公开(公告)号：US5759735A

公开(公告)日：1998-06-02

申请号：US790385

申请日：1997-01-29

申请人： Tadashi Nakamura ,  Kanshiro Okamoto ,  Hirofumi Sakita ,  Toshihiko Murakami ,  Yoshiaki Akazawa

发明人： Tadashi Nakamura ,  Kanshiro Okamoto ,  Hirofumi Sakita ,  Toshihiko Murakami ,  Yoshiaki Akazawa

IPC分类号： G03G9/087 ,  G03G9/08 ,  G03G9/09

CPC分类号： G03G9/0804 ,  G03G9/081 ,  G03G9/0812 ,  G03G9/0904

摘要： A method for preparing an electrophotographic printing-use developer by mixing components of toner material, fusing and kneading the toner material, and then crushing and classifying the toner material, includes the step of arranging carbon black which is one of the components of the toner material to contain water before the mixing step. This arrangement permits even dispersion of water in the mixture of the components, prevents the flowability of the mixture from being lowered, and achieves stable kneading. Therefore, improved dispersion of the components is achieved. Since water adsorption is stable, water-treated carbon showing reduced water segregation is obtained. Consequently, high quality less foggy images with high resolution are obtained.

摘要翻译： 通过混合调色剂材料的组分，调色剂材料的熔合和捏合，然后对调色剂材料进行粉碎和分级来制备电子照相印刷用显影剂的方法包括配置作为调色剂材料的组分之一的炭黑的步骤 在混合步骤之前含水。 这种布置允许水分散在组分的混合物中，防止混合物的流动性降低，并且实现稳定的捏合。 因此，实现了组分的改进的分散。 由于水的吸附是稳定的，因此获得了表现出减少的水分离的水处理碳。 因此，获得高分辨率的高质量较少的有雾图像。

公开(公告)号：US5974280A

公开(公告)日：1999-10-26

申请号：US97232

申请日：1998-06-12

申请人： Yuichiro Takesue ,  Yoshiaki Akazawa ,  Tadashi Nakamura ,  Toshihiko Murakami ,  Junichi Saito ,  Tadayuki Sawai

发明人： Yuichiro Takesue ,  Yoshiaki Akazawa ,  Tadashi Nakamura ,  Toshihiko Murakami ,  Junichi Saito ,  Tadayuki Sawai

IPC分类号： G03G15/00 ,  G03G15/043 ,  G03G15/08 ,  G03G21/14

CPC分类号： G03G15/0822 ,  G03G15/043 ,  G03G15/0849 ,  G03G15/0853

摘要： An image forming device includes an optical system for forming an electrostatic latent image on a photosensitive body by exposure of an original in light, a development system for developing the electrostatic latent image, and a control system for controlling the optical system and the development system. The control system detects the concentration of a toner in a developing agent tank, calculating a difference between the detected toner concentration and a predetermined toner concentration, replenishing the toner to the developing agent tank until the detected toner concentration makes a recovery to the predetermined toner concentration, clocking a time period for the recovery and controlling at least one of the amount of the exposure light and the amount of the toner adhering to a photosensitive body based on the clocked time period for the recovery.

摘要翻译： 图像形成装置包括：用于通过曝光原稿在光敏体上形成静电潜像的光学系统，用于显影静电潜像的显影系统，以及用于控制光学系统和显影系统的控制系统。 控制系统检测显影剂罐中的调色剂的浓度，计算检测到的调色剂浓度与预定调色剂浓度之间的差异，将调色剂补充到显影剂槽直到检测到的调色剂浓度恢复到预定调色剂浓度 计时用于恢复的时间段，并且基于用于恢复的时钟周期来控制曝光光的量和粘附到感光体的调色剂的量中的至少一个。

公开(公告)号：US5846683A

公开(公告)日：1998-12-08

申请号：US816391

申请日：1997-03-13

申请人： Toshihiko Murakami ,  Tadashi Nakamura ,  Junichi Saito ,  Yasuharu Morinishi ,  Takeaki Ouchi ,  Satoshi Ogawa ,  Yoshiaki Akazawa

发明人： Toshihiko Murakami ,  Tadashi Nakamura ,  Junichi Saito ,  Yasuharu Morinishi ,  Takeaki Ouchi ,  Satoshi Ogawa ,  Yoshiaki Akazawa

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08797 ,  G03G9/081 ,  G03G9/08711

摘要： The extra-fine toner arising in the toner producing process, is returned to the mixing step where it is mixed again with the binder resin and the coloring agent, and the compound is sent out to the kneading step. In this procedure, the particle size of the binder resin is set in accordance with the particle size and blending amount of the extra-fine toner, the kind of the binder resin, etc. By using the binder resin having the thus determined particle size, the amount of the binder to be fed into the mixer or the amount of the compound ejected from the mixer are maintained uniform. Further, when the extra-fine toner is mixed with the starting materials, the blending ratio of the extra-fine toner to the starting material is set between 5 wt. % and 10 wt. %, and the blending ratios of the charge control agent and the coloring agent are set equal to those of the normal process where no recycled toner is added.

摘要翻译： 在调色剂生产过程中产生的超细调色剂返回到混合步骤中，再次与粘合剂树脂和着色剂混合，并将化合物送出到捏合步骤。 在该方法中，粘合剂树脂的粒径根据超细调色剂的粒度和配合量，粘合剂树脂的种类等进行设定。通过使用具有如此确定的粒径的粘合剂树脂， 进料到混合器中的粘合剂的量或从混合器喷出的化合物的量保持均匀。 此外，当超细调色剂与原料混合时，超细调色剂与起始原料的混合比设定在5重量％ ％和10wt。 ％，并且电荷控制剂和着色剂的混合比设定为不加入再循环调色剂的常规方法的混合比。

公开(公告)号：US5981129A

公开(公告)日：1999-11-09

申请号：US25113

申请日：1998-02-17

申请人： Yoshiaki Akazawa ,  Toshihiko Murakami ,  Tatuo Imafuku ,  Takeaki Ohuchi ,  Yasuharu Morinishi ,  Satoshi Ogawa ,  Tadashi Nakamura ,  Hitoshi Nagahama ,  Toshihisa Ishida

发明人： Yoshiaki Akazawa ,  Toshihiko Murakami ,  Tatuo Imafuku ,  Takeaki Ohuchi ,  Yasuharu Morinishi ,  Satoshi Ogawa ,  Tadashi Nakamura ,  Hitoshi Nagahama ,  Toshihisa Ishida

IPC分类号： G03G9/08 ,  G03G9/093

CPC分类号： G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/093 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/0935 ,  G03G9/09364 ,  G03G9/09392

摘要： An electrophotographic toner is made up of toner particles composed of irregularly-shaped core particles made chiefly of binder resin, and surface-modifying fine particles which are first dispersed over and attached to the surface of the core particles, and then affixed or formed into a film thereon. The BET specific surface area, based on N.sub.2 adsorption, of the toner particles is less than 0.64 times the BET specific surface area of the core particles and surface-modifying fine particles combined together. Further, this value is 1.07 times the BET specific surface area of hypothetical toner particles which are perfect spheres. Consequently, the toner is not prone to problems such as filming, toner scattering, and fogging which are caused by peeling, separation, etc. of the surface-modifying fine particles, nor to poor cleaning due to spherical toner particles. Further, since the toner is manufactured with a quantitative grasp of the state of modification of the surface of the core particles by the surface-modifying fine particles, it is a toner in a stable state.

摘要翻译： 电子照相调色剂由主要由粘合剂树脂制成的不规则形状的核心颗粒和首先分散在核颗粒表面上并附着在核颗粒表面上的表面改性微粒组成的调色剂颗粒组成，然后固定或形成为 膜上。 调色剂颗粒的基于N2吸附的BET比表面积小于核心颗粒的BET比表面积和结合在一起的表面改性微粒的0.64倍。 此外，该值是完美球体的假想调色剂颗粒的BET比表面积的1.07倍。 因此，调色剂不容易出现由表面改性微粒的剥离，分离等引起的成膜，调色剂飞散和起雾等问题，也不会由于球形调色剂颗粒而导致不良清洁。 此外，由于调色剂通过表面改性细颗粒对芯颗粒的表面的修饰状态的定量掌握来制造，所以它是调色剂处于稳定状态。

公开(公告)号：US6110635A

公开(公告)日：2000-08-29

申请号：US150738

申请日：1998-09-10

申请人： Yoshinori Urata ,  Tatsuo Imafuku ,  Toshihisa Ishida ,  Takahiro Bito ,  Tadashi Nakamura ,  Yoshiaki Akazawa ,  Yasuharu Morinishi ,  Nobuyasu Honda

发明人： Yoshinori Urata ,  Tatsuo Imafuku ,  Toshihisa Ishida ,  Takahiro Bito ,  Tadashi Nakamura ,  Yoshiaki Akazawa ,  Yasuharu Morinishi ,  Nobuyasu Honda

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/08704 ,  G03G9/0825 ,  G03G9/08782

摘要： A binder resin as the main component of the toner has a low molecular weight polypropylene as a separating agent, encapsulated therein. Using this binder a toner with the wax having a diameter of 0.3 .mu.m or less dispersed therein is produced. The wax is included 0.5 part to 5 parts by weight for 100 parts by weight of the binder resin. This limitation of the toner prevents the setoff phenomenon during the fixing process and at the same time prevents the filming phenomenon over the photoreceptor and achieves an improved fixing performance.

摘要翻译： 作为调色剂的主要成分的粘合剂树脂具有作为分离剂的低分子量聚丙烯，被封装在其中。 使用该粘合剂制造分散有直径为0.3μm以下的蜡的调色剂。 对于100重量份的粘合剂树脂，蜡包含0.5重量份至5重量份。 调色剂的这种限制防止了定影过程中的咬合现象，并且同时防止了感光体上的成膜现象并且实现了改进的定影性能。

公开(公告)号：US5799881A

公开(公告)日：1998-09-01

申请号：US792452

申请日：1997-01-31

申请人： Yoshinori Urata ,  Takao Yoneda ,  Yoshiaki Akazawa ,  Yasuharu Morinishi ,  Nobuhiko Nakano ,  Tadashi Nakamura ,  Takeaki Ouchi ,  Satoshi Ogawa

发明人： Yoshinori Urata ,  Takao Yoneda ,  Yoshiaki Akazawa ,  Yasuharu Morinishi ,  Nobuhiko Nakano ,  Tadashi Nakamura ,  Takeaki Ouchi ,  Satoshi Ogawa

IPC分类号： G03G9/08 ,  B02C19/06 ,  B29B13/10 ,  G03G9/087

CPC分类号： B02C19/066

摘要： A toner producing system which can efficiently produce toner having a sharp particle size distribution by suppressing the occurrence of microscopic powders and improve energy efficiency in pulverization. The system is furnished with a second pulverizing apparatus having a second colliding plate inclined at an angle in a range between 45.degree. and 90.degree. inclusive with respect to a direction in which a raw material subject to pulverization is introduced into a second pulverizing chamber through a second nozzle, and a third pulverizing apparatus having a third colliding plate with a conical member being placed thereon, so that the raw material introduced into a third pulverizing chamber through a third nozzle collides with an inner surface thereof following the collision with the third colliding plate.

摘要翻译： 一种调色剂生产系统，其可以通过抑制微粉末的发生和提高粉碎的能量效率来有效地生产具有尖锐的粒度分布的调色剂。 该系统具有第二粉碎装置，该第二粉碎装置具有相对于经受粉碎的原料被引入第二粉碎室中的方向倾斜45度至90度之间的角度的第二碰撞板， 第二喷嘴和具有第三碰撞板的第三粉碎装置，其具有圆锥形构件，使得通过第三喷嘴引入第三粉碎室的原料在与第三碰撞板碰撞之后与其内表面碰撞 。

公开(公告)号：US08609316B2

公开(公告)日：2013-12-17

申请号：US12986790

申请日：2011-01-07

申请人： Takashi Hara ,  Yoshiaki Akazawa ,  Yoshitaka Kawase ,  Yoritaka Tsubaki ,  Yoshinori Mutoh ,  Keiichi Kikawa

发明人： Takashi Hara ,  Yoshiaki Akazawa ,  Yoshitaka Kawase ,  Yoritaka Tsubaki ,  Yoshinori Mutoh ,  Keiichi Kikawa

IPC分类号： G03G9/093

CPC分类号： G03G9/09392 ,  G03G9/09371 ,  G03G9/09378

摘要： A method for manufacturing a capsule toner having improved preservability with no deterioration in low-temperature fixability is provided. The method for manufacturing a capsule toner includes a mixed fine resin particle adhering step of adhering mixed fine resin particles including crystalline polyester fine resin particles and amorphous fine resin particles to surfaces of toner base particles to form mixed fine resin particle-adhered particles, a spraying step of spraying a mixed solution of a liquid for plasticizing the toner base particles and the mixed fine resin particles and a crystal nucleating agent, while fluidizing the mixed fine resin particle-adhered particles, and a film-forming step of making a film of the mixed fine resin particles by impact force so that the film is a resin coating layer on the surfaces of the toner base particles.

摘要翻译： 提供了一种制造具有改进的保存性而不降低低温定影性的胶囊调色剂的方法。 胶囊调色剂的制造方法包括将包含结晶性聚酯树脂微粒和无定形细小树脂粒子的混合精细树脂颗粒粘附到调色剂基础颗粒表面以形成混合的细颗粒粘附颗粒的混合细颗粒粘附步骤，喷涂 在将混合的细树脂颗粒附着颗粒流化的同时，喷涂用于塑化调色剂基础颗粒和混合的细颗粒树脂颗粒和晶体成核剂的液体的混合溶液的步骤;以及成膜步骤， 通过冲击力混合精细树脂颗粒，使得膜是调色剂基础颗粒表面上的树脂涂层。

公开(公告)号：US20090098475A1

公开(公告)日：2009-04-16

申请号：US12249257

申请日：2008-10-10

申请人： Saori YAMADA ,  Yoshitaka KAWASE ,  Yoshiaki Akazawa

发明人： Saori YAMADA ,  Yoshitaka KAWASE ,  Yoshiaki Akazawa

IPC分类号： G03G9/097 ,  G03G5/00

CPC分类号： G03G9/09392 ,  G03G9/09328 ,  G03G9/09335

摘要： There are provided a toner, a method of manufacturing the toner, a two-component developer, a developing device, and an image forming apparatus, which are excellent in a charge rising property, environmental stability, and life stability during printing and which cause less fogging. The toner contains a core particle containing binder resin and colorant, and a coating layer which contains resin and a charge control agent and is formed on a surface of the core particle. At least a part of the resin contained in the coating layer is melt-bonded to the core particle, and the charge control agent is dispersed and immobilized in the coating layer. The dispersed charge control agent has a dispersion diameter of less than 1 μm.

摘要翻译： 提供调色剂，制造调色剂的方法，双组分显影剂，显影装置和图像形成装置，其在打印期间的电荷上升性，环境稳定性和寿命稳定性优异，并且导致较少 起雾。 调色剂含有含有粘合剂树脂和着色剂的核心颗粒，以及包含树脂和电荷控制剂并形成在芯颗粒的表面上的涂层。 包覆在涂层中的树脂的至少一部分与核心颗粒熔融粘结，电荷控制剂分散固定在涂层中。 分散电荷控制剂的分散直径小于1μm。

公开(公告)号：US20110059394A1

公开(公告)日：2011-03-10

申请号：US12878415

申请日：2010-09-09

申请人： Yoshinori MUTOH ,  Yoshiaki Akazawa ,  Yoshitaka Kawase ,  Yoritaka Tsubaki ,  Keiichi Kikawa ,  Takashi Hara

发明人： Yoshinori MUTOH ,  Yoshiaki Akazawa ,  Yoshitaka Kawase ,  Yoritaka Tsubaki ,  Keiichi Kikawa ,  Takashi Hara

IPC分类号： G03G9/08 ,  G03G9/09

CPC分类号： G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09321 ,  G03G9/09335 ,  G03G9/09371 ,  G03G9/09392

摘要： There are provided a capsule toner, a two-component developer, and a capsule toner manufacturing method. The capsule toner in which a resin coating layer made of fine release-agent particles and fine resin particles is made on the surfaces of toner base particles, and thus excellent offset resistance without impairing blocking resistance can be obtained. The capsule toner includes toner base particles containing a binder resin and a colorant, and a resin coating layer made of fine release-agent particles and fine resin particles, for covering the surfaces of the toner base particles. The fine release-agent particles are dispersed in the resin coating layer.

摘要翻译： 提供了胶囊调色剂，双组分显影剂和胶囊调色剂制造方法。 可以获得在调色剂基础颗粒的表面上形成由微细的脱模剂颗粒和细小树脂颗粒制成的树脂涂层的胶囊调色剂，从而在不损害粘合阻力的情况下获得极好的耐偏移性。 胶囊调色剂包括含有粘合剂树脂和着色剂的调色剂基础颗粒，以及用于覆盖调色剂基础颗粒的表面的由微细脱模剂颗粒和细小树脂颗粒制成的树脂涂层。 细分离剂颗粒分散在树脂涂层中。

公开(公告)号：US07820351B2

公开(公告)日：2010-10-26

申请号：US11645587

申请日：2006-12-27

申请人： Masao Suzuki ,  Yoshiaki Akazawa ,  Hiroshi Onda ,  Satoshi Ogawa ,  Yoshinori Yamamoto

发明人： Masao Suzuki ,  Yoshiaki Akazawa ,  Hiroshi Onda ,  Satoshi Ogawa ,  Yoshinori Yamamoto

IPC分类号： G03G9/08

CPC分类号： G03G9/0819 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0817 ,  G03G9/0827 ,  G03G9/107

摘要： An image forming apparatus for forming images with a toner and includes an image forming section, a paper feeding section and an image reading section, in which the non-magnetic toner is as follows: the particle size D10V and the particle size D90V of the toner satisfy the following formula (1), the particle size D50V is from 5 to 8 μm, and the content of the toner particles having a particle size of at most 5 μm is from 15 to 35% by number: 0.415≦(D10V−D90V)/D10V≦0.475  (1) wherein D10V, D50V and D90V each are a particle size where a cumulative volume from the large particle size side in the cumulative volume distribution of the toner particles reaches 10%, 50% and 90%, respectively.

摘要翻译： 一种用调色剂形成图像并包括图像形成部分，供纸部分和图像读取部分的图像形成装置，其中非磁性调色剂如下：颗粒尺寸D10V和调色剂的颗粒尺寸D90V 满足下式（1），粒径D50V为5〜8μm，粒径为5μm以下的调色剂颗粒的含量为15〜35数量％：0.415＆lt;（D10V- D90V）/D10V≦̸0.475（1）其中D10V，D50V和D90V各自是粒径，其中调色剂颗粒的累积体积分布中来自大粒径侧的累积体积分别达到10％，50％和90％ 。