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21. 发明专利

JP2013129184A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2013129184A
公开(公告)日：2013-07-04
申请号：JP2012139125
申请日：2012-06-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI RYOTA , TSUKAMOTO TAKEO , OSHIMA HISAYOSHI , HASEGAWA YOSHINO , SAKUMA HIDEOMI , SEO MANABU , YAMASHITA HIROYUKI , USUI YUMA , MATSUMOTO TAKAHIKO , HIHARA KEN
IPC分类号： B41J2/01
CPC分类号： B41J2/0057 , B41J2/17509 , B41J2202/04
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for forming an image by applying recording liquid to an intermediate transfer body, which can maintain the performance of ejecting the recording liquid from a head by suppressing changes in the pH of the recording liquid within the head while utilizing electrolysis of water within the recording liquid to prevent blurring without providing a treatment liquid or a powder other than the recording liquid, and also by preventing air bubbles from generating in the head due to the electrolysis.SOLUTION: The image forming apparatus employs the intermediate transfer body 37 to which conductive recording liquid containing water ejected from heads 61Y, M, C and BK (hereinafter referred to as head 61) is applied; and a potential applying unit 33 for applying a potential which electrolyzes the water in the recording liquid ejected from the head 61 and bridging between the head 61 and the intermediate transfer body 37. The potential applying unit 33 applies a potential between the intermediate transfer body 37 and electrodes 65Y, M, C and BK in contact with the recording liquid in supplying means 62Y, M, C and BK which supply the recording liquid to the head 61.
摘要翻译：要解决的问题：提供一种通过向中间转印体施加记录液来形成图像的图像形成装置，其可以通过抑制记录液体的pH值的变化来保持从头部喷射记录液体的性能同时在记录液体内利用电解电解以防止模糊，而不提供除记录液体之外的处理液体或粉末，并且还通过防止由于电解而在头部中产生气泡。解决方案：图像形成装置采用从头61Y，M，C和BK（以下称为头61）喷出的含有水的导电性记录液被施加到中间转印体37; 以及电位施加单元33，用于施加电解从头部61喷射的记录液体中的水并且在头部61和中间转印体37之间桥接的电位。电位施加单元33在中间转印体37 以及与向头61供给记录液体的供给装置62Y，M，C和BK中的记录液接触的电极65Y，M，C和BK。

22. 发明专利

JP2012237797A Image forming device 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2012237797A
公开(公告)日：2012-12-06
申请号：JP2011105108
申请日：2011-05-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMASHITA HIROYUKI , TSUKAMOTO TAKEO , HASEGAWA YOSHINO , SAKUMA HIDEOMI , SEO MANABU , USUI YUMA , SUZUKI RYOTA
IPC分类号： G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an image forming device that has an intermediate transfer member for carrying a liquid such as ink discharged by a head, and in which the intermediate transfer member can be cleaned favorably without using a liquid for cleaning the intermediate transfer member, nor requiring a liquid for image formation to be dried on the intermediate transfer member.SOLUTION: The image forming device 100 includes: the intermediate transfer member (herein after "member") 37 which carries liquids discharged from heads 61Y, 61M, 61C, and 61BK and transfers the carried liquids to a medium S; and cleaning means 34 for cleaning the member 37. The cleaning means 34 includes a blade shaped first member 51 and a roller shaped second member 52 which abut to the member 37 at different positions in a moving direction A1 of the member 37. The second member 52 is not liquid absorptive and not adhesive, and its moving speed at the position abutting to the member 37 is different from the moving speed of the member 37.
摘要翻译：要解决的问题：提供一种图像形成装置，其具有用于承载诸如由头部排出的墨的液体的中间转印部件，并且其中可以有利地清洁中间转印部件而不使用用于清洁的液体中间转印部件，也不需要在中间转印部件上干燥图像形成用液体。图像形成装置100包括：中间转印部件（以下称为“部件”）37，其承载从头部61Y，61M，61C和61BK排出的液体，并将所携带的液体传送到介质S; 以及用于清洁构件37的清洁装置34.清洁装置34包括叶片形状的第一构件51和滚动形状的第二构件52，其在构件37的移动方向A1上的不同位置处抵靠构件37。 52不是液体吸收性且不粘合，并且其在与构件37相邻的位置处的移动速度与构件37的移动速度不同。（C）2013，JPO和INPIT

23. 发明专利

JP2012224019A Head and image forming apparatus 审中-公开
标题翻译：头和图像形成装置
公开(公告)号：JP2012224019A
公开(公告)日：2012-11-15
申请号：JP2011095044
申请日：2011-04-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEO MANABU , TSUKAMOTO TAKEO , USUI YUMA , HASEGAWA YOSHINO , SAKUMA HIDEOMI , YAMASHITA HIROYUKI , SUZUKI RYOTA
IPC分类号： B41J2/165
摘要： PROBLEM TO BE SOLVED: To provide a head used in an image forming apparatus such as an inkjet printer and for discharging liquid such as ink, and an image forming apparatus with the head in which the head can be cleaned without mechanically contacting with a blade.SOLUTION: There are provided heads 61Y, 61M, 61C, 61BK including nozzle members 61a provided with nozzles 61b for discharging liquids contained in liquid chambers. The nozzle members 61a have liquid repellent insulating films 61a2 serving as surfaces thereof, and a plurality of electrodes 63 disposed in the insulating films 61a2 and arranged in a predetermined direction B along the surface thereof. The periodical application of voltages to the plurality of electrodes 63 along the direction B can make liquid contact with the surface thereof to be moved along the direction B to thereby clean the surfaces of the heads. There is also provided an image forming apparatus with the same.
摘要翻译：要解决的问题：提供用于诸如喷墨打印机的图像形成装置中的头和用于排出诸如墨水的液体的头部，以及具有头部的图像形成装置，其中头部可以被清洁而不与机械接触一个刀片。
解决方案：设置有头61Y，61M，61C，61BK，头61Y，61M，61C，61BK包括喷嘴构件61a，喷嘴构件61a设置有用于排出容纳在液室中的液体的喷嘴61b。喷嘴构件61a具有作为其表面的疏液绝缘膜61a2和设置在绝缘膜61a2中并沿其表面沿预定方向B布置的多个电极63。沿着B方向对多个电极63进行电压的周期性施加可以使其与表面的液体接触沿B方向移动，从而清洁磁头的表面。还提供了一种具有该成像装置的图像形成装置。版权所有（C）2013，JPO＆INPIT

24. 发明专利

JP2012040754A Image forming apparatus, and image forming method 有权
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2012040754A
公开(公告)日：2012-03-01
申请号：JP2010183488
申请日：2010-08-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ORITO TAKESHI , TSUKAMOTO TAKEO , HASEGAWA YOSHINO , SAKUMA HIDEOMI , SEO MANABU , USUI YUMA , SUZUKI RYOTA
IPC分类号： B41J2/01 , B41J2/015
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for performing image formation by applying a recording liquid to an intermediate transfer member using a head, which suppresses bleeding even without applying a processing liquid, powder, or the like, other than the recording liquid, while ensuring a discharging performance of the recording liquid from the head; and to provide an image forming method employing the same.SOLUTION: The apparatus includes: the intermediate transfer member 37 with a conductive surface on which a conductive recording liquid discharged by a nozzle 61a provided to heads 61Y, 61M, 61C, and 61BK (hereafter, heads 61) is applied; a voltage applying unit 33 for applying a voltage between the intermediate transfer member 37 for electrolysis of the conductive recording liquid, which is discharged from the head 61 and bridged between the head 61 and the intermediate transfer member 37, and the head 61; and a control unit 40 for controlling the discharge by the voltage applied to the conductive recording liquid by such voltage application from the time of starting such a state to the termination of the voltage application at the timing of duration of the state of ≥30% and ≤70%.
摘要翻译：要解决的问题：提供一种用于通过使用头部向中间转印部件施加记录液体来进行图像形成的图像形成装置，即使在不施加处理液体，粉末等的情况下也抑制渗色，记录液体，同时确保记录液体从头部的排出性能; 并提供使用该图像形成方法的图像形成方法。该装置包括：具有导电表面的中间转印部件37，其上施加由设置在头61Y，61M，61C和61BK（以下称为头61）上的喷嘴61a排出的导电记录液体; 电压施加单元33，用于在从头61排出并桥接在头61和中间转印构件37之间的导电记录液的电解用中间转印构件37和头61之间施加电压; 以及控制单元40，用于通过在从≥30％的状态持续时间的时间点开始这种状态到终止电压施加时，通过施加电压施加的导电记录液体的电压进行放电;以及 ≤70％。版权所有（C）2012，JPO＆INPIT

25. 发明专利

JP2011173332A Image forming apparatus and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2011173332A
公开(公告)日：2011-09-08
申请号：JP2010039249
申请日：2010-02-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASEGAWA YOSHINO , TSUKAMOTO TAKEO , SEO MANABU , USUI YUMA , ORITO TAKESHI , SUZUKI RYOTA
IPC分类号： B41J2/01 , B41J2/165
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus and an image forming method, capable of suppressing the occurrence of blotting and surface staining, even when a processing liquid is not applied.
SOLUTION: The image forming apparatus 100 includes: recording heads (21Y, 21M, 21C and 21BK) having a nozzle for discharging a conductive ink where a pigment is dispersed in a solvent containing water; an intermediate transfer drum 10 having a conductive surface capable of forming an ink image; a power supply 30 applying a voltage to between the conductive surface of the intermediate transfer drum 10 and the conductive ink; a transfer roller 40 transferring the ink image formed on the conductive surface of the intermediate transfer drum 10 to a recording paper S; and a cleaning roller 52 cleaning the intermediate transfer drum 10 after the ink image is transferred to the recording paper S.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使当不施加处理液时，提供能够抑制印迹和表面污染的发生的图像形成装置和图像形成方法。图像形成装置100包括：具有用于排出导电油墨的喷嘴的记录头（21Y，21M，21C和21BK），其中颜料分散在含水的溶剂中; 具有能够形成油墨图像的导电表面的中间转印鼓10; 在中间转印鼓10的导电表面和导电油墨之间施加电压的电源30; 转印辊40将形成在中间转印鼓10的导电表面上的油墨图像转印到记录纸S上; 以及在将墨水图像转印到记录纸S之后清洁中间转印鼓10的清洁辊52.版权所有（C）2011，JPO＆INPIT

26. 发明专利

JP2011167885A Image forming apparatus and method for detecting nozzle delivering condition 有权
标题翻译：图像形成装置和检测喷嘴状态的方法
公开(公告)号：JP2011167885A
公开(公告)日：2011-09-01
申请号：JP2010032474
申请日：2010-02-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI RYOTA , TSUKAMOTO TAKEO , SEO MANABU , ORITO TAKESHI , USUI YUMA , HASEGAWA YOSHINO
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide an inkjet type image forming apparatus capable of obtaining an image with a high image quality with a high image density, and less feathering, bleeding and beading on a plain paper at a high speed without using such an article of consumption as a reaction liquid and a processing liquid except a recording liquid, and capable of detecting a nozzle delivering condition with a simple and inexpensive constitution and rapidly performing recovery processing of a nozzle. SOLUTION: When an electrically-conductive recording liquid is delivered from the nozzle under a condition that an electric voltage is applied between the nozzle of a recording head 61 and an intermediate transferring drum 37 by an electric voltage applying means 33, a liquid columnar bridge consisting of the recording liquid is formed, and during this or before and after this, electric discharge occurs near the liquid column. This electric discharge light 70 is detected by a light receiving means 71, and on the basis of this result, whether the nozzle delivering condition is good or not is judged. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题：提供一种喷墨式图像形成装置，其能够以高速度获得具有高图像密度的高图像质量的图像，并且在普通纸上较少的羽化，渗色和珠光，而不使用它们作为反应液体的消耗品和除记录液体以外的处理液体，能够以简单且廉价的结构检测喷嘴输送状态并快速进行喷嘴的回收处理。解决方案：在通过电压施加装置33在记录头61的喷嘴和中间转印鼓37之间施加电压的条件下从喷嘴输送导电记录液时，形成由记录液体组成的柱状桥，在此期间或之前，在液柱附近发生放电。该放电灯70由光接收装置71检测，并且基于该结果判断喷嘴输送状况是否良好。版权所有（C）2011，JPO＆INPIT

27. 发明专利

JP2011161870A Nozzle ejection state measuring device and image forming apparatus 有权
标题翻译：喷嘴状态测量装置和图像形成装置
公开(公告)号：JP2011161870A
公开(公告)日：2011-08-25
申请号：JP2010029367
申请日：2010-02-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEO MANABU , TSUKAMOTO TAKEO , HASEGAWA YOSHINO , ORITO TAKESHI , USUI YUMA , SUZUKI RYOTA
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide a nozzle ejection state measuring device which can inspect at a high speed a state of ejection from many nozzles to an inkjet head having many nozzles, also can correspond to various types of ink, and can highly accurately measure an ejection bend and an ejection liquid droplet size.
SOLUTION: The nozzle ejection state measuring device includes: a medium 103 for receiving liquid droplets 102 ejected from the ink jet head 101, which has a flat and liquid-repellent surface; a line sensor 105; an imaging optical system 106; an illumination device 107 for illuminating the surface of the recording medium 103; and a processing device for processing a signal acquired from the line sensor 105 to calculate the state of ejection of a liquid ejected from a nozzle. In the nozzle ejection state measuring device, the illumination device 107 is disposed at a position to be irradiated at an angle where specular reflection light from the surface of medium 103 is not incident on the line sensor and part of specular reflection light from the liquid droplet surface ejected on the surface of the medium is incident on the line sensor.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种喷嘴喷射状态测量装置，其可以高速检查从许多喷嘴到具有许多喷嘴的喷墨头的喷射状态，也可以对应于各种类型的墨水，并且可以高度精确地测量喷射弯曲和喷射液滴尺寸。喷嘴喷射状态测量装置包括：用于接收从喷墨头101喷出的液滴102的介质103，该液滴102具有扁平和拒水表面; 线传感器105; 成像光学系统106; 用于照亮记录介质103的表面的照明装置107; 以及处理装置，用于处理从线传感器105获取的信号，以计算从喷嘴喷出的液体的喷射状态。在喷嘴喷射状态测量装置中，照明装置107被布置在要被照射的位置处，其中来自介质103的表面的镜面反射光不会入射到线传感器上，并且来自液滴的镜面反射光的一部分在介质表面喷射的表面入射在线传感器上。版权所有（C）2011，JPO＆INPIT

28. 发明专利

JP2010260263A Image forming apparatus, and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2010260263A
公开(公告)日：2010-11-18
申请号：JP2009112822
申请日：2009-05-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASEGAWA YOSHINO , TSUKAMOTO TAKEO , SEO MANABU , USUI YUMA , ORITO TAKESHI , SUZUKI RYOTA
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide an inkjet type image forming apparatus which suppresses blot without using a blot prevention liquid, and forms an image by applying recording liquid to an intermediate transfer body by a head considering curl or cockling of material to be recorded, and to provide an image forming method using the inkjet type image forming apparatus.
SOLUTION: The image forming apparatus uses: a voltage applying means 33 configured to apply voltage between the intermediate transfer body 37 and heads 61Y, 61M, 61C and 61BK (hereinafter referred to as the head 61Y or the like) so that conductive recording liquid may be electrolyzed in a state in which the conductive recording liquid just after discharged from the head 61Y or the like bridges between the head 61Y or the like and the intermediate transfer body 37; and an excess liquid removing means 32 configured to remove excess liquid of an image formed on the intermediate transfer body 37 in the conductive recording liquid from the intermediate transfer body 37 on a downstream side of an area where the intermediate transfer body 37 is opposed to the head 61Y or the like in an A1 direction and on an upstream side of an area where the intermediate transfer body 37 is opposed to the transfer means 64.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种喷墨型图像形成装置，其不使用防污染液体来抑制印迹，并且通过将考虑到材料的卷曲或起皱的头部通过头部将记录液体施加到中间转印体来形成图像并且提供使用该喷墨型图像形成装置的图像形成方法。图像形成装置使用：电压施加装置33，被配置为在中间转印体37和头61Y，61M，61C和61BK之间施加电压（以下称为头61Y等），使得导电记录液体可以在刚刚从头部61Y等排出的导电记录液体在头部61Y等与中间转印体37之间桥接的状态下电解; 以及多余的液体去除装置32，被配置为在中间转印体37与中间转印体37相对的区域的下游侧从中间转印体37去除导电记录液中的中间转印体37上形成的图像的多余液体头部61Y等在A1方向和中间转印体37与转印装置64相对的区域的上游侧。（C）2011，JPO＆INPIT

29. 发明专利

JP2010188665A Image formation device and image formation method 有权
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2010188665A
公开(公告)日：2010-09-02
申请号：JP2009037033
申请日：2009-02-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TSUKAMOTO TAKEO , USUI YUMA , SEO MANABU , HASEGAWA YOSHINO , ORITO TAKESHI , SUZUKI RYOTA
IPC分类号： B41J2/015 , B41J2/01 , B41M5/00
CPC分类号： B41J2/0057 , B41M5/00 , B41M5/0256
摘要： PROBLEM TO BE SOLVED: To provide an image formation device and an image formation method, capable of suppressing generation of blurs without applying a treatment liquid. SOLUTION: The image formation device 100 has a recording head 20, an intermediate transfer drum 10, a power source 30, and a transfer roller 40. The recording head has a nozzle 21a which discharges electrically-conductive ink I containing water. The intermediate transfer drum has an electrically-conductive layer 12 capable of forming an ink image I' by temporarily forming a bridge of a liquid column formed of an electrically-conductive ink I between the layer and a nozzle 21a. The power source applies an electric potential between the electrically-conductive ink I and the electrically-conductive layer 12, wherein water contained in the bridge of the liquid column can be electrolyzed by an electric potential. The transfer roller transfers the ink image I' formed on an intermediate transfer body 10 to recording paper. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够在不施加处理液的情况下抑制模糊的产生的图像形成装置和图像形成方法。图像形成装置100具有记录头20，中间转印鼓10，动力源30和转印辊40.记录头具有喷出含有水的导电性油墨I的喷嘴21a。中间转印鼓具有能够通过在层和喷嘴21a之间临时形成由导电油墨I形成的液柱的桥而形成油墨图像I'的导电层12。电源在导电油墨I和导电层12之间施加电位，其中包含在液柱的桥中的水可以通过电位电解。转印辊将形成在中间转印体10上的油墨图像I'传送到记录纸。版权所有（C）2010，JPO＆INPIT

30. 发明专利

JP2008287907A Solid polymer electrolyte film for fuel cell 审中-公开
标题翻译：用于燃料电池的固体聚合物电解质膜
公开(公告)号：JP2008287907A
公开(公告)日：2008-11-27
申请号：JP2007129011
申请日：2007-05-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASEGAWA YOSHINO , KIMURA OKITOSHI , TANAKA MASAHARU , USUI YUMA
IPC分类号： H01M8/02 , C08F30/02 , C08J5/22 , H01B1/06 , H01B13/00 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a solid polymer electrolyte film for a fuel cell with high mechanical strength and ion conductivity. SOLUTION: The solid polymer electrolyte film for the fuel cell contains resin obtained by polymerizing at least one of monomers shown in chemical structural formulas (I) to (IV) described below, and resin having all constitutional units shown in chemical structural formulas (V) to (VII) described below. A great deal of the resin having the constitutional unit shown in the chemical structural formulas (V) to (VII) is contained in a protective portion rather than in an electrolyte film. The chemical structural formulas are expressed as below: CH 2 =CHCOOCH 2 CH 2 OPO(OH) 2 (I), CH 2 =CHCOOCH 2 CH(CH 2 Cl)OPO(OH) 2 (II), CH 2 =C(CH 3 )COOCH 2 CH 2 OPO(OH) 2 (III), CH 2 =C(CH 3 )COOCH 2 CH(CH 2 Cl)OPO(OH) 2 (IV), -CF 2 CH 2 - (V), -CF 2 CFCl- (VI), -CH 2 CH(CH 2 OCOOR)- (VII). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有高机械强度和离子传导性的燃料电池的固体聚合物电解质膜。解决方案：用于燃料电池的固体聚合物电解质膜包含通过聚合下述化学结构式（I）至（IV）所示的单体中的至少一种而获得的树脂和具有化学结构式所示的所有结构单元的树脂（V）〜（VII）。具有化学结构式（V）至（VII）所示的结构单元的大量树脂包含在保护部分而不是电解质膜中。化学结构式如下表示：CH 2 = CHCOOCH 2 OPO（OH）2 SB SB CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 OCH 2（OH） CH 2 SB 2 = C（CH 3 SB 3）COOCH 2 SBO 2 OPO（OH） / SB>（III），CH 2 = C（CH 3 SB 3）COOCH SB 2 CH ）OPO（OH）2 SBB（IV），-CF 2 - （V），-CF 2 2 CH（CH 2 SBO 2） - （VII）。版权所有（C）2009，JPO＆INPIT

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