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1. 发明专利

JP2007086532A Development method and image forming method 审中-公开
标题翻译：开发方法和图像形成方法
公开(公告)号：JP2007086532A
公开(公告)日：2007-04-05
申请号：JP2005276579
申请日：2005-09-22
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： INOUE TOYOFUMI , TAKEDA TOMOHIRO , ISHIZUKA DAISUKE
IPC分类号： G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a development method capable of outputting a stable image by suppressing the occurrence of fogging even right after replenishing of a developer, and an image forming method. SOLUTION: The development method comprises supplying the developer onto a developer carrier by a developer supplying member adjacent to the developer carrier during replenishment of the developer for replenishment when the developer decreases to a specified amount or below in a housing chamber housing the developer, and forming the developer layer of a prescribed amount of electrostatic charge and layer thickness on the developer carrier by a layer regulating member and developing the latent image of the latent image carrier via the developer layer. The difference between the amount of the total energy of the developer in the case ventilation is not performed and that in the case the ventilation is performed at 10 ml/min at the time of measuring the amount of the total energy at the approach angle -5° of a rotor at a rotor tip speed 100 mm/sec in a powder rheometer is 300 to 400 mJ. An image forming apparatus adopting the above development method is provided. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过在补充显影剂之后甚至抑制雾化的发生而输出稳定图像的显影方法和图像形成方法。解决方案：显影方法包括在显影剂补充期间在显影剂补充期间当显影剂在容纳显影剂的容纳室中降低至指定量或更低时在显影剂载体上将显影剂供应到显影剂载体上并且通过层限制构件在显影剂载体上形成规定量的静电电荷和层厚度的显影剂层，并且经由显影剂层显影潜像载体的潜像。不进行通气的情况下显影剂的总能量的差别，而在进行角度为-5°时测量总能量的量时，以10ml / min的速度通气在粉末流变仪中，转子尖端速度为100mm / sec的转子的角度为300〜400mJ。提供采用上述显影方法的图像形成装置。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007086491A Magnetic one-component toner, and image forming method and image forming apparatus using same 审中-公开
标题翻译：磁性单组分调色剂和图像形成方法和使用相同的图像形成装置
公开(公告)号：JP2007086491A
公开(公告)日：2007-04-05
申请号：JP2005276068
申请日：2005-09-22
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： TAKEDA TOMOHIRO , INOUE TOYOFUMI , ISHIZUKA DAISUKE
IPC分类号： G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a magnetic one-component toner capable of preventing the occurrence of a long-cycle development ghost in a magnetic one-component development system using a resin coated developing roll. SOLUTION: The magnetic one-component toner contains a binder resin and a magnetic material and is used in a development method of forming a toner image by applying an AC electric field to the developing roll the surface of which is covered with the resin and into which a magnet is incorporated while the toner is formed in a layer form to cause the transplantation of the toner from the developing roll surface to the latent image portion formed on the latent image carrier surface separately arranged to face the developing roll. The adhesion by a centrifugal method is ≤25%. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止在使用树脂涂覆显影辊的磁性单组分显影系统中发生长周期显影重影的磁性单组分调色剂。解决方案：磁性单组分调色剂含有粘合剂树脂和磁性材料，并且用于通过向显影辊施加交流电场来形成调色剂图像的显影方法，该显影辊的表面被树脂覆盖并且当调色剂以层的形式形成时，使调色剂从显影辊表面移动到形成在潜像载体表面上的潜像部分上并与显影辊分开布置的潜像部分被并入到其中。通过离心法粘附≤25％。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006072137A Toner, and developing device, image forming apparatus and image forming method using toner 有权
标题翻译：调色剂和显影装置，图像形成装置和使用调色剂的图像形成方法
公开(公告)号：JP2006072137A
公开(公告)日：2006-03-16
申请号：JP2004257488
申请日：2004-09-03
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ISHIZUKA DAISUKE , TAKEDA TOMOHIRO , OYA YASUHIRO
IPC分类号： G03G9/083 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner which can keep stable toner density and result in image formation with stable image density when the toner is used for a developing device having a mechanism of autonomously controlling toner density, and to provide a developing device, an image forming apparatus and an image forming method each using the toner. SOLUTION: The toner is used for a developing device having a mechanism of autonomously controlling toner density contains at least a binding resin, a magnetic material and a mold release agent, and has ≤140 shape factor SF-1 and a 0.05 μm to 0.25 μm average (number average) of arithmetic average height. The developing device, the image forming apparatus and the method for forming an image each using the above toner are also provided. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：当调色剂用于具有自主控制调色剂密度的机构的显影装置时，提供能够保持稳定的调色剂浓度并导致图像形成稳定的调色剂，并提供显影剂装置，图像形成装置和图像形成方法。调色剂用于具有自主控制调色剂密度的机构的显影装置，所述调色剂浓度至少包含粘合树脂，磁性材料和脱模剂，并且具有≤140形状因子SF-1和0.05μm 平均高度为0.25μm（数均）。还提供了使用上述调色剂的显影装置，图像形成装置和用于形成图像的方法。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2002116576A IMAGE FORMING METHOD 失效
公开(公告)号：JP2002116576A
公开(公告)日：2002-04-19
申请号：JP2000308021
申请日：2000-10-06
申请人： FUJI XEROX CO LTD
发明人： TAKEDA TOMOHIRO , TOMINAGA ETSUO , INOUE TOYOFUMI , TAKE MICHIO , TAKAGI SHINPEI , YOSHIDA SATOSHI , FUJII TAKAHISA , UCHIDA MASAHIRO
IPC分类号： G03G9/08 , G03G9/083 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming method by which an image defect such as toner scattering at a trailing edge is completely prevented even when processing speed is high, the speed of an electrophotographic process is made very high and also very excellent image quality is obtained. SOLUTION: In this image forming method including an electrifying stage, an exposing stage, a developing stage, a transferring stage and a fixing stage in the process of the rotation of an electrostatic latent image carrier, the circumferential speed of the electrostatic latent image carrier is >=200 mm/s, the outside diameter of a developer carrier used in the developing stage is

5. 发明专利

JP2001255692A DEVELOPER, AND METHOD OF MANUFACTURING THE SAME 失效
公开(公告)号：JP2001255692A
公开(公告)日：2001-09-21
申请号：JP2000067995
申请日：2000-03-13
申请人： FUJI XEROX CO LTD
发明人： INOUE TOYOFUMI , TOMINAGA ETSUO , TORIGOE SATORU , TAKEDA TOMOHIRO , TAKAGI SHINPEI , UCHIDA MASAHIRO , INOUE TOSHIMOTO
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a developer and a method of manufacturing the developer which hardly produces a development ghost, has high environmental stability, produces no development stripe, can form a stable image, produces no void in an image even in a contact transfer system, causes no image flow at high temperature and high humidity even when a paper having a high talc content is used, arid is free from secondary failure. SOLUTION: The developer consists of toner particles and an external additive, and the developer contains as the external additive, at least titanium oxide fine articles by 0.3 to 1.2 pts.wt. to 100 pts.wt. of the toner particles and silica fine particles by 0.8 to 1.6 pts.wt. to 100 pts.wt. of the toner particles. The titanium oxide fine particles contain SiO2, have 30 to 100 nm average primary particle size and are subjected to the treatment to impart hydrophobicity. The silica fine particles are subjected to the surface treatment with silicone oil and have 7 to 20 nm average primary particle size and 5.5 to 9.0 wt.% of carbon content derived from the silicone oil.

6. 发明专利

JP2000172003A DEVELOPER 失效
公开(公告)号：JP2000172003A
公开(公告)日：2000-06-23
申请号：JP34242398
申请日：1998-12-02
申请人： FUJI XEROX CO LTD
发明人： INOUE TOYOFUMI , TOMINAGA ETSUO , TORIGOE SATORU , TAKEDA TOMOHIRO , TAKAGI SHINPEI , FUJII TAKAHISA , UCHIDA MASAHIRO
IPC分类号： G03G9/08
摘要： PROBLEM TO BE SOLVED: To obtain a developer which hardly generates a development ghost, does not cause unevenness in image density even when the toner is allowed to stand at high temperature and high humidity, can form a stable image over a long period of time and prevents the occurrence of voids in letters even in a contact transfer system. SOLUTION: The developer contains toner particles and additives which are fine titanium dioxide particles of 30-100 nm average primary particle diameter surface-treated with a silane compound and/or a silicone oil and fine silica particles of 7-20 nm average primary particle diameter surface-treated with a silicone oil and containing 5.5-9.0 wt.% carbon derived from the silicone oil. The amount of the fine titanium dioxide particles and that of the fine silica particles are 0.3-1.2 pt.wt. and 0.8-1.6 pt.wt., respectively, based on 100 pts.wt. toner particles. The developer is preferably used as a magnetic one-component developer.

7. 发明专利

JPH1124301A ONE-COMPONENT DEVELOPING TONER AND ONE-COMPONENT DEVELOPING DEVICE USING THE SAME 失效
公开(公告)号：JPH1124301A
公开(公告)日：1999-01-29
申请号：JP17623297
申请日：1997-07-01
申请人： FUJI XEROX CO LTD
发明人： TSUCHIYA TAKASHI , WATANABE MASANOBU , TORIGOE SATORU , TAKEDA TOMOHIRO , TOMINAGA ETSUO
IPC分类号： G03G9/08 , G03G9/083 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide toner excellent in electrification characteristic and a one- component developing device preventing the occurrence of developing ghost or the adhesion of the toner whether long-term aging stress or heat stress is given or not. SOLUTION: This toner is constituted of toner particles whose volume average particle size is 3 to 10 μm, and an additive added by 0.5 to 2.5 pts.wt. to 100 pts.wt. toner particles. In such toner, the weight ratio of the quantity of the additive which is not separated from the toner particles after the application of ultrasonic oscillation with 20 kHz of frequency and 60W of electricity for 30 minutes to the quantity of the additive before the application of the ultrasonic oscillation is within 10 to 30%. This device in which the above toner is used as developer is provided with a developer carrier 6 carrying the developer to a developing area A and a developer regulating member 7. In the carrier 6, the surface of a developing sleeve 4 is constituted of a resin layer 4b incorporating conductive particles, and the effective line length of

8. 发明专利

JP2008096899A Developer, process cartridge, and image forming apparatus 审中-公开
标题翻译：开发商，工艺盒和图像形成装置
公开(公告)号：JP2008096899A
公开(公告)日：2008-04-24
申请号：JP2006281479
申请日：2006-10-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： TAKEDA TOMOHIRO , INOUE TOYOFUMI , ISHIZUKA DAISUKE
IPC分类号： G03G9/08 , G03G15/08
CPC分类号： G03G9/09725 , G03G9/0819 , G03G9/09708 , G03G9/09716 , G03G2221/183
摘要： PROBLEM TO BE SOLVED: To provide a developer, a process cartridge and an image forming apparatus where the storage capacity of a developer is secured without reducing space for developer storage in a process cartridge, a long life and the miniaturization of a machine can be made consistent, unevenness of density is not substantially generated, and a stable picture quality can be maintained. SOLUTION: In the developer, an AR (aeration ratio) measured with a powder rheometer is 5.0 to 10.0. Further, the process cartridge comprises: an image carrier; and a development device for visualizing a latent image formed on the image carrier with a developer. The development device has a plurality of developer storage parts, and the aeration ratio AR of the developer measured with a powder rheometer is 5.0 to 10.0. Further, the image forming apparatus is provided with the process cartridge. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影剂，处理盒和图像形成装置，其中确保显影剂的存储容量，而不会减少处理盒中的显影剂储存空间，使用寿命长和机器小型化可以使其一致，实质上不产生密度不均匀，可以保持稳定的图像质量。解决方案：在显影剂中，用粉末流变仪测量的AR（曝气比）为5.0至10.0。此外，处理盒包括：图像载体; 以及用显影剂使形成在图像载体上的潜像可视化的显影装置。显影装置具有多个显影剂储存部，用粉末流变仪测定的显影剂的曝气比AR为5.0〜10.0。此外，图像形成装置设置有处理盒。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2002162843A IMAGE FORMING METHOD 失效
公开(公告)号：JP2002162843A
公开(公告)日：2002-06-07
申请号：JP2000357841
申请日：2000-11-24
申请人： FUJI XEROX CO LTD
发明人： TAKEDA TOMOHIRO , INOUE TOYOFUMI , TAKE MICHIO , TAKAGI SHINPEI , YOSHIDA SATOSHI , FUJII TAKAHISA , UCHIDA MASAHIRO
IPC分类号： G03G9/083 , G03G15/08 , G03G15/16 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming method which includes a transfer process step by a contact electrostatic charging system and is capable of sufficiently suppressing the wear of an image carrying member without the occurrence of image drop-out and obtaining sufficiently good image quality for a long period of time even when an electrophotographic process is speeded up and thick forms, such as OHP sheets, are used. SOLUTION: This image forming method includes an electrostatic latent image forming process step, developing process step, transfer process step and fixing process step, in which the circumferential speed of the latent image carrying member 1 is >=200 mm/s; the external diameter of the developer carrying member possessed by a developing means 4 is =70 wt.% in the flying rate when a DC voltage of 3 kV is impressed thereto is used as the developer.

10. 发明专利

JP2002082528A ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD 失效
公开(公告)号：JP2002082528A
公开(公告)日：2002-03-22
申请号：JP2000270507
申请日：2000-09-06
申请人： FUJI XEROX CO LTD
发明人： INOUE TOYOFUMI , UCHIDA MASAHIRO , TOMINAGA ETSUO , TAKE MICHIO , TAKEDA TOMOHIRO , TAKAGI SHINPEI , YOSHIDA SATOSHI , FUJII TAKAHISA
IPC分类号： G03G9/083 , G03G13/09 , G03G15/08 , G03G15/09 , G03G21/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic image forming method capable of obtaining an image of high quality without causing the scattering of characters, even in the case of making the electrophotographic device small in size and light in weight, and also, even in the case of attaining a high-speed electrophotographic processing. SOLUTION: As for the electrophotographic image forming method including an electrifying process, an exposure process, a developing process and a transfer process in a process of rotating an electrostatic latent image carrier 1, the circumferential velocity of the electrostatic latent image carrier 1 is controlled to be 200 to 500 mm/see. and the outside diameter of the electrostatic latent image carrier 1 is controlled to be 15 to 35 mm, the outside diameter of the developing carrier is controlled to be 10 to 25 mm, and also, magnetic one- component developer whose residual magnetization in a measured magnetic field 796 kA/m is 0.5 to 5.0 Am2/kg is used as developer.

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