公开(公告)号：US20090053409A1

公开(公告)日：2009-02-26

申请号：US12196320

申请日：2008-08-22

申请人： Hiroshi YAMAMOTO ,  Yusuke Nakazawa ,  Kaoru Tojo

发明人： Hiroshi YAMAMOTO ,  Yusuke Nakazawa ,  Kaoru Tojo

IPC分类号： B05D5/04 ,  B05D3/02 ,  B41M5/50

CPC分类号： B41M5/502 ,  B41M5/0017 ,  B41M5/506 ,  B41M5/508 ,  B41M5/5218 ,  B41M5/5254 ,  B41M5/5263 ,  B41M7/009

摘要： The present invention provides a recording medium which contains a base paper, a first layer containing a binder, and a second layer containing a white pigment, the first layer and second layer being laid in this order on the base paper, wherein the base paper provided with the first layer on its surface has a Cobb water absorption degree, measured according to a water absorption test prescribed in JIS P8140 with a contact time of 15 seconds, of 5.0 g/m2 or lower, and the second layer has an amount of water absorbed therein, measured by the Bristow's method with a contact time of 0.5 seconds, of 2 mL/m2 to 8 mL/m2.

摘要翻译： 本发明提供了一种记录介质，其包含原纸，含有粘合剂的第一层和含有白色颜料的第二层，第一层和第二层依次铺设在原纸上，其中提供的原纸 其表面上的第一层具有根据JIS P8140规定的接触时间为15秒，5.0g / m 2以下的吸水试验测定的Cobb吸水度，第二层具有一定量的水 通过Bristow方法测量，其接触时间为0.5秒，为2mL / m 2至8mL / m 2。

公开(公告)号：US07334882B2

公开(公告)日：2008-02-26

申请号：US10998061

申请日：2004-11-29

申请人： Yusuke Nakazawa

发明人： Yusuke Nakazawa

IPC分类号： B41J2/09

CPC分类号： B41J2/195 ,  B41J29/02

摘要： The ink concentration detecting method and apparatus detect ink concentration of ink containing charged colorant particles. The method and apparatus detect ejection state of ink droplets ejected by causing predetermined electrostatic force to act on the ink, and detect the ink concentration in correspondence to the detected ejection state of the ink droplets. The apparatus includes an ejection detecting device for detecting the ejection state and a concentration detecting device for detecting the ink concentration. The electrostatic ink jet recording apparatus includes an ink ejecting device for ejecting the ink droplets at predetermined frequency corresponding to the ink concentration and the ink concentration detecting apparatus.

摘要翻译： 油墨浓度检测方法和装置检测含有带电着色剂颗粒的油墨浓度。 该方法和装置通过使预定的静电力作用于墨水来检测喷射的墨滴的喷射状态，并根据检测到的墨滴的喷射状态来检测墨浓度。 该装置包括用于检测喷射状态的喷射检测装置和用于检测墨浓度的浓度检​​测装置。 静电喷墨记录装置包括用于以对应于墨水浓度的预定频率和墨水浓度检测装置喷射墨滴的喷墨装置。

公开(公告)号：US07182454B2

公开(公告)日：2007-02-27

申请号：US10767060

申请日：2004-01-30

申请人： Yusuke Nakazawa

发明人： Yusuke Nakazawa

IPC分类号： B41J2/01

CPC分类号： B41J2/06 ,  B41J11/002 ,  B41J11/007 ,  B41J11/0095 ,  B41J13/03 ,  B41J13/103 ,  B41J13/106 ,  B41J29/377

摘要： The ink jet recording apparatus includes an image forming device for forming an image on a recording medium by ejecting ink containing a solvent and color particles dispersed in the solvent, a fixing device for fixing the image formed on the recording medium by the image forming device, a collecting device for selectively collecting air containing the solvent from an atmosphere in proximity to the fixing device, and a removing device for removing the solvent from the solvent-containing air collected by the collecting device.

摘要翻译： 喷墨记录装置包括：图像形成装置，用于通过喷射含有溶剂的分散的油墨和分散在溶剂中的着色颗粒在记录介质上形成图像;定影装置，用于通过图像形成装置固定形成在记录介质上的图像; 收集装置，用于从靠近定影装置的气氛中选择性地收集含有溶剂的空气;以及去除装置，用于从由收集装置收集的含溶剂的空气中除去溶剂。

公开(公告)号：US20050116982A1

公开(公告)日：2005-06-02

申请号：US10998061

申请日：2004-11-29

申请人： Yusuke Nakazawa

发明人： Yusuke Nakazawa

IPC分类号： B41J2/01 ,  B41J2/195 ,  B41J29/02 ,  B41J29/393

CPC分类号： B41J2/195 ,  B41J29/02

摘要： The ink concentration detecting method and apparatus detect ink concentration of ink containing charged colorant particles. The method and apparatus detect ejection state of ink droplets ejected by causing predetermined electrostatic force to act on the ink, and detect the ink concentration in correspondence to the detected ejection state of the ink droplets. The apparatus includes an ejection detecting device for detecting the ejection state and a concentration detecting device for detecting the ink concentration. The electrostatic ink jet recording apparatus includes an ink ejecting device for ejecting the ink droplets at predetermined frequency corresponding to the ink concentration and the ink concentration detecting apparatus.

摘要翻译： 油墨浓度检测方法和装置检测含有带电着色剂颗粒的油墨浓度。 该方法和装置通过使预定的静电力作用于墨水来检测喷射的墨滴的喷射状态，并根据检测到的墨滴的喷射状态检测墨浓度。 该装置包括用于检测喷射状态的喷射检测装置和用于检测墨浓度的浓度检​​测装置。 静电喷墨记录装置包括用于以对应于墨水浓度的预定频率和墨水浓度检测装置喷射墨滴的喷墨装置。

公开(公告)号：US06679597B2

公开(公告)日：2004-01-20

申请号：US10100902

申请日：2002-03-20

申请人： Sadao Ohsawa ,  Yusuke Nakazawa ,  Mutsumi Naniwa

发明人： Sadao Ohsawa ,  Yusuke Nakazawa ,  Mutsumi Naniwa

IPC分类号： B41J217

CPC分类号： B41J2/175 ,  B41J2/06 ,  B41J2002/062

摘要： Inkjet printing method having the following steps: ejecting an oily ink comprising particles to a printing medium with use of an electrostatic field according to image data signals to form an image directly on the printing medium; and fixing the image to obtain a printed matter, wherein a prevention of an aggregation and/or a precipitation of the particles is conducted at least during ink circulation, or an aggregate and/or a deposit of the particles formed at least due to a suspension of ink-flow is redispersed.

摘要翻译： 喷墨打印方法具有以下步骤：根据图像数据信号将包含颗粒的油性油墨喷射到使用静电场的打印介质上以直接在打印介质上形成图像; 并且固定图像以获得印刷品，其中防止颗粒的聚集和/或沉淀至少在油墨循环期间进行，或至少由于悬浮液形成的颗粒的聚集体和/或沉积物 油墨流动被重新分散。

公开(公告)号：US06513910B2

公开(公告)日：2003-02-04

申请号：US09880820

申请日：2001-06-15

申请人： Mutsumi Naniwa ,  Yusuke Nakazawa

发明人： Mutsumi Naniwa ,  Yusuke Nakazawa

IPC分类号： B41J206

CPC分类号： B41J2/06 ,  B41J2/1707

摘要： An ink jet printing process comprising: forming an image directly on a printing medium by an electrostatic ink jet method comprising ejecting an oil ink using electrostatic field based on signals of image data; and preparing a printed matter by fixing said image, wherein said process uses: (1) an ink circulation line having the following members a, b and c: a. an ink jet ejection head, b. an ink transportation line comprising an ink feed line for feeding said oil ink to said ink jet ejection head and an ink recovery line for recovering said oil ink from said ink jet ejection head, and c. an ink tank for storing said oil ink; (2) a cleaning solution feed line for feeding a cleaning solution to said ink transportation line; and (3) a cleaning solution recovery line for recovering said cleaning solution from said ink transportation line, and wherein at the time of cleaning, said ink tank is separated from said ink transportation line, said cleaning solution feed line and said cleaning solution recovery line are connected to said ink transportation line, and a cleaning solution is transported to the ink transportation line to perform the cleaning.

公开(公告)号：US06485127B2

公开(公告)日：2002-11-26

申请号：US09852711

申请日：2001-05-11

申请人： Sadao Ohsawa ,  Yusuke Nakazawa ,  Mutsumi Naniwa

发明人： Sadao Ohsawa ,  Yusuke Nakazawa ,  Mutsumi Naniwa

IPC分类号： B41J206

CPC分类号： C09D11/36 ,  B41C1/1066 ,  B41J2/06 ,  B41J2002/061 ,  C09D11/06

摘要： Disclosed is a plate-making method and a computer-to-cylinder type lithographic printing method, each of which comprises filtering an oil-based ink; forming an image directly on a plate material by an ink jet process comprising ejecting said filtered oil-based ink using electrostatic field based on signals of image data; and fixing said formed image to prepare a printing plate. Also disclosed are a plate-making apparatus and a computer-to-cylinder type lithographic printing method suitable for these methods, respectively.

摘要翻译： 公开了一种制版方法和一种计算机对圆筒型平版印刷方法，每种方法包括过滤油基油墨; 通过喷墨法直接在平板材料上形成图像，包括基于图像数据的信号使用静电场喷射所述过滤的油基油墨; 并固定所述形成的图像以制备印版。 还公开了分别适用于这些方法的制版装置和计算机对圆柱型平版印刷方法。

公开(公告)号：US06470799B2

公开(公告)日：2002-10-29

申请号：US09818529

申请日：2001-03-28

申请人： Yusuke Nakazawa ,  Hideyuki Koguchi ,  Kazuo Ishii ,  Eiichi Kato

发明人： Yusuke Nakazawa ,  Hideyuki Koguchi ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41C110

CPC分类号： B41J2/06 ,  B41C1/1066 ,  B41J2002/012 ,  B41J2002/061

摘要： A method of computer-to-cylinder lithographic printing, comprising: loading a plate material on a rotative plate cylinder of a lithographic printing apparatus; rotating the plate cylinder having loaded thereon the plate material; forming an image directly onto the plate material by an inkjet image-recording process which comprises ejecting an oil-based ink from a recording head having a plurality of ejecting channels, based on image data signals, utilizing an electrostatic field, to prepare a printing plate; subsequently performing lithographic printing with the thus prepared printing plate, wherein the recording head is driven so that every n'th channel thereof is actuated in a common phase, and wherein the plate cylinder is rotated to give a surface rotational speed V (mm/sec) of the plate material as represented by the following formula: V=25.4×(f×n)/N wherein N represents a recording resolution (dots/25.4 mm) along a rotative direction of the plate cylinder on the plate material, and f represents a driving frequency f (Hz) of each ejecting channel of the recording head.

摘要翻译： 一种计算机对滚筒平版印刷的方法，包括：将平板印刷材料装载在平版印刷装置的旋转印版滚筒上; 旋转其上装有板材的印版滚筒; 通过喷墨图像记录方法将图像直接形成在板材上，其包括基于图像数据信号，利用静电场从具有多个喷射通道的记录头喷射油性油墨，以制备印刷板 ; 随后用如此制备的印版执行平版印刷，其中记录头被驱动，使得其第n个通道在公共相中被致动，并且其中印版滚筒旋转以提供表面旋转速度V（mm / sec ）如下式所示：其中N表示沿着板材上的印版滚筒的旋转方向的记录分辨率（点/ 25.4mm），f表示每个喷射的印刷滚筒的驱动频率f（Hz） 通道的记录头。

公开(公告)号：US06412937B1

公开(公告)日：2002-07-02

申请号：US09427528

申请日：1999-10-26

申请人： Eiichi Kato ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Yusuke Nakazawa

IPC分类号： B41J217

CPC分类号： C09D11/36

摘要： An ink composition for an electrostatic ink jet composed of a nonaqueous solvent having an electrical resistance of not lower than 109 &OHgr;·cm and a dielectric constant of not more than 3.5; a solid particulate material having an average particle diameter of from 0.1 to 3 &mgr;m dispersed in a nonaqueous solvent; and at least one fluorine-based surface active agent which is soluble in the nonaqueous solvent. The surface active agent is present in an amount from about 0.05 to 5% by weight based on the weight of the ink composition.

摘要翻译： 一种静电喷墨用油墨组合物，其特征在于，由电阻不低于10欧姆·厘米，介电常数不大于3.5的非水溶剂构成; 分散在非水溶剂中的平均粒径为0.1〜3μm的固体颗粒材料; 和至少一种可溶于非水溶剂的氟基表面活性剂。 基于油墨组合物的重量，表面活性剂的存在量为约0.05至5重量％。

公开(公告)号：US6045956A

公开(公告)日：2000-04-04

申请号：US365412

申请日：1999-08-02

申请人： Eiichi Kato ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Yusuke Nakazawa

IPC分类号： G03G8/00 ,  G03G13/01

CPC分类号： G03G8/00 ,  G03G13/01

摘要： A method of forming a color image comprising forming at least one color toner image on an electrophotographic light-sensitive element whose surface has releasability by an electrophotographic process, forming a peelable transfer layer on the electrophotographic light-sensitive element bearing the toner image by an electrodeposition coating method using thermoplastic resin grains each containing a resin (AH) having a glass transition point of from 10.degree. C. to 140.degree. C. or a softening point of from 35.degree. C. to 180.degree. C. and a 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. and its glass transition point or softening point is at least 2.degree. C. lower than that of the resin (AH), transferring the toner image together with the transfer layer onto a primary receptor, and then transferring the toner image together with the transfer layer from the primary receptor onto a receiving material.The method can provide color images of high accuracy and high quality without color shear in a simple and stable manner irrespect of the kind of receiving material. The color duplicate obtained has good retouching and sealing properties and is excellent in storage stability.

摘要翻译： 一种形成彩色图像的方法，包括在电子照相感光元件上形成至少一种彩色调色剂图像，所述电子照相感光元件的表面具有通过电子照相方法的剥离性，在通过电沉积承载调色剂图像的电子照相感光元件上形成可剥离的转印层 使用具有玻璃化转变温度为10℃〜140℃，软化点为35〜180℃的树脂（AH）的热塑性树脂粒子和树脂（AL）的涂布方法， 玻璃化转变点不超过45℃或软化点不超过60℃，其玻璃化转变点或软化点比树脂（AH）低至少2℃， 将调色剂图像与转印层一起转印到主接收器上，然后将调色剂图像与转印层一起从初级接收器转印到接收材料上。 该方法可以以简单且稳定的方式提供高精度和高质量的彩色图像，而无需接收材料的种类。 获得的颜色副本具有良好的修饰和密封性能，并且储存稳定性优异。