公开(公告)号：US20190011845A1

公开(公告)日：2019-01-10

申请号：US16025351

申请日：2018-07-02

申请人： Tetsuya TOSHINE ,  Mitsuaki Hirose ,  Tomoharu Asano

发明人： Tetsuya TOSHINE ,  Mitsuaki Hirose ,  Tomoharu Asano

IPC分类号： G03G5/05 ,  G03G5/047 ,  G03G5/043 ,  G03G5/147

摘要： Provided is an electrophotographic photoconductor including: a conductive support; an undercoat layer; and a photoconductive layer, wherein the undercoat layer and the photoconductive layer are provided over the conductive support in the order of reciting, wherein the undercoat layer contains at least metal oxide particles, a binder, and a salicylic acid derivative such as 4-methylsalicylic acid, wherein the metal oxide particles have a volume resistivity of 1×105 Ω·cm or higher but 1×108 Ω·cm or lower, wherein the undercoat layer has a volume resistivity of 0.001×106 Ω·cm or higher but 0.02×106 Ω·cm or lower, and wherein the undercoat layer has a thickness of 2 micrometers or greater but 20 micrometers or less.

公开(公告)号：US08486595B2

公开(公告)日：2013-07-16

申请号：US12879529

申请日：2010-09-10

申请人： Nozomu Tamoto ,  Mitsuaki Hirose ,  Hideo Nakamori

发明人： Nozomu Tamoto ,  Mitsuaki Hirose ,  Hideo Nakamori

IPC分类号： G03G5/07

CPC分类号： G03G5/0614 ,  G03G5/0672 ,  G03G5/0679 ,  G03G5/0683 ,  G03G5/0696 ,  G03G5/071

摘要： An image bearing member including an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate, and a protection layer overlying the photosensitive layer, the photosensitive layer containing a diamine compound represented by the chemical structure 1, more of the diamine compound being disposed on the photosensitive layer side than the surface side relative to the midpoint in a depth direction of the protection layer: where X represents a substituted or non-substituted arylene group, or a compound represented by a chemical structure 2: where R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, where A1, A2, A3, and A4 independently represent an alkyl group having 1 to 4 carbon atoms, a substituted or non-substituted aryl group, or —CH2(CH2)mZ, where Z represents a substituted or non-substituted aryl group, a substituted or non-substituted cycloalkyl group, and a substituted or non-substituted heterocycloalkyl group, and m represents 0 or 1, and where B1 and B2 represent —CH2—, —CH2CH2—, —CH2—Ara—, —Ara—CH2—, —CH2CH2—Ara—, and —Ara—CH2CH2—, and Ara represents a substituted or non-substituted arylene group.

摘要翻译： 包括导电基片，覆盖导电基片的感光层和覆盖感光层的保护层的图像承载部件，含有由化学结构1表示的二胺化合物的感光层，更多的二胺化合物被置于感光体上 层相对于保护层的深度方向上的中点的表面侧：其中X表示取代或未取代的亚芳基，或由化学结构2表示的化合物：其中R表示氢原子，烷基 具有1至4个碳原子的烷基或具有1至4个碳原子的烷氧基，其中A1，A2，A3和A4独立地表示具有1至4个碳原子的烷基，取代或未取代的芳基，或 -CH 2（CH 2）m Z，其中Z表示取代或未取代的芳基，取代或未取代的环烷基，取代或未取代的 取代的杂环烷基，m表示0或1，并且其中B1和B2表示-CH2-，-CH2CH2-，-CH2-Ara-，-Ara-CH2-，-CH2CH2-Ara-和-Ara-CH2CH2-， Ara表示取代或未取代的亚芳基。

公开(公告)号：US08507163B2

公开(公告)日：2013-08-13

申请号：US12635937

申请日：2009-12-11

申请人： Nozomu Tamoto ,  Hideo Nakamori ,  Mitsuaki Hirose

发明人： Nozomu Tamoto ,  Hideo Nakamori ,  Mitsuaki Hirose

IPC分类号： G03G5/00

CPC分类号： G03G5/14704 ,  G03G5/0614 ,  G03G5/0672 ,  G03G5/1473 ,  G03G5/14734 ,  G03G5/14739 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  G03G2215/00957

摘要： A method of manufacturing an image bearing member including forming a charge generation layer overlying an electroconductive substrate, forming a charge transport layer overlying the charge generation layer, the charge transport layer including a charge transport material having a molecular weight of from 600 to 900 and a binder resin, and forming a protection layer overlying the charge transport layer by applying a liquid application containing a polymerizable compound having a charge transport structure, a polymerizable compound having no charge transport structure, a filler, a polycarboxylic acid compound, and cyclopentanone and curing the polymerizable compound having a charge transport structure, and the polymerizable compound having no charge transport structure.

摘要翻译： 一种制造图像承载部件的方法，包括形成覆盖导电性基体的电荷产生层，形成覆盖电荷产生层的电荷输送层，电荷输送层包含分子量为600〜900的电荷输送材料和 粘合剂树脂，并且通过施加包含具有电荷输送结构的可聚合化合物的液体应用，不含电荷输送结构的可聚合化合物，填料，多元羧酸化合物和环戊酮，形成覆盖电荷输送层的保护层，并固化 具有电荷输送结构的聚合性化合物和不具有电荷输送结构的聚合性化合物。

公开(公告)号：US20120321348A1

公开(公告)日：2012-12-20

申请号：US13524617

申请日：2012-06-15

申请人： Noboru Toriu ,  Daisuke Kubo ,  Hideo Nakamori ,  Mitsuaki Hirose

发明人： Noboru Toriu ,  Daisuke Kubo ,  Hideo Nakamori ,  Mitsuaki Hirose

IPC分类号： G03G15/00

CPC分类号： G03G15/751

摘要： An image bearing drum having a hollow cylinder sleeve member; a photosensitive layer; a protective layer having fillers; and flange members, each of which has an attachment unit, a shaft hole unit, and a linking unit, wherein the surface of the protective layer having waviness has an arithmetical mean deviation of an assessed profile Wa (μm) of from 0.050 μm to 0.400 μm and a mean width of profile elements WSm (mm) of from 0.500 mm to 1.500 mm, and wherein the linking unit has at least one shock-absorbing hole located on a virtual line segment drawn to the shaft hole unit from the circumference of a virtually projected circle formed by projecting the outer periphery of the attachment unit axially along the shaft onto a virtual plane that contains the linking unit and is orthogonal to the shaft direction.

摘要翻译： 一种具有中空圆筒套筒构件的图像承载滚筒; 感光层; 具有填料的保护层; 和凸缘部件，每个凸缘部件都具有连接单元，轴孔单元和连接单元，其中具有波纹的保护层的表面具有从0.050μm到0.400的评估轮廓Wa（μm）的算术平均偏差 μm，并且轮廓元件WSm（mm）的平均宽度为0.500mm至1.500mm，并且其中所述连接单元具有至少一个减震孔，所述至少一个减震孔位于从所述轴孔单元的圆周方向被拉伸到所述轴孔单元的虚拟线段上 通过将连接单元的外周沿着轴轴向突出到包含连接单元并且与轴方向正交的虚拟平面上而形成的虚拟投影圆。

公开(公告)号：US08126360B2

公开(公告)日：2012-02-28

申请号：US12746417

申请日：2008-12-04

申请人： Yoshiaki Kawasaki ,  Akihiro Sugino ,  Mitsuaki Hirose ,  Susumu Muramatsu ,  Katsuo Kuribayashi ,  Shoichi Wakabayashi

发明人： Yoshiaki Kawasaki ,  Akihiro Sugino ,  Mitsuaki Hirose ,  Susumu Muramatsu ,  Katsuo Kuribayashi ,  Shoichi Wakabayashi

IPC分类号： G03G15/02

CPC分类号： G03G5/0696 ,  G03G5/00 ,  G03G5/047 ,  G03G5/0542 ,  G03G5/056 ,  G03G5/0614 ,  G03G5/102 ,  G03G5/142 ,  G03G15/751 ,  G03G21/20 ,  G03G2215/00957

摘要： There is provided a temperature control unit for an electrophotographic photoconductor substrate, containing a stretchable membrane member which is detachably disposed in a hollow space of the cylindrical substrate, wherein the membrane member is configured to sequentially stretch until reaching the deepest part of the hollow space of the cylindrical substrate as a result of an introduction of a refrigerant therein to closely contact with an entire inner wall of the cylindrical substrate, and to sequentially shrink to the original shape thereof as a result of a release of the refrigerant therefrom, so that the membrane member is detachably disposed in the hollow space, and wherein the membrane member is configured to make a heat transfer between a surface of the cylindrical substrate and the refrigerant via the membrane member closely contacted with the inner surface of the cylindrical substrate, to control a surface temperature of the cylindrical substrate.

摘要翻译： 提供了一种用于电子照相感光体基板的温度控制单元，其包含可拆卸地设置在圆柱形基板的中空空间中的可拉伸膜构件，其中所述膜构件被构造成顺序拉伸直到到达中空空间的最深部分 由于在其中引入制冷剂而与圆柱形基板的整个内壁紧密接触并由于其从其中释放制冷剂而依次收缩到其原始形状，因此圆柱形基板 构件可拆卸地设置在所述中空空间中，并且其中所述膜构件被构造成通过与所述圆筒形基板的内表面紧密接触的所述膜构件在所述圆筒形基板的表面和所述制冷剂之间进行热传递，以控制所述表面 圆柱形基底的温度。

公开(公告)号：US08927183B2

公开(公告)日：2015-01-06

申请号：US12128061

申请日：2008-05-28

申请人： Yoshiaki Kawasaki ,  Akihiro Sugino ,  Mitsuaki Hirose

发明人： Yoshiaki Kawasaki ,  Akihiro Sugino ,  Mitsuaki Hirose

IPC分类号： G03G13/14 ,  G03G5/147 ,  G03G5/05 ,  G03G15/00

CPC分类号： G03G5/1476 ,  G03G5/0567 ,  G03G5/0575 ,  G03G5/0592 ,  G03G5/14769 ,  G03G5/14791 ,  G03G15/751 ,  G03G2215/00957

摘要： A photoreceptor including an electroconductive substrate; a photosensitive layer, which is located overlying the electroconductive substrate and which includes a charge generation material, a charge transport material having no radical polymerizability, a binder resin having no radical polymerizability, and a crosslinked polymer including a unit obtained from a first radically polymerizable monomer having three or more functional groups and no charge transport structure and a unit obtained from a second radically polymerizable monomer having a charge transport structure; and an outermost layer, which is located on the photosensitive layer and which includes a crosslinked polymer including a unit obtained from a third radically polymerizable monomer having three or more functional groups and no charge transport structure and a unit obtained from a fourth radically polymerizable monomer having a charge transport structure. An image forming method and apparatus, and a process cartridge using the photoreceptor.

摘要翻译： 包含导电基片的感光体; 位于导电性基体上的感光层，其包含电荷产生材料，不具有自由基聚合性的电荷输送材料，不具有自由基聚合性的粘合剂树脂，以及包含由第一自由基聚合性单体获得的单元的交联聚合物 具有三个或更多个官能团并且不具有电荷传输结构，以及由具有电荷传输结构的第二自由基聚合单体获得的单元; 和最外层，其位于感光层上，并且包括交联聚合物，其包含由具有三个或更多个官能团并且没有电荷传输结构的第三自由基聚合单体获得的单元和由第四自由基聚合单体获得的单元，所述第四自由基聚合单体具有 电荷输送结构。 图像形成方法和装置，以及使用感光体的处理盒。

公开(公告)号：US20100260513A1

公开(公告)日：2010-10-14

申请号：US12746417

申请日：2008-12-04

申请人： Yoshiaki Kawasaki ,  Akihiro Sugino ,  Mitsuaki Hirose ,  Susumu Muramatsu ,  Katsuo Kuribayashi ,  Shoichi Wakabayashi

发明人： Yoshiaki Kawasaki ,  Akihiro Sugino ,  Mitsuaki Hirose ,  Susumu Muramatsu ,  Katsuo Kuribayashi ,  Shoichi Wakabayashi

IPC分类号： G03G15/00

CPC分类号： G03G5/0696 ,  G03G5/00 ,  G03G5/047 ,  G03G5/0542 ,  G03G5/056 ,  G03G5/0614 ,  G03G5/102 ,  G03G5/142 ,  G03G15/751 ,  G03G21/20 ,  G03G2215/00957

摘要： There is provided a temperature control unit for an electrophotographic photoconductor substrate, containing a stretchable membrane member which is detachably disposed in a hollow space of the cylindrical substrate, wherein the membrane member is configured to sequentially stretch until reaching the deepest part of the hollow space of the cylindrical substrate as a result of an introduction of a refrigerant therein to closely contact with an entire inner wall of the cylindrical substrate, and to sequentially shrink to the original shape thereof as a result of a release of the refrigerant therefrom, so that the membrane member is detachably disposed in the hollow space, and wherein the membrane member is configured to make a heat transfer between a surface of the cylindrical substrate and the refrigerant via the membrane member closely contacted with the inner surface of the cylindrical substrate, to control a surface temperature of the cylindrical substrate.

摘要翻译： 提供了一种用于电子照相感光体基板的温度控制单元，其包含可拆卸地设置在圆柱形基板的中空空间中的可拉伸膜构件，其中所述膜构件被构造成顺序拉伸直到到达中空空间的最深部分 由于在其中引入制冷剂而与圆柱形基板的整个内壁紧密接触并由于其从其中释放制冷剂而依次收缩到其原始形状，因此圆柱形基板 构件可拆卸地设置在所述中空空间中，并且其中所述膜构件被构造成通过与所述圆筒形基板的内表面紧密接触的所述膜构件在所述圆筒形基板的表面和所述制冷剂之间进行热传递，以控制所述表面 圆柱形基底的温度。

公开(公告)号：US20100330475A1

公开(公告)日：2010-12-30

申请号：US12823865

申请日：2010-06-25

申请人： Nozomu TAMOTO ,  Mitsuaki Hirose ,  Akio Kosuge ,  Makoto Yasuda

发明人： Nozomu TAMOTO ,  Mitsuaki Hirose ,  Akio Kosuge ,  Makoto Yasuda

IPC分类号： G03G15/00 ,  G03G21/00 ,  G03G21/16

CPC分类号： G03G5/14791 ,  G03G5/0614 ,  G03G5/071 ,  G03G5/147 ,  G03G5/14704 ,  G03G15/751

摘要： An image forming apparatus including an image bearing member having an electroconductive substrate on which are provided at least a photosensitive layer and a protection layer, in that sequence, a charging device that charges the surface of the image bearing member to form a latent electrostatic image thereon, a development device that develops the latent electrostatic image with a development agent containing toner to obtain a developed toner image, a cleaning device that removes toner remaining on the surface of the image bearing member and a lubricant material applicator that applies a lubricant material to the surface of the image bearing member, the protection layer containing a cured resin and a filler and the surface form of the protection layer having an arithmetical mean waviness Wa of from 0.05 to 0.3 μm and an average length WSm of profile elements of from 0.5 to 1.5 mm, which are obtained from a waviness profile obtained by filtering a coarse component with a λc profile filter of 0.25 mm and filtering a wavelength component longer than a waviness with a λf profile filter of 2.5 mm.

摘要翻译： 一种图像形成装置，包括具有导电基板的图像承载部件，至少设有感光层和保护层，依次具有对图像承载部件的表面充电以在其上形成静电潜像的充电装置， 显影装置，其用含有调色剂的显影剂显影静电潜像，以获得显影的调色剂图像;清除装置，其去除残留在图像承载部件的表面上的调色剂;以及润滑剂涂料器，其将润滑剂材料施加到 图像承载部件的表面，保护层含有固化树脂和填料，保护层的表面形状具有0.05至0.3μm的算术平均波纹度Wa和0.5-1.5的轮廓元素的平均长度WSm mm，其从通过用λc轮廓f过滤粗分量获得的波纹曲线获得 0.25mm的滤波器，并且用2.5mm的λf轮廓滤波器滤波长于波纹的波长分量。

公开(公告)号：US20220057725A1

公开(公告)日：2022-02-24

申请号：US17403409

申请日：2021-08-16

申请人： Daisuke INOUE ,  Mitsuaki Hirose ,  Yohichi Kitagawa ,  Masayuki Ukigaya ,  Kenji Komito ,  Hiroshi Yamada

发明人： Daisuke INOUE ,  Mitsuaki Hirose ,  Yohichi Kitagawa ,  Masayuki Ukigaya ,  Kenji Komito ,  Hiroshi Yamada

IPC分类号： G03G9/08 ,  G03G9/093 ,  G03G9/087 ,  G03G9/09 ,  G03G15/08 ,  G03G21/18

摘要： A toner is provided. The toner comprises toner base particles, resin particles adhered to surfaces of the toner base particles, and an external additive adhered to the surfaces of the toner base particles. The toner base particles each comprising a binder resin, a colorant, and a wax. The toner has a storage elastic modulus G′ of 4.0×105 or less at 70° C. An embedment degree of the external additive is from 15% to 40%, as the embedment degree is measured by stirring 10 g of the toner and 20 g of a carrier in a 50-mL vial at 67 Hz for 60 minutes using a rocking mill.

公开(公告)号：US5934538A

公开(公告)日：1999-08-10

申请号：US967308

申请日：1997-10-21

申请人： Mitsuaki Hirose ,  Hiroyuki Yamazaki ,  Yukiharu Uemura

发明人： Mitsuaki Hirose ,  Hiroyuki Yamazaki ,  Yukiharu Uemura

IPC分类号： G11B15/29 ,  B65H20/00

CPC分类号： G11B15/29

摘要： A pinch roller apparatus fully satisfying tape running stability and bearing durability is disclosed. A roller shaft is arranged inclined such that its tip end is closer to a capstan. A plain bearing is formed of resin having a Young's modulus of 10 kgf/mm.sup.2 to 1500 kgf/mm.sup.2. Self alignment of the pinch roller is realized by elastic deformation of the plain bearing.

摘要翻译： 公开了一种完全满足带运行稳定性和轴承耐久性的夹送辊装置。 辊轴倾斜布置，使得其末端更靠近绞盘。 滑动轴承由杨氏模量为10kgf / mm2至1500kgf / mm2的树脂形成。 夹紧辊的自对准是通过滑动轴承的弹性变形实现的。