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：US06843553B2

公开(公告)日：2005-01-18

申请号：US09741071

申请日：2000-12-21

申请人： Kazuo Ishii ,  Yusuke Nakazawa ,  Sadao Ohsawa ,  Eiichi Kato

发明人： Kazuo Ishii ,  Yusuke Nakazawa ,  Sadao Ohsawa ,  Eiichi Kato

IPC分类号： B41C1/10 ,  B41J2/06 ,  B41J3/407 ,  B41J3/60 ,  B41M5/00 ,  B41M7/00 ,  G01D11/00

CPC分类号： B41M5/00 ,  B41J2/06 ,  B41J3/60 ,  B41J2002/012 ,  B41J2002/061 ,  B41M7/00 ,  B41P2227/70

摘要： An ink jet printing method which comprises: directly forming an image on a printing medium on the basis of signals of image data; and fixing the image to produce a printed matter, wherein said image formation is carried out by an ink jet system of ejecting an oily ink by an electrostatic field. The method preferably further comprises cleaning an ink jet head, said cleaning step comprising: immersing said ink jet head in a cleaning solution; and applying voltage to said ink jet head. Alternatively, the method preferably further comprises, when a malfunction happens, either or both of stopping the image formation and eliminating a cause of the malfunction. Also disclosed are printing apparatuses suitably used for these methods.

摘要翻译： 一种喷墨打印方法，包括：基于图像数据的信号直接在打印介质上形成图像; 并且固定图像以产生印刷物，其中所述图像形成由通过静电场喷射油性墨水的喷墨系统进行。 该方法优选还包括清洁喷墨头，所述清洁步骤包括：将所述喷墨头浸入清洁溶液中; 并向所述喷墨头施加电压。 或者，该方法优选地还包括当发生故障时，停止图像形成或消除故障原因中的一个或两者。 还公开了适用于这些方法的印刷装置。

公开(公告)号：US06834586B1

公开(公告)日：2004-12-28

申请号：US09980112

申请日：2001-11-30

申请人： Sadao Ohsawa ,  Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

发明人： Sadao Ohsawa ,  Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41C110

CPC分类号： B41M1/06 ,  B41C1/1066 ,  B41J2/06 ,  B41J3/60 ,  B41J2002/012 ,  B41J2002/061 ,  B41M7/009 ,  B41P2227/70

摘要： An on-press recording type lithographic printing method comprising mounting a plate material on a plate cylinder of a press, ejecting an oil-based ink onto the plate material from a recording head having a plurality of ejection channels utilizing an electrostatic field according to signals of image data to directly form an image on the surface of the plate material and prepare a printing plate, and then effecting the lithographic printing using the printing plate as it is, wherein the distance of the ejection channels is 170 &mgr;m, or more (150 dpi (150 dots per inch) or less as calculated in terms of resolution of recorded image).

摘要翻译： 一种按压记录型平版印刷方法，包括将板材安装在印刷机的印版滚筒上，从具有多个喷射通道的记录头将油性墨喷射到板材上，利用静电场根据 图像数据，以在板材的表面上直接形成图像，并准备印刷版，然后使用印版进行平版印刷，其中喷射通道的距离为170μm以上（150dpi （150点/英寸）以下）。

公开(公告)号：US06305787B1

公开(公告)日：2001-10-23

申请号：US09419393

申请日：1999-10-15

申请人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

发明人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41J214

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

摘要： An ink jet recording method comprising: supplying insulating oily ink to an ejection part disposed so as to face a recording medium; irradiating the ink at the ejection part with light; applying an electrostatic field to the ink at the ejection part under irradiation in accordance with image data so as to eject the ink to form an image on the recording medium; and recovering excess ink from the ejection part. Also disclosed is an ink jet recording apparatus suitable for the ink jet recording method.

摘要翻译： 一种喷墨记录方法，包括：向设置成面对记录介质的喷射部分供给绝缘油性油墨; 用光在喷射部分照射墨水; 根据图像数据在照射下在喷射部分处向静电场施加静电场，以便喷射墨以在记录介质上形成图像; 并从喷射部分回收多余的油墨。 还公开了适用于喷墨记录方法的喷墨记录装置。

公开(公告)号：US06513434B1

公开(公告)日：2003-02-04

申请号：US09572433

申请日：2000-05-17

申请人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato ,  Sadao Ohsawa

发明人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato ,  Sadao Ohsawa

IPC分类号： B41C110

CPC分类号： B41J2/20 ,  B41C1/1066 ,  B41J2/06 ,  B41J2/175

摘要： An on-press recording type lithographic printing method involving an ink jet process which comprises ejecting an oil-based ink onto a printing plate material mounted on the plate cylinder of a press utilizing an electrostatic field according to signals of image data, whereby an image is directly formed on the surface of said printing plate precursor, thereby preparing a printing plate which is then used as it is to effect lithographic printing, characterized in that when any abnormality occurs, the formation of image is suspended and/or the cause of abnormality is removed.

摘要翻译： 包括喷墨方法的按压记录型平版印刷方法，其包括根据图像数据的信号，使用静电场将油性油墨喷射到安装在印刷机的印版滚筒上的印版上，从而图像是 直接形成在所述印版前体的表面上，从而制备印刷版，然后将其原样用于进行平版印刷，其特征在于，当发生任何异常时，图像的形成被暂停和/或异常的原因是 删除。

公开(公告)号：US06241341B1

公开(公告)日：2001-06-05

申请号：US09418656

申请日：1999-10-15

申请人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

发明人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41J206

CPC分类号： B41J2/06 ,  B41J2002/061

摘要： An ink jet recording method comprising: supplying insulating oily ink to an ejection part disposed so as to face a recording medium; applying an electrostatic field to the ink at the ejection part; irradiating the ink subjected to the electrostatic field at the ejection part with light in accordance with image data so as to eject the ink to form an image on the recording medium; and recovering excess ink from the ejection part. Also disclosed is an ink jet recording apparatus suitable for the ink jet recording method.

摘要翻译： 一种喷墨记录方法，包括：向设置成面对记录介质的喷射部分供给绝缘油性油墨; 在喷射部分向油墨施加静电场; 根据图像数据用光照射在喷射部分处于静电场的墨水，以便喷射墨水以在记录介质上形成图像; 并从喷射部分回收多余的油墨。 还公开了适用于喷墨记录方法的喷墨记录装置。

公开(公告)号：US5700612A

公开(公告)日：1997-12-23

申请号：US661723

申请日：1996-06-11

申请人： Eiichi Kato ,  Yusuke Nakazawa ,  Kazuo Ishii

发明人： Eiichi Kato ,  Yusuke Nakazawa ,  Kazuo Ishii

IPC分类号： G03G13/26 ,  G03G13/28

CPC分类号： G03G13/26 ,  G03G13/283

摘要： A method for preparation of a printing plate by an electrophotographic process comprising providing a peelable transfer layer (T) containing a resin (A) capable of being removed upon a chemical reaction treatment on an electrophotographic light-sensitive element, forming a toner image on the transfer layer by an electrophotographic process, providing an adhesive layer (M) containing a thermoplastic resin (B) only on the toner image, transferring the toner image together with the transfer layer (T) and the adhesive layer (M) from the electrophotographic light-sensitive element to a primary receptor, transferring the toner image together with the transfer layer (T) and the adhesive layer (M) from the primary receptor to a receiving material having a surface capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing, and then removing the transfer layer (T) in the non-image portion on the receiving material by the chemical reaction treatment. According to the method of the present invention, printing plates which produce prints of good image qualities having a lage proportion of image areas can be continuously obtained in a stable manner for a long period of time even when a thickness of the transfer layer is reduced or the transfer is conducted under conditions of low temperature, low pressure and high speed irrespective of the kind of toner employed.

摘要翻译： 一种通过电子照相方法制备印版的方法，包括提供含有可在电子照相感光元件进行化学反应处理时能除去的树脂（A）的可剥离转印层（T），在 通过电子照相方法转印层，仅在调色剂图像上提供含有热塑性树脂（B）的粘合剂层（M），将调色剂图像与转印层（T）和粘合剂层（M）一起从电子照相光转印 将调色剂图像与转印层（T）和粘合剂层（M）一起从初级接收体转移到具有能够提供适合于平版印刷的亲水表面的表面的接收材料 打印时间，然后通过化学反应处理去除接收材料上的非图像部分中的转印层（T）。 根据本发明的方法，即使当转印层的厚度减小时，也可以长期稳定地连续地获得具有图像面积比例大的具有良好图像质量的印刷品的印刷版， 转移在低温，低压和高速的条件下进行，而与使用的调色剂的种类无关。

公开(公告)号：US06862992B2

公开(公告)日：2005-03-08

申请号：US09396238

申请日：1999-09-15

申请人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

发明人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41F7/02 ,  B41C1/10 ,  B41J2/01

CPC分类号： B41C1/1066 ,  B41C1/10

摘要： A method of lithographic printing is disclosed, which includes forming an image based on signals of image data directly on a printing plate precursor mounted on a plate cylinder of a printing press, thereby preparing a printing plate, and conducting lithographic printing, wherein the formation of the image on the printing plate precursor is carried out by an ink jet recording method in which oil-based ink is ejected utilizing an electrostatic field.

摘要翻译： 公开了一种平版印刷方法，其包括基于图像数据的信号直接在安装在印刷机的印版滚筒上的印版原版上形成图像，从而制备印版，并进行平版印刷，其中形成 通过喷墨记录方法进行印版前体上的图像，其中使用静电场喷射油性油墨。

公开(公告)号：US6152037A

公开(公告)日：2000-11-28

申请号：US268116

申请日：1999-03-15

申请人： Kazuo Ishii ,  Sadao Osawa ,  Yusuke Nakazawa ,  Eiichi Kato

发明人： Kazuo Ishii ,  Sadao Osawa ,  Yusuke Nakazawa ,  Eiichi Kato

IPC分类号： B41F7/02 ,  B41C1/10 ,  B41M5/00 ,  B41N1/14 ,  C09D11/00 ,  C09D11/322 ,  C09D11/328 ,  C09D11/36

CPC分类号： C09D11/36 ,  B41C1/1066 ,  B41M1/06

摘要： A method of lithographic printing comprising forming an image based on signals of image data directly on a printing plate precursor mounted on a plate cylinder of a printing press, thereby preparing a printing plate, and conducting lithographic printing, wherein the formation of image on the printing plate precursor is carried out by an ink jet recording method in which oil-based ink is ejected utilizing an electrostatic field. According to the method of the present invention, a large number of prints having clear images can be obtained. Further, a printing plate is directly formed corresponding to digital image data in a printing press, and lithographic printing is performed at a low cost and a high speed.

摘要翻译： 一种平版印刷方法，包括基于图像数据的信号直接在安装在印刷机的印版滚筒上的印版原版上形成图像，从而制备印版，并进行平版印刷，其中在印刷上形成图像 通过使用静电场喷射油性墨的喷墨记录方法进行印版前体。 根据本发明的方法，可以获得大量具有清晰图像的打印。 此外，在印刷机中对应于数字图像数据直接形成印版，并且以低成本和高速执行平版印刷。

公开(公告)号：US5882828A

公开(公告)日：1999-03-16

申请号：US816654

申请日：1997-03-13

申请人： Eiichi Kato ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Yusuke Nakazawa

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

CPC分类号： G03G13/283 ,  G03G13/16

摘要： 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.

摘要翻译： 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。