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51. 发明专利

JP2006178005A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2006178005A
公开(公告)日：2006-07-06
申请号：JP2004368333
申请日：2004-12-20
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA KATSUMI , YAMADA WATARU , KOSEKI KAZUHIRO , YAMASHITA NORIYUKI
IPC分类号： G03G15/00 , G03G5/07 , G03G5/147 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus achieving all of high speed, high image quality and prolonged life at a high level and in a well-balanced manner. SOLUTION: The image forming apparatus comprises: an electrophotographic photoreceptor having a conductive support body and a photosensitive layer formed on the conductive support; a charging device for charging the electrophotographic photoreceptor; an exposure device for forming an electrostatic latent image by exposing the charged electrophotographic photoreceptor; a developing device for forming a toner image by developing the electrostatic latent image with toner; and a transfer device for transferring the toner image to a transfer medium, wherein the photosensitive layer has a charge transporting outermost surface layer containing a resin having a crosslinked structure on a side remotest from the conductive support. The image forming apparatus further comprises a contact member having a continuous surface configured so that a fibrous material is substantially continuously contained, wherein the contact member is disposed so that the continuous surface abuts on the outermost surface layer. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种以高水平和平衡的方式实现高速，高图像质量和长寿命的图像形成装置。图像形成装置包括：电子照相感光体，其具有形成在导电性支持体上的导电性支持体和感光层; 用于对电子照相感光体充电的充电装置; 曝光装置，用于通过曝光所述带电照相感光体来形成静电潜像; 用于通过用调色剂显影静电潜像来形成调色剂图像的显影装置; 以及用于将调色剂图像转印到转印介质的转印装置，其中感光层具有电荷输送最外表面层，该表面层包含具有交联结构的树脂，其表面远离导电性支持体。图像形成装置还包括接触构件，其具有构造成基本上连续包含纤维材料的连续表面，其中接触构件设置成使得连续表面邻接在最外表面层上。版权所有（C）2006，JPO＆NCIPI

52. 发明专利

JP2005275367A Electrophotographic photoreceptor, its manufacturing method, electrophotographic process cartridge, and image forming apparatus 审中-公开
标题翻译：电子照相光电子产品，其制造方法，电子显影工艺盒和图像形成装置
公开(公告)号：JP2005275367A
公开(公告)日：2005-10-06
申请号：JP2004369527
申请日：2004-12-21
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAO KENJI , INAGAKI TOMOTAKE , IWASAKI MASAHIRO , YAMADA WATARU , KOSEKI KAZUHIRO , NUKADA KATSUMI , SHIINO SHIGEAKI , TAKEMOTO MAKOTO , KUSAYANAGI MAKOTO , YAHAGI KOICHI , SAKASHITA HIROICHI , NISHIMURA AKIRA
IPC分类号： G03G5/05 , G03G5/047 , G03G5/06 , G03G5/07 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrographic photoreceptor which reduces occurrence of oxide deterioration caused by electification stress even during long-term use and has a high image quality and a long service life, and to provide its manufacturing method, an electrophotographic process cartridge and an image forming apparatus. SOLUTION: In the electrophotographic photoreceptor including a photosensitive layer on a conductive substrate, a top layer contains one or more kinds of resins including a bridged structure and oxygen permeability on the top layer at 25°C is 1500 fm/sPa or less. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供即使在长期使用期间也减少由于选择压力引起的氧化物劣化的发生的电摄影感光体，并且具有高图像质量和长的使用寿命，并且提供其制造方法，电子照相处理盒和图像形成装置。解决方案：在包含导电性基板上的感光层的电子照相感光体中，顶层含有一种或多种包含桥接结构的树脂和在25℃的顶层上的透氧度为1500fm / sPa以下的树脂。版权所有（C）2006，JPO＆NCIPI

53. 发明专利

JP2005266540A Image forming method and image forming apparatus 审中-公开
标题翻译：图像形成方法和图像形成装置
公开(公告)号：JP2005266540A
公开(公告)日：2005-09-29
申请号：JP2004081153
申请日：2004-03-19
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NAKAMURA MITSUHIDE , NUKADA KATSUMI , SUZUKI TAKAHIRO , KOSEKI KAZUHIRO , YAMASHITA NORIYUKI , YAMADA WATARU
IPC分类号： G03G5/147 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming method and an image forming apparatus capable of obtaining excellent image quality even in the case a gap holding member to hold a specified gap between a developing roll surface and an electrophotographic photoreceptor surface is brought into contact with a photosensitive layer of the photoreceptor and is used. SOLUTION: The image forming method comprises an electrifying step to electrify an electrophotographic photoreceptor with a conductive support body and a photosensitive layer including a protective layer by a contact electrification method by using a contact electrification member brought into contact with and disposed on the protective layer side surface thereof, an exposing step to expose the photoreceptor and to form an electrostatic latent image, a developing step to develop the electrostatic latent image by using a developing device having a developing roll separated from, and arranged in parallel with, the photoreceptor and to form a toner image, and a transferring step to transfer the toner image from the photoreceptor to a medium. In the developing step, the gap holding member is brought into contact with, and disposed on, the protective layer side surface of the photoreceptor so as to go through an electrified region thereof and the specified gap between the protective layer side surface of the photoreceptor and the developing roll surface is held. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供即使在间隙保持构件保持显影辊表面和电子照相感光体表面之间的特定间隙的情况下，也能够获得优异的图像质量的图像形成方法和图像形成装置与感光体的感光层接触并使用。解决方案：图像形成方法包括通过使用接触带电部件与导电支撑体和包含保护层的感光层通过接触带电方法使电子照相感光体带电的通电步骤，保护层侧表面，暴露感光体并形成静电潜像的曝光步骤，通过使用具有与感光体分离并平行布置的显影辊的显影装置来显影静电潜像的显影步骤并且形成调色剂图像，以及将调色剂图像从感光体转印到介质的转印步骤。在显影步骤中，间隙保持构件与感光体的保护层侧表面接触并设置在其通电区域和感光体的保护层侧表面之间的规定间隙保持显影辊表面。版权所有（C）2005，JPO＆NCIPI

54. 发明专利

JP2005134741A Manufacturing method for polygon scanner 审中-公开
标题翻译： POLYGON扫描仪的制造方法
公开(公告)号：JP2005134741A
公开(公告)日：2005-05-26
申请号：JP2003372392
申请日：2003-10-31
申请人： Tohoku Ricoh Co Ltd , 東北リコー株式会社
发明人： TAKAHASHI YOSHIHIRO , KOSEKI KAZUHIRO
IPC分类号： B41J2/44 , G02B26/10 , G02B26/12
摘要： PROBLEM TO BE SOLVED: To obtain a polygon scanner in which there is no degradation of mirror face accuracy at the time of completion of the scanner and which can realize the high accuracy of a jitter property and the reduction of vibration at the time of high-speed rotation with low-cost structure. SOLUTION: In the polygon scanner 1, a bearing housing 10 in which an oilless bearing 12 is incorporated and which has a driving coil 9 fixed at its outer side is made to be a stator part 8 by being fixed to a base board 11 and, moreover, after a rotary shaft 3 and a polygon member 6 are firmly fixed to a flange 5 by force fit or shrinkage fit and thereafter the polygon member 6 is made to be a polygon mirror 6 by applying a mirror finishing to the member 6, a rotor magnet 4 is fixed to the flange 5 by adhesion to form a rotor part 2. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了获得在扫描仪完成时不会降低镜面精度的多边形扫描仪，并且可以实现抖动特性的高精度和当时的振动的降低以低成本的结构高速旋转。解决方案：在多边形扫描仪1中，其中装有无油轴承12并且具有固定在其外侧的驱动线圈9的轴承壳体10通过固定到基板8而形成为定子部分8 此外，在旋转轴3和多边形构件6通过强力配合或收缩配合牢固地固定在凸缘5上之后，通过对构件进行镜面整理，将多边形构件6制成多面镜6，如图6所示，转子磁体4通过粘合固定在凸缘5上，形成转子部分2.版权所有（C）2005，JPO＆NCIPI

55. 发明专利

JP2003316042A Electrophotographic photoreceptor, process cartridge and electrophotographic device 有权
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2003316042A
公开(公告)日：2003-11-06
申请号：JP2002121272
申请日：2002-04-23
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMADA WATARU , KOSEKI KAZUHIRO , NUKADA KATSUMI
IPC分类号： G03G5/05 , G03G5/147
CPC分类号： G03G5/0578 , G03G5/14773
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which has sufficiently high contamination preventing property against a developer or a product by discharge and durability against a contact charging apparatus, cleaning blade or the like and which can prevent defects in a coating film during manufacturing, and to provide a process cartridge and an image forming device in which favorable picture quality can be obtained for a long time.
SOLUTION: The electrophotographic photoreceptor has a conductive supporting body and a photosensitive layer disposed on the supporting body. The photosensitive layer has a silicon compound-containing layer containing a cyclic siloxane compound and/or its derivatives having a cyclic structure containing a repeating unit expressed by formula (1). In formula (1), each of A
1 and A
2 represents a monovalent organic group.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种电子照相感光体，其对接触充电装置，清洁刮板等具有对显影剂或产品的排出和耐久性足够高的防污染性，并且可以防止涂膜中的缺陷并且提供一种长时间可以获得有利的图像质量的处理盒和图像形成装置。解决方案：电子照相感光体具有导电性支撑体和设置在支撑体上的感光层。感光层具有含有环状硅氧烷化合物和/或其衍生物的含硅化合物的层，其含有由式（1）表示的重复单元的环状结构。在式（1）中，A 1 和A 2 中的每一个表示一价有机基团。版权所有（C）2004，JPO

56. 发明专利

JP2003149846A ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ITS RECYCLING METHOD, PROCESS CARTRIDGE AND IMAGE FORMING DEVICE 审中-公开
公开(公告)号：JP2003149846A
公开(公告)日：2003-05-21
申请号：JP2001344939
申请日：2001-11-09
申请人： FUJI XEROX CO LTD
发明人： KOSEKI KAZUHIRO , NUKADA KATSUMI , YAMADA WATARU , SUZUKI TAKAHIRO , HOZUMI MASAHIKO , BANDO KOJI
IPC分类号： G03G5/147 , G03G5/00 , G03G5/043 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which can be recycled by an easy method when characteristics deterioration is caused by repeated use in an image forming process, and to provide its recycling method, a process cartridge and an image forming device equipped with the photoreceptor. SOLUTION: In this electrophotographic photoreceptor equipped with conductive substrate 11 and a photoreceptive layer 16 formed on the substrate so as to have two or more layers, the adhesive strength between a surface layer 15 arranged on the farthest side from the substrate 11 in the layer 16 and a layer 14 adjacent to the layer 15 is made smaller than that between other layers included in the layer 16 and that between the substrate 11 and the layer 16.

57. 发明专利

JP2001305776A ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE 失效
公开(公告)号：JP2001305776A
公开(公告)日：2001-11-02
申请号：JP2000119704
申请日：2000-04-20
申请人： FUJI XEROX CO LTD
发明人： KOJIMA FUMIO , MASHITA KIYOKAZU , KOSEKI KAZUHIRO , KAMISAKA TOMOSUMI
IPC分类号： G03G15/02 , G03G5/147 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic image forming method with which high cleanability and durability may be obtained and eventually high electrophotographic characteristics may be obtained without the occurrence of image quality defects over a long period in an electrophotographic image forming process including stages for electrostatic charging, exposing, developing, transferring, cleaning, etc., and an electrophotographic image forming device. SOLUTION: This electrophotographic image forming method includes the electrostatic charging stage for electrostatically charging the electrophotographic photoreceptor having a conductive substrate and a photosensitive layer, the exposing stage for forming an electrostatic latent image by exposing the photoreceptor, the developing stage for forming a toner image by developing the electrostatic latent image by toners, the transferring stage for transferring the toner image to a transfer material and the cleaning stage for removing the toners remaining on the surface of the photoreceptor. The photoreceptor contains the cured matter having a crosslinking structure in the surface layer of the photoreceptor and contains 3 to 30 pts.wt. silicon compound particulates of 5 to 500 nm in average diameter of the primary particles on the basis of the total solid content in the surface layer. The toners are polymerized toners and the photoreceptor is electrostatically charged by a contact electrostatic charging method in the electrostatic charging stage.

58. 发明专利

JP2001302975A SILICON-CONTAINING COATING AGENT 失效
公开(公告)号：JP2001302975A
公开(公告)日：2001-10-31
申请号：JP2000117141
申请日：2000-04-18
申请人： FUJI XEROX CO LTD , SHINETSU CHEMICAL CO
发明人： YAMADA WATARU , NUKADA KATSUMI , KAMISAKA TOMOSUMI , KOSEKI KAZUHIRO , YOSHIKAWA YUJI , TANAKA MASAKI
IPC分类号： C08G77/22 , C09D183/04
摘要： PROBLEM TO BE SOLVED: To provide a silicon-containing coating agent having a long pot life and capable of forming a uniform coated film exhibiting high functionality. SOLUTION: The silicon-containing coating agent comprises at least an optically functional organosilicon compound represented by general formula (I): F-[D-A]b (wherein F is an organic group derived from an optically functional compound; D is a flexible subunit; A is a hydrolyzable group-containing, substituted silyl group represented by the formula: -S(R1)(3-a)Qa; R1 is hydrogen, an alkyl group or a substituted or unsubstituted aryl group; Q is a hydrolyzable group; (a) is an integer of 1-3; and (b) is an integer of 1-4), an organometallic compound and a multidentate ligand.

59. 发明专利

JP2000314980A ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING DEVICE 失效
公开(公告)号：JP2000314980A
公开(公告)日：2000-11-14
申请号：JP12525399
申请日：1999-04-30
申请人： FUJI XEROX CO LTD
发明人： MASHITA KIYOKAZU , KOJIMA FUMIO , KAMISAKA TOMOSUMI , KOSEKI KAZUHIRO
IPC分类号： G03G15/02 , G03G5/05 , G03G5/06 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To obtain an electrophotographic photoreceptor having high mechanical strength, oxidizing gas resistance, contaminant deposition resistance and environmental stability and to obtain an image forming device using the photoreceptor. SOLUTION: The top layer of the electrophotographic photoreceptor comprises a crosslinked hardened film formed from a compound of the formula F-D-Si(R1)(3-a)(OR2)a and a compound having plural substituents of the formula -Si (R3)(3-b)(OR4)b and satisfying A

60. 发明专利

JPH11316468A ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE 失效
公开(公告)号：JPH11316468A
公开(公告)日：1999-11-16
申请号：JP26539298
申请日：1998-09-18
申请人： FUJI XEROX CO LTD
发明人： KOSEKI KAZUHIRO , KAMISAKA TOMOSUMI , KOJIMA FUMIO
IPC分类号： G03G5/05 , G03G5/06 , G03G5/147 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor, having high mechanical strength and resistance to an oxidative gas of the surface and stable in photoelectronic characteristics and which is hardly contaminated. SOLUTION: In this electrophotographic photoreceptor, the outermost surface layer consists of a crosslinked hardened film formed from a compound expressed by formula I of G1-D-F, silicon-containing fine particles and a crosslinking compound or a crosslinked hardened film formed from a compound expressed at least by formula II of G2-D-F and a crosslinking compound having two or more substituents expressed by formula III of -Si(R )(3-b) (OR )b . In the formulae, G1 represents a Si-contg. vitreous network subunit, D represents a flexible organic subunit, F represents a photoelectronic subunit, G2 is -Si(R )(3-a) (OR )a , R , R are each hydrogen, alkyl groups or aryl groups, R , R are each hydrogen, alkyl groups, trialkylsilyl groups and a, b are integers of 1 to 3.

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