公开(公告)号：US06335137B1

公开(公告)日：2002-01-01

申请号：US09597425

申请日：2000-06-19

申请人： Masanori Suzuki ,  Hiroaki Matsuda ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama

发明人： Masanori Suzuki ,  Hiroaki Matsuda ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama

IPC分类号： G03G900

CPC分类号： G03G9/08755 ,  G03G9/08795

摘要： An electrophotographic toner including at least a binder resin, a colorant, and a releasing agent, wherein the binder resin includes one or more components soluble in tetrahydrofuran, and wherein the one or more components has a molecular weight distribution such that at least one peak is present between 1,000 and 10,000, and the peak has a half width not greater than 15,000 when the molecular weight is measured by a gel permeation chromatography (GPC) method.

摘要翻译： 包括至少粘合剂树脂，着色剂和脱模剂的电子照相调色剂，其中所述粘合剂树脂包括可溶于四氢呋喃的一种或多种组分，并且其中所述一种或多种组分的分子量分布使得至少一个峰为 存在于1,000至10,000之间，并且当通过凝胶渗透色谱（GPC）方法测量分子量时，峰的半值宽度不大于15,000。

公开(公告)号：US06544704B1

公开(公告)日：2003-04-08

申请号：US10231252

申请日：2002-08-30

申请人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama ,  Fumihiro Sasaki ,  Yasuaki Iwamoto ,  Hiroshi Nakai ,  Kumi Hasegawa

发明人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama ,  Fumihiro Sasaki ,  Yasuaki Iwamoto ,  Hiroshi Nakai ,  Kumi Hasegawa

IPC分类号： G03G9087

CPC分类号： G03G9/08795 ,  G03G9/107

摘要： A two-component developer comprises a toner which contains at least a resin and a colorant and to which an external additive is added, and a carrier. The toner has a number average molecular weight (Mn) not greater than 3,000 and contains particles having a molecular weight not greater than 1,000 in an amount not less than 40 number %. The carrier satisfies the relation 3,000,000≦&sgr;1000×Dc3≦20,000,00  (1) where &sgr;1000 represents a magnetization (emu/g) of the carrier at 1,000 oersted, and Dc represents a volume average particle diameter (&mgr;m) of the carrier.

摘要翻译： 双组分显影剂包括至少包含树脂和着色剂并且添加有外部添加剂的调色剂和载体。 调色剂的数均分子量（Mn）不大于3,000，并且含有不小于40数量％的分子量不大于1,000的颗粒。 载体满足关系，其中σ1000表示载体在1,000奥斯特的磁化强度（emu / g），Dc表示载体的体积平均粒径（mum）。

公开(公告)号：US06670088B1

公开(公告)日：2003-12-30

申请号：US09276489

申请日：1999-03-25

申请人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi

发明人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi

IPC分类号： G03G9113

CPC分类号： G03G9/1136

摘要： A carrier for a two-component developer for developing a latent electrostatic image is composed of carrier particles, each of the carrier particles having a core particle and a coating layer provided on the surface of the core particle, with the coating layer containing an amino-group-containing modified silicone resin. A two-component developer is composed of a toner and the above-mentioned carrier.

摘要翻译： 用于显影静电潜像的双组分显影剂的载体由载体颗粒组成，每个载体颗粒具有芯颗粒和设置在芯颗粒表面上的涂层，涂层含有氨基 - 含有基团的改性硅树脂。 双组分显影剂由调色剂和上述载体组成。

公开(公告)号：US06656654B2

公开(公告)日：2003-12-02

申请号：US09820609

申请日：2001-03-30

申请人： Hiroto Higuchi ,  Masanori Suzuki ,  Hiroaki Matsuda ,  Akemi Sugiyama

发明人： Hiroto Higuchi ,  Masanori Suzuki ,  Hiroaki Matsuda ,  Akemi Sugiyama

IPC分类号： G03G9097

CPC分类号： G03G9/09783 ,  G03G9/08755

摘要： A toner for developing electrostatic latent images contains a coloring agent, a release agent, a binder resin including a non-linear polyester resin with a hydroxyl number of 30 to 70 mgKOH/g, and a metallic compound of an aromatic oxycarboxylic acid with a central metal having a valence of 3 or more. The toner is used in combination with a carrier to prepare a two-component developer. The toner or two-component developer is held in a container. The present invention further provides an image forming apparatus equipped with the container that holds therein the above-mentioned toner or two-component developer.

公开(公告)号：US06534232B1

公开(公告)日：2003-03-18

申请号：US09567982

申请日：2000-05-10

申请人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama

发明人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama

IPC分类号： G03G9113

CPC分类号： G03G9/1136 ,  Y10S222/01

摘要： An electrophotographic image formation method for developing a latent electrostatic image formed on a latent image bearing member with toner to a toner image, using a two-component developer including a carrier and a toner. The zoner is held on a developer bearing member, with a gap between the facing surfaces of the latent image bearing member and the developer bearing member being set in a range of 0.1 mm to 0.5 mm. The carrier includes carrier particles, each carrier particle including a core material and a coating material which is coated on the surface of the core material The coating material includes a polysiloxane resin including at least an oxygen atom (O) and a silicon atom as constituent elements therefor, with an atomic ratio of the constituent elements, O/Si, being in a range of 2.1 to 4.0, and the carrier having a specific resistivity of 109 to 1016 &OHgr;·cm. A container holding therein the two-component developer, and an electrophotographic image formation apparatus with this container incorporated therein are disclosed.

摘要翻译： 一种使用包括载体和调色剂的双组分显影剂将用调色剂形成在潜像承载部件上的静电潜像显影成调色剂图像的电子照相图像形成方法。 分隔带被保持在显影剂承载构件上，潜像承载构件的相对表面和显影剂承载构件之间的间隙被设定在0.1mm至0.5mm的范围内。 载体包括载体颗粒，每个载体颗粒包括芯材料和涂覆在芯材表面上的涂料。涂料包括至少包含氧原子（O）和硅原子作为构成元素的聚硅氧烷树脂 因此，构成元素的原子比O / Si在2.1〜4.0的范围内，载体的比电阻率为109〜1016欧米法。 公开了一种容纳双组分显影剂的容器和其中结合有该容器的电子照相图像形成装置。

公开(公告)号：US06468706B2

公开(公告)日：2002-10-22

申请号：US09862436

申请日：2001-05-23

申请人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama ,  Fumihiro Sasaki ,  Yasuaki Iwamoto ,  Hiroshi Nakai ,  Kumi Hasegawa

发明人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi ,  Tsunemi Sugiyama ,  Fumihiro Sasaki ,  Yasuaki Iwamoto ,  Hiroshi Nakai ,  Kumi Hasegawa

IPC分类号： G03G9087

CPC分类号： G03G9/08795 ,  G03G9/107

摘要： A two-component developer consists of a toner, which contains at least a resin and a colorant and to which an external additive is added, and a carrier. This two-component developer has the toner that has a number average molecular weight (Mn) of 3,000 or less and contains particles having a molecular weight of 1,000 or less at 40 number % or more, and also has the carrier that satisfies general formula (1) as follows: 3,000,000≦&sgr;1000×Dc3≦20,000,000  (1) where &sgr;1000 represents a magnetization (emu/g) of a carrier at 1,000 oersted, and Dc represents volume average particle diameter (&mgr;m) of the carrier.

摘要翻译： 双组分显影剂由包含至少一种树脂和着色剂并且加入外部添加剂的调色剂和载体组成。 该双组分显影剂具有数均分子量（Mn）为3000以下的调色剂，并且含有分子量为1,000以下的分子量在40数量％以上的颗粒，并且还具有满足通式（ 1）如下：其中sigma1000表示在1000奥斯特的载体的磁化强度（emu / g），Dc表示载体的体积平均粒径（mum）。

公开(公告)号：US06228550B1

公开(公告)日：2001-05-08

申请号：US09332898

申请日：1999-06-15

申请人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi

发明人： Hiroaki Matsuda ,  Masanori Suzuki ,  Akemi Sugiyama ,  Hiroto Higuchi

IPC分类号： G03G9113

CPC分类号： G03G9/10 ,  G03G9/08 ,  G03G9/0819 ,  G03G9/1136

摘要： A two-component developer includes a toner containing toner particles with a volume diameter of 8 &mgr;m or less, and a carrier containing carrier particles, each carrier particle including at least one core particle and a carrier core coating layer, the carrier core coating layer being made of a silicone resin and a silicone oil, the carrier having a fluidity of 45 seconds or less.

摘要翻译： 双组分显影剂包括含有体积直径为8μm或更小的调色剂颗粒的调色剂和包含载体颗粒的载体，每个载体颗粒包括至少一个芯颗粒和载体芯涂层，载体芯涂层为 由硅树脂和硅油制成，载体的流动性为45秒以下。

公开(公告)号：US07029816B2

公开(公告)日：2006-04-18

申请号：US10871009

申请日：2004-06-21

申请人： Fumihiro Sasaki ,  Mitsuo Aoki ,  Yasuaki Iwamoto ,  Naohito Shimota ,  Kazuyuki Yazaki ,  Hiroaki Matsuda ,  Hiroshi Nakai ,  Kumi Hasegawa ,  Shinichiro Yagi ,  Hiroto Higuchi ,  Akemi Sugiyama

发明人： Fumihiro Sasaki ,  Mitsuo Aoki ,  Yasuaki Iwamoto ,  Naohito Shimota ,  Kazuyuki Yazaki ,  Hiroaki Matsuda ,  Hiroshi Nakai ,  Kumi Hasegawa ,  Shinichiro Yagi ,  Hiroto Higuchi ,  Akemi Sugiyama

IPC分类号： G03G15/16

CPC分类号： G03G5/005 ,  G03G9/0827 ,  G03G13/16

摘要： An image formation method includes the steps of charging the surface of an electrophotographic photoconductor, exposing the charged photoconductor to a light image to form a latent electrostatic image on the photoconductor, developing the latent electrostatic image using a two-component developer containing a toner and a carrier to obtain a toner image, and transferring the toner image to an image receiving material directly or via an intermediate transfer member, with the photoconductor showing a surface friction coefficient of 0.40 or less, and the toner having toner particles with an average circularity of 0.930 or more.

摘要翻译： 图像形成方法包括以下步骤：对电子照相感光体的表面进行充电，将带电的感光体暴露于光图像以在感光体上形成静电潜像，使用含有调色剂的双组分显影剂和 载体以获得调色剂图像，并且将调色剂图像直接或经由中间转印部件转印到图像接收材料上，其中光电导体的表面摩擦系数为0.40或更小，并且调色剂具有平均圆形度为0.930的调色剂颗粒 或者更多。

公开(公告)号：US06667141B2

公开(公告)日：2003-12-23

申请号：US10077752

申请日：2002-02-20

申请人： Yasuaki Iwamoto ,  Fumihiro Sasaki ,  Hiroaki Matsuda ,  Hiroshi Nakai ,  Hiroto Higuchi ,  Bing Shu ,  Maiko Kondo

发明人： Yasuaki Iwamoto ,  Fumihiro Sasaki ,  Hiroaki Matsuda ,  Hiroshi Nakai ,  Hiroto Higuchi ,  Bing Shu ,  Maiko Kondo

IPC分类号： G03G1316

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/08795 ,  G03G13/025 ,  G03G2215/021

摘要： An image forming method and apparatus, wherein a surface of a photoconductor is charged with a contact-type charging roller having a surface roughness of 2-40 &mgr;m, and exposed imagewise to form an electrostatic latent image thereon, the latent image being developed with a toner, transferred to a transfer member and fixed, and wherein the toner comprises a colorant, and a binder resin containing a tetrahydrofuran-soluble component having such a molecular weight distribution that at least one peak having a half width not greater than 15,000 is present between 1,000 and 10,000 when measured by gel permeation chromatography.

公开(公告)号：US06813461B2

公开(公告)日：2004-11-02

申请号：US10786548

申请日：2004-02-26

申请人： Hiroto Higuchi ,  Fumihiro Sasaki ,  Yasuaki Iwamoto ,  Hiroshi Nakai ,  Bing Shu ,  Hiroaki Matsuda ,  Maiko Kondo

发明人： Hiroto Higuchi ,  Fumihiro Sasaki ,  Yasuaki Iwamoto ,  Hiroshi Nakai ,  Bing Shu ,  Hiroaki Matsuda ,  Maiko Kondo

IPC分类号： G03G1508

CPC分类号： G03G9/08782 ,  G03G9/0808

摘要： A toner including toner particles including a binder resin and a release agent, wherein when the toner is molded into a plate upon application of a pressure of 478 kg/cm2, the toner plate has a surface having a coefficient of static friction of from 0.20 to 0.40. An image forming apparatus including an image bearing member, an image developer to form a toner image on the image bearing member, an image transferer configured to transfer the toner image on a receiving material and a fixer configured to fix the toner image thereon, wherein the apparatus has a waiting time not longer than 15 seconds, and a maximum power consumption not greater than 1.5 KW and 30 W in an image forming state and in a standby state, respectively, wherein the toner is the toner mentioned above.

摘要翻译： 一种调色剂，包括包含粘合剂树脂和脱模剂的调色剂颗粒，其中当施加478kg / cm 2的压力将调色剂模塑成板时，调色剂板具有具有静态摩擦系数 从0.20到0.40。 一种图像形成装置，包括图像承载部件，图像显影剂，以在图像承载部件上形成调色剂图像;图像转印器，被配置为将调色剂图像转印在接收材料上;以及定影器，其被配置为将调色剂图像固定在其上， 设备具有不超过15秒的等待时间，在图像形成状态和待机状态下的最大功耗不大于1.5KW和30W，其中调色剂是上述调色剂。