公开(公告)号：US5463456A

公开(公告)日：1995-10-31

申请号：US253286

申请日：1994-06-03

申请人： Yuichi Yashiki ,  Masahiko Hodumi ,  Yuzuru Ohki ,  Takashi Ito ,  Fumitaka Nakjajima ,  Masakazu Mori ,  Takayoshi Aoki ,  Harumitsu Mizuishi ,  Yuusaku Shibuya

发明人： Yuichi Yashiki ,  Masahiko Hodumi ,  Yuzuru Ohki ,  Takashi Ito ,  Fumitaka Nakjajima ,  Masakazu Mori ,  Takayoshi Aoki ,  Harumitsu Mizuishi ,  Yuusaku Shibuya

IPC分类号： G03G5/00 ,  G03G5/147 ,  G03G21/00 ,  G03G21/10 ,  G03G21/16

CPC分类号： G03G21/0005 ,  G03G5/005

摘要： A photosensitive drum unit for an electrophotographic apparatus, of the type of contacting a cleaning blade to the photosensitive drum is disclosed, in which a cleaning assistant composed of a lubricant capable of lowering the frictionally charged potential of the photosensitive drum caused by the friction of the photosensitive drum and the cleaning blade to not higher than 100 V is attached to the surface of the photosensitive drum, the cleaning blade or both.

摘要翻译： 公开了一种用于电子照相设备的感光鼓单元，其是将清洁刮板与感光鼓接触的类型，其中，由能够降低由感光鼓的摩擦引起的感光鼓的摩擦电荷的润滑剂构成的清洁助手 感光鼓和清洁刮板不高于100V附着到感光鼓，清洁刮板或两者的表面上。

公开(公告)号：US06835520B2

公开(公告)日：2004-12-28

申请号：US10290300

申请日：2002-11-08

申请人： Koji Bando ,  Masahiko Hodumi ,  Takahiro Suzuki ,  Kazuhiro Koseki

发明人： Koji Bando ,  Masahiko Hodumi ,  Takahiro Suzuki ,  Kazuhiro Koseki

IPC分类号： G03G1316

CPC分类号： G03G15/75 ,  G03G5/04 ,  G03G15/162 ,  G03G2215/0119

摘要： An apparatus for forming an image is provided that can sufficiently prevent occurrence of nibbled images without any damage of the photoreceptor and the intermediate transfer body, whereby good image quality can be stably obtained for a long period of time. In an apparatus for forming an image having an intermediate transfer body, the surface of the photoreceptor has a dynamic hardness of 8×109 N/m2 or more, and the surface of the intermediate transfer body has a dynamic hardness larger than that of the surface of the photoreceptor, and a difference between the dynamic hardness of the surface of the photoreceptor and the dynamic hardness of the surface of the intermediate transfer material is 2×1010 N/m2 or less.

摘要翻译： 提供了一种用于形成图像的装置，其可以充分防止发生啃咬的图像，而不会损害感光体和中间转印体，从而可以长时间稳定地获得良好的图像质量。 在用于形成具有中间转印体的图像的装置中，感光体的表面具有8×10 9 N / m 2以上的动态硬度，并且中间转印体的表面具有大于 感光体的表面的感光体表面的动态硬度与中间转印材料表面的动态硬度之间的差异为2×10 10 N / m 2以下。

公开(公告)号：US5324606A

公开(公告)日：1994-06-28

申请号：US977633

申请日：1992-11-17

申请人： Masahiko Hodumi ,  Masanori Murase ,  Sadao Okano ,  Koji Bando ,  Takahiro Suzuki ,  Seiji Ashiya

发明人： Masahiko Hodumi ,  Masanori Murase ,  Sadao Okano ,  Koji Bando ,  Takahiro Suzuki ,  Seiji Ashiya

IPC分类号： G03G5/047 ,  G03G5/06

CPC分类号： G03G5/047 ,  G03G5/0614

摘要： An electrophotographic photoreceptor comprising a conductive substrate having thereon a photosensitive layer as the uppermost layer, in which the photosensitive layer contains two charge transporting materials different in ionization potential, a charge transporting material having a higher ionization potential is present in the amount equimolar to or in an amount less than the equimolar amount to the other charge transporting material having a lower ionization potential. A laminate type electrophotographic photoreceptor comprising a conductive substrate having thereon a charge generating layer and a charge transporting layer, in which the charge generating layer comprises a binder resin and a charge generating material dispersed therein, the charge transporting layer comprises a binder resin and at least two charge transporting materials including a first charge transporting material and a second charge transporting material, the amount of the first charge transporting material is at least 60 wt % based on the total amount of the charge transporting materials, the difference between the highest ionization potential and the lowest ionization potential the charge transporting materials is not more than 0.4 eV, provided that (1) the ionization potentials of all the charge transporting materials are lower than the ionization potential of the charge generating material, or (2) the ionization potential of the first charge transporting material is lower than the ionization potential of the charge generating material, and the ionization potential of the second charge transporting material is higher than the ionization potential of the charge generating material by at least 0.2 eV.

摘要翻译： 一种电子照相感光体，包括其上具有感光层作为最上层的导电基底，其中感光层包含两种电离电位不同的电荷输送材料，具有较高离子化电位的电荷输送材料以等摩尔于或相等的量存在 相对于具有较低电离电位的其他电荷输送材料的等摩尔量的量。 一种层叠型电子照相感光体，其特征在于，具有导电性基板，其上具有电荷产生层和电荷输送层，其中所述电荷产生层包含粘合剂树脂和分散在其中的电荷产生材料，所述电荷输送层至少包含粘合剂树脂 包括第一电荷输送材料和第二电荷输送材料的两种电荷输送材料，第一电荷输送材料的量相对于电荷输送材料的总量为至少60重量％，最高电离电位与 电荷输送材料的电离电位最低不超过0.4eV，条件是（1）所有电荷输送材料的电离电位低于电荷产生材料的电离电位，或（2） 第一电荷输送材料低于 电荷产生材料的电离电位和第二电荷输送材料的电离电位比电荷产生材料的电离电位高至少0.2eV。

公开(公告)号：US06730448B2

公开(公告)日：2004-05-04

申请号：US10227447

申请日：2002-08-26

申请人： Susumu Yoshino ,  Koutarou Yoshihara ,  Masahiko Hodumi

发明人： Susumu Yoshino ,  Koutarou Yoshihara ,  Masahiko Hodumi

IPC分类号： G03G1504

CPC分类号： G03G5/075 ,  G03G5/0507 ,  G03G5/051 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/076 ,  G03G5/078 ,  G03G2215/00957

摘要： An image forming method, a process cartridge, and an image forming apparatus are provided, with which an electrophotographic image that has superior image quality, superior fixing ability and remains good even in a hot and humid environment is obtainable. The image forming method includes: developing, with a developing agent, an electrostatic latent image formed on a surface of a photoreceptor to form a toner image; transferring the toner image onto an image receiving member to form a transfer image; and fixing the transferred image onto the image receiving member to form an image, wherein the photoreceptor includes a layer that contains a siloxane compound having charge-transferability and a crosslinking structure, with a compound having acid-adsorbing ability being supplied to the surface of the photoreceptor. The process cartridge and the image forming apparatus are used in the image forming method.

摘要翻译： 提供了一种图像形成方法，处理盒和图像形成装置，其可获得具有优异的图像质量，优异的定影能力并且即使在炎热和潮湿的环境中也保持良好的电子照相图像。 图像形成方法包括：用显影剂显影形成在感光体的表面上的静电潜像以形成调色剂图像; 将调色剂图像转印到图像接收部件上以形成转印图像; 并将转印的图像固定在图像接收部件上以形成图像，其中感光体包括含有具有电荷转移性和交联结构的硅氧烷化合物的层，具有酸吸附能力的化合物被供给到 感光器。 处理盒和图像形成装置用于图像形成方法。

公开(公告)号：US5188916A

公开(公告)日：1993-02-23

申请号：US757028

申请日：1991-09-09

申请人： Masahiko Hodumi ,  Koji Bando ,  Takahiro Suzuki ,  Shigeto Hashiba ,  Yoshiyuki Ono ,  Sadao Okano ,  Seiji Ashiya ,  Masanori Murase

发明人： Masahiko Hodumi ,  Koji Bando ,  Takahiro Suzuki ,  Shigeto Hashiba ,  Yoshiyuki Ono ,  Sadao Okano ,  Seiji Ashiya ,  Masanori Murase

IPC分类号： G03G5/14

CPC分类号： G03G5/144 ,  G03G5/142

摘要： A novel electrophotographic photoreceptor is disclosed, comprising an undercoating layer provided on an electrically conductive substrate having thereon a light-sensitive layer, wherein the undercoating layer is obtained by coating a solution of a composition comprising zirconium and silicon or a solution of a mixture of a zirconium acetyl acetonate compound and a silane coupling agent, the silicon content in the composition comprising zirconium and silicon is in the range of 5 to 35 mol % based on the total amount of zirconium and silicon, and the hardened undercoating layer obtained from the zirconium acetyl acetonate compound and silane coupling agent is a layer having a hardening degree of 1.2 or less.

摘要翻译： 公开了一种新颖的电子照相感光体，其包括设置在其上具有感光层的导电基底上的底涂层，其中底涂层是通过涂布包含锆和硅的组合物的溶液或将 乙酰丙酮锆化合物和硅烷偶联剂，包含锆和硅的组合物中的硅含量相对于锆和硅的总量为5〜35摩尔％，并且由乙酰基锆制得的硬化底涂层 丙烯酸酯化合物和硅烷偶联剂是硬化度为1.2以下的层。

公开(公告)号：US5403688A

公开(公告)日：1995-04-04

申请号：US646312

申请日：1991-01-28

申请人： Seiji Ashiya ,  Taketoshi Hoshizaki ,  Ryosaku Igarashi ,  Koji Bando ,  Masanori Murase ,  Takahiro Suzuki ,  Masahiko Hodumi ,  Sadao Okano

发明人： Seiji Ashiya ,  Taketoshi Hoshizaki ,  Ryosaku Igarashi ,  Koji Bando ,  Masanori Murase ,  Takahiro Suzuki ,  Masahiko Hodumi ,  Sadao Okano

IPC分类号： G03G5/00 ,  G03G5/05 ,  G03G15/08

CPC分类号： G03G5/0525

摘要： A method for determining a termination time of the step of dispersing a coating composition for a photosensitive layer, containing a binder resin, a powdery charge generating material and a solvent, is disclosed, which comprises (i) providing coating (I) on a substrate by coating the coating composition, following by drying, (ii) providing coating (II) on a substrate by dispersing the coating composition using a dispersion medium to fine the powdery charge generating material, followed by drying, (iii) measuring absorbances of coating (I) at two wavelengths within a short wavelength region and a long wavelength region, respectively, of the spectral absorption wavelength of the charge generating material, (iv) measuring absorbances of coating (II) at the two wavelengthes within the short wavelength region and the long wavelength region, respectively, and (v) calculating spectral absorbance ratios of coatings (I) and (II), respectively, from the following equation: ##EQU1## wherein the dispersing of the coating composition is terminated when the ratio of the spectral absorbance ratio of coating (II) to that of coating (I) exceed a predetermined value.

摘要翻译： 公开了一种用于确定分散含有粘合剂树脂，粉末电荷产生材料和溶剂的感光层用涂料组合物的步骤的终止时间的方法，其包括（i）在基材上提供涂层（I） 通过涂覆涂料组合物，然后通过干燥，（ii）通过使用分散介质分散涂料组合物在基材上提供涂层（II），以使粉末电荷产生材料细化，然后干燥，（iii）测量涂层的吸光度（ I）分别在电荷产生材料的光谱吸收波长的短波长区域和长波长区域内的两个波长处，（iv）测量短波长区域内的两个波长处的涂层（II）的吸光度，以及 分别从长波长区域和（v）分别根据以下等式计算涂层（I）和（II）的光谱吸光度比：其中，二 当涂层（II）的光谱吸收比与涂层（I）的光谱吸收比之比超过预定值时，终止涂料组合物的喷涂。