公开(公告)号：US08038283B2

公开(公告)日：2011-10-18

申请号：US12015994

申请日：2008-01-17

Applicant: Yusuke Nakazawa ,  Seishi Kasai ,  Yasuyo Yokota

Inventor： Yusuke Nakazawa ,  Seishi Kasai ,  Yasuyo Yokota

IPC: B41J2/01

CPC classification number: B41J11/002

Abstract: The invention is directed to an ink-jet recording apparatus including: a recording medium transport unit as defined herein; a full-line ink-jet head as defined herein; and an ultraviolet light illumination unit as defined herein, wherein the ultraviolet light illumination unit comprises an aperture-type hot-cathode tube, or an ultraviolet-setting ink-jet recording apparatus including: a recording medium transport unit as defined herein; and ink-jet head as defined herein; and an ultraviolet light illumination unit as defined herein, wherein: the ultraviolet light illumination unit comprises plural aperture-type hot-cathode tubes and apertures of at least one set of aperture-type hot-cathode tubes are rotated so that an overlap of their illumination regions is increased.

Abstract translation: 本发明涉及一种喷墨记录装置，包括：如本文所定义的记录介质传送单元; 如本文所定义的全线喷墨头; 以及如本文所定义的紫外光照明单元，其中紫外光照明单元包括孔型热阴极管或紫外线固化喷墨记录设备，其包括：如本文所定义的记录介质传送单元; 和喷墨头; 以及如本文所定义的紫外光照明单元，其中：紫外光照明单元包括多个孔型热阴极管，并且旋转至少一组孔型热阴极管的孔，使得它们的照明重叠 地区增加。

公开(公告)号：US07946699B2

公开(公告)日：2011-05-24

申请号：US11765472

申请日：2007-06-20

Applicant: Yusuke Nakazawa ,  Seishi Kasai ,  Toshiyuki Makuta

Inventor： Yusuke Nakazawa ,  Seishi Kasai ,  Toshiyuki Makuta

IPC: B41J2/01

CPC classification number: B41M5/5209 ,  B41J11/0015 ,  B41J11/002 ,  B41M5/0011 ,  B41M7/0081

Abstract: The invention provides an ink jet recording method that records an image by ejecting, onto a recording medium, an ink that is cured by irradiation of an active energy ray, the method comprising: applying an undercoating liquid onto the recording medium; half-curing the undercoating liquid; and forming an image by ejecting an ink onto the half-cured undercoating liquid, and an ink jet recording device. According to the ink jet recording method in the invention, ink bleeding can be effectively suppressed when using any type of non-absorbing recording media, a high degree of uniformity in an image between various recording media can be obtained, and unevenness in line width or color caused by mixing between the liquid droplets can be suppressed.

Abstract translation: 本发明提供一种喷墨记录方法，其通过在记录介质上喷射通过照射活性能量射线固化的油墨来记录图像，所述方法包括：将底涂层涂布到记录介质上; 半固化底涂液体; 以及通过将油墨喷射到半固化底涂布液上形成图像，以及喷墨记录装置。 根据本发明的喷墨记录方法，当使用任何类型的非吸收性记录介质时，可以有效地抑制墨渗出，可以获得各种记录介质之间的图像的高度均匀性，以及线宽度的不均匀性 可以抑制由液滴之间的混合引起的颜色。

公开(公告)号：US07300139B2

公开(公告)日：2007-11-27

申请号：US10945900

申请日：2004-09-22

Applicant: Yusuke Nakazawa

Inventor： Yusuke Nakazawa

IPC: B41J2/17

CPC classification number: B41J29/17 ,  B41J2/06 ,  B41J2/10 ,  B41J2/185 ,  B41J29/02

Abstract: The ink jet recording apparatus includes an ink jet head that causes an electrostatic force to act on ink containing charged colored particles based on an image signal to eject an ink droplet on a recording medium, an ink supply unit that supplies the ink to the ink jet head, an ink collection unit that collects the ink not ejected from the ink jet head and a particle diameter distribution narrowing unit that narrows a particle diameter distribution of the charged colored particles contained in the ink. The narrowing unit includes an electrode cleaning unit that cleans an electrode for generating electrophoresis in the ink.

Abstract translation: 喷墨记录装置包括喷墨头，其基于图像信号使静电力作用于含有带电有色颗粒的墨水上，以将墨滴喷射到记录介质上;墨水供应单元，用于将墨水供应到喷墨 头部，收集未从喷墨头喷射的墨水的墨水收集单元和使包含在墨水中的带电着色颗粒的粒径分布变窄的粒径分布变窄单元。 变窄单元包括清洁用于在油墨中产生电泳的电极的电极清洁单元。

公开(公告)号：US07182420B2

公开(公告)日：2007-02-27

申请号：US10995378

申请日：2004-11-24

Applicant: Yusuke Nakazawa

Inventor： Yusuke Nakazawa

IPC: B41J2/195

CPC classification number: B41J2/1707 ,  B41J2/195

Abstract: An ink concentration detecting method and recording apparatus cause one of a cleaning liquid and ink of known ink concentration to flow through an ink passage through which the ink is to flow, detect a first ink concentration in the ink passage in an operation state in which ink of predetermined ink concentration flows through the ink passage, and detect a second ink concentration in the ink passage after the cleaning liquid is caused to flow through the ink passage to clear the ink passage or in a state in which the ink of known ink concentration is caused to flow through the ink passage. The method and apparatus detect ink concentration in the ink passage in the operation state based on the first ink concentration and the second ink concentration. Precise ink concentration of the ink to be supplied to an ink jet head is obtained.

Abstract translation: 墨水浓度检测方法和记录装置使清洁液体和已知墨水浓度中的一种流过墨水流过的墨水通道，在墨水通道中检测墨水通道中的第一墨水浓度，其中墨水 预定的墨水浓度流过墨水通道，并且在清洁液体流过墨水通道以清除墨水通道之后或在已知墨水浓度的墨水的状态下检测墨水通道中的第二墨水浓度 使其流过油墨通道。 该方法和装置基于第一油墨浓度和第二油墨浓度检测处于操作状态的油墨通道中的油墨浓度。 获得供应给喷墨头的油墨的精确油墨浓度。

公开(公告)号：US06454401B2

公开(公告)日：2002-09-24

申请号：US09902706

申请日：2001-07-12

Applicant: Mutsumi Naniwa ,  Yusuke Nakazawa ,  Sadao Ohsawa

Inventor： Mutsumi Naniwa ,  Yusuke Nakazawa ,  Sadao Ohsawa

IPC: B41J218

CPC classification number: B41J2/06 ,  B41J2/175 ,  B41J2/18

Abstract: An ink jet printing process for forming an image directly on a printing medium by an electrostatic ink jet method of ejecting an oil ink using electrostatic field based on signals of image data and preparing a printed matter by fixing the image and an ink jet printing apparatus comprising image-forming means of forming an image directly on a printing medium based on signals of image data and image-fixing means of fixing the image formed by the image-forming means to obtain a printed matter, the image-forming means being an ink jet drawing device of ejecting an oil ink from an ejection head using electrostatic field.

Abstract translation: 一种喷墨打印方法，用于通过静电喷墨方法直接在打印介质上形成图像，该静电喷墨方法基于图像数据的信号和通过固定图像来制备印刷品，使用静电场喷射油墨;以及喷墨打印设备，包括 图像形成装置，用于基于图像数据的信号和图像定影装置直接在打印介质上形成图像，所述图像定影装置固定由图像形成装置形成的图像以获得打印物，所述图像形成装置是喷墨 使用静电场从喷射头喷射油墨的拉丝装置。

公开(公告)号：US5882828A

公开(公告)日：1999-03-16

申请号：US816654

申请日：1997-03-13

Applicant: Eiichi Kato ,  Yusuke Nakazawa

Inventor： Eiichi Kato ,  Yusuke Nakazawa

IPC: G03G13/16 ,  G03G13/28 ,  G03G13/10

CPC classification number: G03G13/283 ,  G03G13/16

Abstract: A method for preparation of a printing plate by an electrophotographic process comprising, in order, a) forming a toner image on an electrophotographic light-sensitive element having a release surface by an electrophotographic process using a liquid developer comprising a dispersion medium having dispersed therein toner grains each containing at least one resin (A) having a glass transition point of from 20.degree. C. to 80.degree. C. or a softening point of from 35.degree. C. to 100.degree. C. and at least one resin (B) having a glass transition point or a softening point at least 2.degree. C. lower than that of the resin (A), b) drying the toner image to remove the dispersion medium thereby causing at least partial adhesion between the toner grains, c) bringing the toner image into contact with an intermediate transfer medium having a surface adhesion force of not less than 3 gram.multidot.force at temperature (T.sub.1) and not more than 40 gram.multidot.force at temperature (T.sub.2), at the temperature (T.sub.1) to transfer the toner image onto the intermediate transfer medium, and d) bringing the toner image into contact with a final receiving material having a surface capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing at the temperature (T.sub.2) higher than the temperature (T.sub.1 to transfer the toner image onto the final receiving material. According to the method of the present invention, the toner image formed from a liquid developer is transferred with good efficiency onto the final receiving material through the intermediate transfer medium, and the printing plate obtained provides a large number of prints having highly accurate images free from background stain. An apparatus suitable for conducting the method is also disclosed.

Abstract translation: 一种通过电子照相方法制备印版的方法，其包括以下步骤：a）通过电子照相方法在具有剥离表面的电子照相感光元件上形成调色剂图像，所述液体显影剂包括分散介质，分散介质中分散有调色剂 每个含有至少一种玻璃化转变点为20℃至80℃或软化点为35℃至100℃的树脂（A）的颗粒和至少一种树脂（B），其具有 玻璃化转变点或软化点比树脂（A）低至少2℃，b）干燥调色剂图像以除去分散介质，从而导致调色剂颗粒之间的至少部分粘合，c）使 调色剂图像在温度（T1）下具有不小于3克力的表面粘附力和在温度（T2）下不超过40克力的中间转印介质在温度（T1）下接触以转印调色剂 图像到中间转印介质上，以及d）使得调色剂图像与最终的接收材料接触，该最终接收材料具有能够在高于温度（T2）的温度（T2）下印刷时适于平版印刷的亲水表面的表面， T1将调色剂图像转印到最终的接收材料上。 根据本发明的方法，由液体显影剂形成的调色剂图像通过中间转印介质以良好的效率转印到最终的接受材料上，并且所获得的印刷版提供大量的具有高精度图像的印刷品 背景污点。 还公开了适用于进行该方法的装置。

公开(公告)号：US5582943A

公开(公告)日：1996-12-10

申请号：US217060

申请日：1994-03-24

Applicant: Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

Inventor： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

IPC: G03G5/02 ,  G03G5/147 ,  G03G7/00

CPC classification number: G03G5/14795 ,  G03G5/02 ,  G03G5/147 ,  G03G7/00 ,  G03G7/0093

Abstract: A method of forming an electrophotographic color transfer image comprising forming at least one color toner image on a transfer layer provided on the surface of an electrophotographic light-sensitive element by an electrophotographic process and heat-transferring the toner image together with the transfer layer onto a receiving material wherein the surface of the electrophotographic light-sensitive element has an adhesive strength of not more than 200 gram.force, which is measured according to JIS Z 0237-1980 "Testing methods of pressure sensitive adhesive tapes and sheets" and the transfer layer mainly contains a thermoplastic resin (AH) having a glass transition point of not more than 140.degree. C. or a softening point of not more than 180.degree. C. and a thermoplastic resin (AL) having a glass transition point of not more than 45.degree. C. or a softening point of not more than 60.degree. C. in which a difference in the glass transition point or softening point between the resin (AH) and the resin (AL) is at least 2.degree. C.The method is excellent in obtaining color duplicates having good image quality without color shear and good storage stability at a low cost. An electrophotographic light-sensitive material suitable for use in the method is also described.

Abstract translation: 一种形成电子照相彩色转印图像的方法，包括通过电子照相方法在设置在电子照相感光元件的表面上的转印层上形成至少一种彩色调色剂图像，并将调色剂图像与转印层一起热转印到 接收材料，其中电子照相感光元件的表面具有不超过200克力的粘合强度，其根据JIS Z 0237-1980“压敏粘合带和片材的测试方法”和转印层 主要含有玻璃化转变点不超过140℃或软化点不超过180℃的热塑性树脂（AH）和玻璃化转变点不大于45的热塑性树脂（AL） ℃或软化点不超过60℃，其中树脂（AH）和树脂之间的玻璃化转变点或软化点的差异 n（AL）至少为2℃。该方法在低颜色下获得具有良好的图像质量而无色剪切和良好储存稳定性的颜色复制品。 还描述了适用于该方法的电子照相感光材料。

公开(公告)号：US08337953B2

公开(公告)日：2012-12-25

申请号：US12470742

申请日：2009-05-22

Applicant: Yusuke Nakazawa ,  Toshiyuki Makuta ,  Yasuhiko Kachi ,  Misato Sasada ,  Terukazu Yanagi

Inventor： Yusuke Nakazawa ,  Toshiyuki Makuta ,  Yasuhiko Kachi ,  Misato Sasada ,  Terukazu Yanagi

IPC: B05D1/36

CPC classification number: B41J13/223 ,  B41J2/2114 ,  B41J11/002 ,  B41M5/0011 ,  B41M5/0023 ,  B41M7/009

Abstract: The inkjet recording method includes: a treatment liquid depositing step of applying treatment liquid onto a recording medium on a treatment liquid drum; an image forming step of ejecting ink from a line inkjet head to deposit the ink onto the recording medium on which the treatment liquid has been deposited on a circumferential surface of an image formation drum, the ink containing at least a resin dispersant (A), a pigment (B) that is dispersed by the resin dispersant (A), self-dispersible polymer micro-particles (C) and an aqueous liquid medium (D), the ink having one of a solid component that is aggregated upon making contact with the treatment liquid and a solid component that is precipitated upon making contact with the treatment liquid; and a drying step of drying a solvent in the ink having been deposited on the recording medium on a drying drum.

Abstract translation: 喷墨记录方法包括：处理液沉积步骤，将处理液体施加到处理液体滚筒上的记录介质上; 一种图像形成步骤，用于从线条喷墨头喷射墨水，以将墨水沉积到图像形成鼓的圆周表面上沉积有处理液体的记录介质上，该油墨至少含有树脂分散剂（A）， 由树脂分散剂（A），自分散性聚合物微粒（C）和水性液体介质（D）分散的颜料（B），所述油墨具有与其接触时聚集的固体成分之一 处理液体和与处理液体接触时析出的固体成分; 以及将已经沉积在记录介质上的墨中的溶剂干燥在干燥滚筒上的干燥步骤。

公开(公告)号：US07874663B2

公开(公告)日：2011-01-25

申请号：US11864970

申请日：2007-09-29

Applicant: Toshiyuki Makuta ,  Yusuke Nakazawa

Inventor： Toshiyuki Makuta ,  Yusuke Nakazawa

IPC: B41J2/01

CPC classification number: B41M5/52 ,  B41J11/0015 ,  B41J11/002 ,  B41M5/0017 ,  B41M5/5209 ,  B41M5/5227 ,  B41M7/0081 ,  B41M2205/12

Abstract: The present invention provides: an inkjet recording method comprising: applying an undercoating liquid on a recording medium, the undercoating liquid containing at least one surfactant in an amount of from 0.001% to the critical micelle concentration, the surfactant achieving a surface tension of 25 mN/m or smaller when dissolved in 1,6-hexanediol diacrylate at a critical micelle concentration; semi-curing the applied undercoating liquid; and recording an image by ejecting an ink onto the semi-cured undercoating liquid, the ink being curable by irradiation with an actinic ray; and an inkjet recording apparatus.

Abstract translation: 本发明提供一种喷墨记录方法，其特征在于，包括：在记录介质上涂布底涂布液，所述底涂液含有至少一种表面活性剂，其量为临界胶束浓度的0.001％，表面张力为25mN 当以临界胶束浓度溶解在1,6-己二醇二丙烯酸酯中时， 半固化涂底漆液; 并通过将油墨喷射到半固化底涂层液体上来记录图像，该油墨通过用光化射线照射可固化; 和喷墨记录装置。

公开(公告)号：US20090220701A1

公开(公告)日：2009-09-03

申请号：US12395892

申请日：2009-03-02

Applicant: Koji Furukawa ,  Yusuke Nakazawa

Inventor： Koji Furukawa ,  Yusuke Nakazawa

IPC: B05D1/28 ,  B05C1/08 ,  B41J2/17

CPC classification number: B41F31/027 ,  B05C1/0813 ,  B05C1/0817 ,  B41P2231/12

Abstract: The liquid application apparatus applies liquid to media of a plurality of types having different widths in a widthwise direction that is perpendicular to a direction of conveyance of the media. The liquid application apparatus includes: a liquid application member which has an application surface applying the liquid to the media; and a liquid holding member which has a plurality of recesses arranged in the widthwise direction, a plurality of liquid supply ports arranged respectively in the recesses, and a plurality of liquid discharge ports arranged respectively in the recesses, the liquid holding member forming a plurality of liquid chambers with the recesses by abutting against the application surface of the liquid application member. The liquid is supplied through the liquid supply ports and discharged through the liquid discharge ports, respectively and independently for the liquid chambers as selected in accordance with one of the widths of the media so that the liquid is applied only to a region that is inside a range of the one of the widths of the media, of the application surface of the liquid application member.

Abstract translation: 液体施加装置将液体向垂直于介质传送方向的宽度方向上具有不同宽度的多种类型的介质施加。 液体施加装置包括：液体施加构件，其具有将液体施加到介质的施加表面; 以及液体保持部件，其具有沿宽度方向排列的多个凹部，分别设置在所述凹部中的多个液体供给口以及分别配置在所述凹部内的多个排液口，所述液体保持部件形成多个 具有通过抵靠液体施加构件的施加表面的凹部的液体室。 液体通过液体供给口供给，并且通过液体排出口分别排出并且独立地用于根据介质的宽度之一选择的液体室，使得液体仅被施加到内部的区域 液体施加构件的施加表面的介质的宽度之一的范围。