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1. 发明专利

JP2015007771A 磁性キャリア、二成分系現像剤、補給用現像剤、及び画像形成方法审中-公开
标题翻译：磁性载体，双组分开发商，代理开发商和图像形成方法
公开(公告)号：JP2015007771A
公开(公告)日：2015-01-15
申请号：JP2014111905
申请日：2014-05-30
申请人：キヤノン株式会社 , Canon Inc
发明人： IIDA HAGUMU , MINAGAWA HIRONORI , SUGAWARA NOBUYOSHI , ONOZAKI YUTO , YOSHIFUKU MINORU
IPC分类号： G03G9/107 , G03G9/08 , G03G9/113 , G03G15/08
CPC分类号： G03G9/1132 , G03G9/10 , G03G9/107 , G03G9/1075 , G03G9/113 , G03G9/1133 , G03G9/1136
摘要：【課題】磁性キャリア粒子の破壊によるキャリア付着や電子写真装置への損傷を防ぎ、かつ長期使用においても帯電付与能が安定し、現像性が低下しない磁性キャリアを提供する。【解決手段】多孔質磁性粒子の空孔に樹脂が充填された粒子の表面に、樹脂被覆層を有する磁性キャリアであって、i)多孔質磁性粒子の表面粗さRaが0.180μm以上0.250μm以下であり、ii)細孔径が0.40μm以上1.00μm以下であり、iii)多孔質磁性粒子100質量部に対して、充填樹脂量が3.0質量部以上5.5質量部以下であり、iv)多孔質磁性粒子100質量部に対して、被覆樹脂量が1.0質量部以上3.0質量部以下であり、v)磁性キャリアの表面粗さRaが0.160μm以上0.220μm以下であることを特徴とする。【選択図】なし
摘要翻译：要解决的问题：提供一种磁性载体，防止载体由于磁性载体颗粒的破坏而在电子照相设备上的粘附或损坏，即使在长期使用中也表现出稳定的电荷赋予能力并且防止显影性的降低。解决方案：磁性载体在包含多孔磁性颗粒的颗粒的表面上的树脂涂层和填充该颗粒的孔的树脂。在磁性载体中，（i）多孔磁性体的表面粗糙度Ra为0.180μm，或者为0.250μm以下，（ii）多孔磁性体的孔径为0.40μm以上1.00μm以下，（iii）相对于100质量份的多孔磁性粒子，填充孔的树脂量为3.0质量份以上且5.5质量份以下，（iv）涂布树脂量为1.0质量份，相对于100质量份的多孔磁性粒子为3.0质量份以下，（v）磁性载体的表面粗糙度Ra为0.160μm以上且0.220μm以下。

2. 发明专利

JP2013231766A Magnetic carrier, two-component developer, and image forming method using the same 审中-公开
标题翻译：磁性载体，双组分显影剂和使用其的图像形成方法
公开(公告)号：JP2013231766A
公开(公告)日：2013-11-14
申请号：JP2012102476
申请日：2012-04-27
申请人： Canon Inc , キヤノン株式会社
发明人： KAMAE KENTARO , MINAGAWA HIRONORI , SUGAWARA NOBUYOSHI , YOSHIFUKU MINORU , ISHIGAMI HISASHI , BABA YOSHINOBU , KAWAKAMI HIROAKI
IPC分类号： G03G9/113 , G03G9/107 , G03G13/09 , G03G13/16
摘要： PROBLEM TO BE SOLVED: To provide a magnetic carrier that prevents damage to an intermediate transfer body, protrusion of an electrostatic latent image carrier, carrier deposition, leakage, and density unevenness, two-component developer, and an image forming device using the same.SOLUTION: A magnetic carrier is formed by covering the surface of a porous magnetic particle with a coating resin composition. Average compressive strength of the magnetic carrier in a nanoindentation hardness tester is 50 MPa or more and 150 MPa or less. In the nanoindentation hardness tester, displacement of the magnetic carrier applied with a compression load of 8 MPa is 5.0 μm or more on average.
摘要翻译：要解决的问题：提供一种磁性载体，其防止中间转印体的损坏，静电潜像载体的突出，载体沉积，泄漏和密度不均匀，双组分显影剂和使用其的图像形成装置。解决方案：通过用涂料树脂组合物覆盖多孔磁性颗粒的表面形成磁性载体。纳米压痕硬度计中磁性载体的平均抗压强度为50MPa以上且150MPa以下。在纳米压痕硬度计中，施加8MPa的压缩载荷的磁性载体的平均位移为5.0μm以上。

3. 发明专利

JP2012137711A Replenishing cartridge and image forming method 有权
标题翻译：补充墨盒和图像形成方法
公开(公告)号：JP2012137711A
公开(公告)日：2012-07-19
申请号：JP2010291640
申请日：2010-12-28
申请人： Canon Inc , キヤノン株式会社
发明人： SUGAWARA NOBUYOSHI , IIDA HAGUMU , TAYA MASAAKI
IPC分类号： G03G9/113 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To highly achieve the stable discharging property of toner and the uniform chargeability in a developing part.SOLUTION: In a replenishing cartridge which is attachable to and detachable from an image forming device composed of a replenishing agent containing at least toner and a magnetic carrier and a container having an opening for discharging the stored replenishing agent, the container is one obtained by molding a resin composition which comprises mainly a polyester obtained by polymerizing an aromatic dicarboxylic acid and alkylene glycol and contains at least carbon black, the magnetic carrier is one in which a resin coating layer is formed on the at least magnetic carrier core surface, the resin coating layer contains fine particles having a volume resistivity value of at least 1.0×10Ω.cm or more and 1.0×10Ω.cm or less and the replenishing agent stored in the replenishing cartridge has a loose apparent density of 0.365 g/cmor more and 1.000 g/cmor less.
摘要翻译：要解决的问题：高度实现调色剂的稳定排出性能和显影部分的均匀带电性。解决方案：在可附接到可拆卸的图像形成装置的补充盒中，该成像装置由至少包含调色剂和磁性载体的补充剂和具有用于排出储存的补充剂的开口的容器组成，容器是一个通过将主要由通过使芳族二羧酸和亚烷基二醇聚合而获得的聚酯主要包含至少含有炭黑的树脂组合物而获得，所述磁性载体是在至少磁性载体芯表面上形成树脂被覆层的载体，树脂被覆层含有体积电阻率值为1.0×10 -6以上且1.0×10 19的细小颗粒， /SP>Ω.cm或更小，并且储存在补充盒中的补充剂具有0.365g / cm 2的松散表观密度 3 或更多和1.000g / cm 3 或更少。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010020060A Fixing method 审中-公开
标题翻译：固定方法
公开(公告)号：JP2010020060A
公开(公告)日：2010-01-28
申请号：JP2008179922
申请日：2008-07-10
申请人： Canon Inc , キヤノン株式会社
发明人： IIDA HAGUMU , SUGAWARA NOBUYOSHI , TAYA MASAAKI
IPC分类号： G03G15/20 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a fixing method which satisfies both of adequate image glossiness and uniformity of the image glossiness and substantially avoids a change in the glossiness even in long-term use. SOLUTION: The fixing method is a heat-pressure fixing method for fixing an unfixed toner image formed on a recording medium by a fixing means on the surface of the recording medium, wherein the toner forming the unfixed toner image includes a binder resin and a wax, and the fixing means includes a fixing member 100, a pressure member 102 and a coating means 103. The fixing member 100 and the pressure member 102 are arranged to be freely rotatable while being pressed against each other. The coating means 103 coats the fixing member with a release improver including a release agent component and an inorganic compound and having a melt viscosity of 250-700 mPa s. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种满足图像光泽度和图像光泽度均匀性两者的定影方法，并且即使在长期使用中也基本上避免了光泽度的变化。解决方案：定影方法是用于通过定影装置将形成在记录介质上的未定影调色剂图像定影在记录介质的表面上的热定影方法，其中形成未定影调色剂图像的调色剂包括粘合剂树脂和蜡，并且固定装置包括固定构件100，压力构件102和涂覆装置103.固定构件100和压力构件102被布置成在彼此压靠的同时可自由旋转。涂布装置103用包含脱模剂组分和无机化合物的释放改进剂涂覆固定构件，并且熔体粘度为250-700mPa·s。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009156915A Image forming method 有权
标题翻译：图像形成方法
公开(公告)号：JP2009156915A
公开(公告)日：2009-07-16
申请号：JP2007331900
申请日：2007-12-25
申请人： Canon Inc , キヤノン株式会社
发明人： IIDA HAGUMU , SUGAWARA NOBUYOSHI , TAYA MASAAKI
IPC分类号： G03G15/16 , G03G9/08 , G03G9/09 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming method for improving uniformity in density and efficiency of transfer, preventing the occurrence of missing and rough surface of image caused during/by transfer, maintaining long service life, and achieving easy and satisfactory cleaning of an intermediate transfer body. SOLUTION: In the image forming method for transferring toner image on a photosensitive member onto the intermediate transfer body primarily and then transferring the toner image onto a transfer material secondarily, toner C having transmission factor of 50-98% and toner A having transmission factor of 30% or less are used together, rate of elastic deformation Ea (%) of the toner A expressed by the expression: Ea (%)=(Sa-Ia)×100/Sa and rate of elastic deformation Ec (%) of the toner C expressed by the expression: Ec (%)=(Sc-Ic)×100/Sc (wherein, the maximum amount of displacement of the toner A and the toner C for load of 9.8×10 -5 N is Sa and Sc, respectively, and amount of plastic displacement of them is Ia and Ic, respectively) satisfy the following relationship: 0 COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于提高密度和转印效率的均匀性的图像形成方法，防止在传送期间/传送期间引起的图像丢失和粗糙表面的发生，保持长的使用寿命，并且实现容易和令人满意的清洗中间转印体。解决方案：在用于将感光构件上的调色剂图像主要转印到中间转印体上，然后将调色剂图像转印到转印材料上的图像形成方法中，调色剂C的透光率为50-98％，调色剂A具有透光率为30％以下，通过以下表达式表示的调色剂A的弹性变形率Ea（％）Ea（％）=（Sa-Ia）×100 / Sa和弹性变形率Ec（％）表示的调色剂C：Ec（％）=（Sc-Ic）×100 / Sc（其中，调色剂A和负载调色剂C的最大位移量为9.8×10 < 5分别为Sa和Sc，它们的塑性位移量分别为Ia和Ic）满足以下关系：0

6. 发明专利

JP2008145960A Image forming method 有权
标题翻译：图像形成方法
公开(公告)号：JP2008145960A
公开(公告)日：2008-06-26
申请号：JP2006336074
申请日：2006-12-13
申请人： Canon Inc , キヤノン株式会社
发明人： IIDA HAGUMU , SUGAWARA NOBUYOSHI , IKEDA NAOTAKA , TAYA MASAAKI
IPC分类号： G03G9/107 , G03G9/08 , G03G9/087 , G03G9/10 , G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide an image forming method that can obtain high-gradation (high contrast) high-quality images, prevent carrier sticking, and output stabilized images over a long period of time. SOLUTION: This image forming method uses an electrostatic latent image carrier, a developer carrier facing the electrostatic latent image carrier, and a magnetic roll facing the developer carrier, and includes steps of using a developing unit holding two component developer containing toner and carrier to keep this two component developer on the magnetic roll, forming a toner layer by moving the toner from the magnetic roll to the developer carrier, and developing the images by moving the toner to the static latent image, formed on the electrostatic latent image carrier, by applying an electric field between the electrostatic latent image carrier and the developer carrier. This carrier, contained in the above two component developer, has a 50% particle size (D50) in a volume of 15-70 μm and absolute specific gravity of 2.5-4.2 g/cm 3 . COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供可以获得高等级（高对比度）高质量图像的图像形成方法，防止载体粘附，并且在长时间内输出稳定的图像。解决方案：该图像形成方法使用静电潜像载体，面向静电潜像载体的显影剂载体和面向显影剂载体的磁性辊，并且包括使用保持含有调色剂的二组分显影剂的显影单元和将这种双组分显影剂保持在磁辊上，通过将调色剂从磁辊移动到显影剂载体上形成调色剂层，并通过将调色剂移动到形成在静电潜像载体上的静电潜像来显影图像通过在静电潜像载体和显影剂载体之间施加电场。包含在上述双组分显影剂中的该载体具有体积为15-70μm，绝对比重为2.5-4.2g / cm 3 SP / 3的50％粒径（D50）。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008096623A Developer for replenishment and replenishing device 审中-公开
标题翻译：代理和备案设备开发商
公开(公告)号：JP2008096623A
公开(公告)日：2008-04-24
申请号：JP2006277284
申请日：2006-10-11
申请人： Canon Inc , キヤノン株式会社
发明人： IKEDA NAOTAKA , OKADO KENJI , IIDA HAGUMU , SUGAWARA NOBUYOSHI
IPC分类号： G03G9/10 , G03G9/107 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developer for replenishment and a replenishment developer replenishing device capable of stably and efficiently supplying a developer for replenishment including toner and carrier from the replenishment developer container to a developer tank by air conveyance without segregating the carrier in the developer for replenishment. SOLUTION: The developer for replenishment, in which the carrier has specific gravity of 2.5-4.2 and a 50% particle diameter on a volume basis (D50) of 15-70 μm is transported together with an air flow from the replenishment developer container and introduced into the developer tank in an image forming apparatus. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于补充的显影剂和补充显影剂补充装置，其能够通过空气输送而将包含调色剂和载体的补充显影剂从补充显影剂容器中补充的显影剂供应到显影剂罐，而不会分离载体在开发商补货。解决方案：载体的比重为2.5-4.2，体积基准（50％）为15-70微米的50％粒径的补充显影剂与来自补充显影剂的气流一起运送容器并在图像形成装置中引入显影剂罐中。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2005181657A Two-component type developer 审中-公开
标题翻译：双组分型开发商
公开(公告)号：JP2005181657A
公开(公告)日：2005-07-07
申请号：JP2003422081
申请日：2003-12-19
申请人： Canon Inc , キヤノン株式会社
发明人： TERAUCHI KAZUO , BABA YOSHINOBU , ITAKURA TAKAYUKI , SATO YOSHIHIRO , SUGAWARA NOBUYOSHI
IPC分类号： G03G9/08 , G03G9/107
摘要： PROBLEM TO BE SOLVED: To provide a two-component type developer with which stable transfer efficiency can be obtained in spite of a multiplex transfer process and multiple kinds of transfer materials; to provide a two-component type developer with which high-sharpness images making the elongation and contraction of the images inconspicuous and free of voids can be obtained; and to provide a two-component type developer having excellent transferability, dot reproducibility and fine line reproducibility. SOLUTION: The two-component type developer is used in an image forming method having at least a developing process of forming a toner image on an electrostatic latent image carrier by developing an electrostatic latent image with the toner of the two-component type developer; and a process of transferring the toner image on the electrostatic latent image with or without an intermediate transfer member, wherein (i) the weight average grain size of the toner ranges from 3.0 to 8.0 μm, (ii) the carrier is a magnetic substance dispersion type resin carrier, (iii) the weight average grain size of the carrier ranges from 20 to 60 μm, and (iv) the angle of repose of the two-component type developer ranges from 30 to 50°. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种双组分型显影剂，尽管有多重转印方法和多种转印材料，但可以获得稳定的转印效率; 提供可以获得不清晰且无空隙的图像的伸长和收缩的高清晰度图像的双组分型显影剂; 并提供具有优异的转印性，点重现性和细线再现性的双组分型显影剂。解决方案：双组分型显影剂用于图像形成方法中，其至少具有通过用双组分型调色剂显影静电潜像在静电潜像载体上形成调色剂图像的显影过程开发商; 以及使用或不使用中间转印部件将调色剂图像转印在静电潜像上的工序，其中（i）调色剂的重均粒径为3.0〜8.0μm，（ii）载体为磁性体分散体（iii）载体的重均粒径为20〜60μm，（iv）双组分型显影剂的休止角为30〜50°。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005107517A Color toner and full-color image forming method using the color toner 有权
标题翻译：彩色调色剂和全彩色图像形成方法使用彩色调色剂
公开(公告)号：JP2005107517A
公开(公告)日：2005-04-21
申请号：JP2004264218
申请日：2004-09-10
申请人： Canon Inc , キヤノン株式会社
发明人： ISHIGAMI HISASHI , HAYAMI KAZUHIKO , KOBORI NAOKUNI , IDA TETSUYA , KOMATSU NOZOMI , HASHIMOTO AKIRA , TANIGAWA HIROHIDE , ICHIKAWA YASUHIRO , ITAKURA TAKAYUKI , FUJIKAWA HIROYUKI , SUGAWARA NOBUYOSHI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide color toner excellent in transferring property, developing property and endurance stability and to provide an image forming method. SOLUTION: In the color toner having toner particles containing at least a binder resin, a colorant and a release agent, and inorganic fine particles, (i) in the toner particles, particles having a circle-equivalent diameter of ≥3.00 μm have an average circularity of 0.920 to COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供转印性，显影性和耐久性稳定性优异的彩色调色剂，并提供图像形成方法。解决方案：在具有至少含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒和无机细颗粒的彩色调色剂中，（i）在调色剂颗粒中，具有圆当量直径≥3.00μm的颗粒平均圆形0.920至<0.950; （ii）在调色剂颗粒中圆当量直径≥3.00μm的颗粒中，圆形度≥0.960的颗粒的数频率累积值≤40％; 和（iii）在调色剂颗粒中具有圆当量直径≥3.00μm的颗粒中，圆形度≤0.920的颗粒的数量频率累积值≤30％。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005084580A Toner 有权
标题翻译：碳粉
公开(公告)号：JP2005084580A
公开(公告)日：2005-03-31
申请号：JP2003319336
申请日：2003-09-11
申请人： Canon Inc , キヤノン株式会社
发明人： SUGAWARA NOBUYOSHI , ICHIKAWA YASUHIRO , HAYAMI KAZUHIKO , HOTTA YOJIRO , KOMATSU NOZOMI , KAMITAKI TAKAAKI
IPC分类号： G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide toner having excellent low temperature fixing property, high temperature offset resistance and high durability and stability of an image and hardly causing fog. SOLUTION: The toner contains a hydrocarbon wax as a release agent which is treated with a styrene monomer and which shows two peaks in the measurement of molecular weight by GPC of the THF soluble content. Further, titanium oxide fine powder and silica fine powder both treated with silicone oil and having different BET specific surface areas from each other are externally added to prepare the toner. COPYRIGHT: (C)2005,JPO&NCIPI

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