像。调色剂的制备如下：含有具有活性氢基团的化合物的调色剂组合物和包含能够与具有活性氢基团的化合物反应的改性聚酯树脂的粘合剂组分溶解或分散在有机溶剂中，将该溶液或分散液乳化并分散到水性介质，具有活性氢基团的化合物和改性聚酯树脂在作为反应促进剂的叔胺化合物的存在下进行扩展和/或交联反应。其中，所制造的调色剂中叔胺化合物的含量为0.3重量％以下。版权所有（C）2005，JPO＆NCIPI

47. 发明专利

JP2005250456A Toner, and developer, container packed with toner, process cartridge, image forming apparatus and method for forming image 有权
标题翻译：调色剂和开发者，用墨粉盒包装的容器，过程盒，图像形成装置和形成图像的方法
公开(公告)号：JP2005250456A
公开(公告)日：2005-09-15
申请号：JP2005015248
申请日：2005-01-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOBAN AKIHIRO , MOCHIZUKI MASARU , NAKAJIMA HISASHI , ASAHINA YASUO , UCHINOKURA OSAMU , ISHII MASAYUKI , ICHIKAWA TOMOYUKI , NAKAYAMA SHINYA , SAKATA KOICHI , UCHIUMI TOMOKO , IWATSUKI HITOSHI , IWAMOTO YASUTAKA , SUGIURA HIDEKI , TOMITA MASAMI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide a toner which realizes high packing property of the toner in a toner image, a high-definition image with small layer thickness of the image, and stable cleaning property for a long time, to provide a developer capable of realizing high image quality by using the toner, and to provide a container packed with toner, a process cartridge, an image forming apparatus and a method for forming an image by using the above toner. SOLUTION: The toner contains a toner material containing at least a binder resin and a colorant, and is spherical having a rugged surface. The shape factor SF-1 representing the spherical degree of the toner ranges from 105 to 180, and the shape factor SF-2 representing the rugged state of the toner and the volume average particle diameter of the toner show correlation. The toner has a layer containing inorganic oxide particles within 1 μm depth from the toner surface. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在调色剂图像中实现调色剂的高包装性的调色剂，具有小图像厚度的高清晰图像，并且长时间稳定的清洁性能，以提供一种能够通过使用调色剂实现高图像质量的显影剂，以及提供容纳有调色剂的容器，处理盒，图像形成装置和通过使用上述调色剂形成图像的方法。调色剂含有至少含有粘合剂树脂和着色剂的调色剂材料，并且是具有粗糙表面的球形。代表调色剂球形度的形状系数SF-1为105至180，表示调色剂粗糙状态的形状系数SF-2和调色剂的体积平均粒径显示出相关性。调色剂具有包含距调色剂表面1μm深的无机氧化物颗粒的层。版权所有（C）2005，JPO＆NCIPI

48. 发明专利

JP2004295056A Electrostatic charge image developing toner and image forming apparatus 审中-公开
公开(公告)号：JP2004295056A
公开(公告)日：2004-10-21
申请号：JP2003124539
申请日：2003-03-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ICHIKAWA TOMOYUKI , MOCHIZUKI MASARU , IWAMOTO YASUTAKA , SUGIURA HIDEKI , UMEMURA KAZUHIKO , ASAHINA YASUO , SHIMODA NAOTO , NAKAJIMA HISASHI , NAKAYAMA SHINYA , SAKATA KOICHI , UCHIUMI TOMOKO , HONDA TAKAHIRO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide an electrostatic charge image developing toner which ensures a sharp charge amount distribution, is excellent in cleanability, has good low-temperature fixability and anti-offset properties, causes neither contamination of a fixing device nor stain of an image, obtains an image with high image quality, and has good storage stability. SOLUTION: The electrostatic charge image developing toner is obtained as follows: an organic solvent phase in which at least a functional-group-containing polyester resin is dissolved and an active-hydrogen-containing compound are dispersed in an aqueous medium phase in which fine resin particles are dispersed, an extension reaction and/or a crosslinking reaction of the functional-group-containing polyester resin and the active-hydrogen-containing compound is allowed to take place, particles are formed from the resulting dispersion, and surfaces of the particles are treated with a fluorine-containing compound. The electrostatic charge image developing toner contains 0.5-5.0 wt.% of the above fine resin particles. COPYRIGHT: (C)2005,JPO&NCIPI

49. 发明专利

JP2004279478A Image forming method, image forming apparatus, and color image forming apparatus 审中-公开
标题翻译：图像形成方法，图像形成装置和彩色图像形成装置
公开(公告)号：JP2004279478A
公开(公告)日：2004-10-07
申请号：JP2003067168
申请日：2003-03-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MOCHIZUKI MASARU , IWAMOTO YASUTAKA , UMEMURA KAZUHIKO , SUGIURA HIDEKI , ICHIKAWA TOMOYUKI , NAKAYAMA SHINYA , SAKATA KOICHI , UCHIUMI TOMOKO
IPC分类号： G03G15/01 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming method and an image forming apparatus which can immediately detect soil on transfer paper or a fixing member, and prevent offset on the transfer paper or fixing member on the paper non-passage side caused by alteration of a transfer paper size width.
SOLUTION: The image forming method comprises: a step of forming a latent image on a latent image carrier; a step of developing the latent image with developer containing toner; a step of transferring the developed toner image onto transfer paper; a step of fixing the toner image on the transfer paper under heat; and a step of cleaning the latent image carrier. In the image forming method, the step of fixing the toner image on the transfer paper under heat includes: detecting soil on the transfer paper and/or fixing member with a detecting means; and rotating the cleaning members, which are accommodated in a cleaning unit comprising a rotary body, in contact with the surface of the fixing member based on the result of the detection, thereby clearing away the soil on the fixing member.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够立即检测转印纸或固定构件上的污物并且防止纸张非通过侧上的转印纸或固定构件上的偏移的图像形成方法和图像形成装置，通过改变转印纸尺寸宽度。解决方案：图像形成方法包括：在潜像载体上形成潜像的步骤; 用含有调色剂的显影剂显影潜像的步骤; 将显影的调色剂图像转印到转印纸上的步骤; 在转印纸上加热调色剂图像的步骤; 以及清洁潜像载体的步骤。在图像形成方法中，将调色剂图像定影在转印纸上的步骤包括：用检测装置检测转印纸和/或固定件上的污垢; 并且基于检测结果，旋转容纳在包括旋转体的清洁单元中的清洁构件与固定构件的表面接触，从而清除固定构件上的污垢。版权所有（C）2005，JPO＆NCIPI

50. 发明专利

JP2004279434A Electrostatic charge image developing toner, full color toner kit, image forming method, and method for measuring thermally stimulated current 审中-公开
公开(公告)号：JP2004279434A
公开(公告)日：2004-10-07
申请号：JP2003050900
申请日：2003-02-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UCHIUMI TOMOKO , MOCHIZUKI MASARU , IWAMOTO YASUTAKA , ASAHINA YASUO , SUGIURA HIDEKI , UMEMURA KAZUHIKO , SAKATA KOICHI , ICHIKAWA TOMOYUKI , NAKAYAMA SHINYA , NAKAJIMA HISASHI , SHIMODA NAOTO , HONDA TAKAHIRO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide a toner excellent in stability of a charged state, ensuring little weakly charged or reversely charged toner, and free of toner scattering, even after output of several ten thousand images in an environment at high temperature and high humidity after long-time storage in an environment at high temperature and high humidity, excellent in stability of a charged state, ensuring little weakly charged or reversely charged toner, and free of surface stain (fogging), even after output of several ten thousand images in an environment at low temperature and low humidity as well as in an environment at normal temperature and normal pressure, and having satisfactory coloring property, light resistance, transparency, color developing property, sharpness, color reproducing property, saturation and gloss even after output of several ten thousand images, and to provide a developer, an image forming method and an image forming apparatus. SOLUTION: In the electrostatic charge image developing toner including at least a colorant and a binder resin, a peak of thermally stimulated current value in at least the range of 60-100°C in a temperature up process is 0.001-1 pA, wherein the peak is measured by a contact process in which the toner is charged and measurement is performed while keeping the toner in contact with an electrode. COPYRIGHT: (C)2005,JPO&NCIPI

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