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公开(公告)号：US20240217253A1
公开(公告)日：2024-07-04
申请号：US18590518
申请日：2024-02-28
申请人： FUJIFILM Corporation
发明人： Atsushi MATSUURA , Keisuke Arimura
CPC分类号： B41N1/083 , B41C1/1016 , B41N3/08 , G03F7/3035 , G03F7/70025 , B41C2201/06 , B41C2210/04 , B41C2210/08
摘要： The present invention provides a support for a lithographic printing plate, from which a lithographic printing plate precursor having excellent scratch resistance can be obtained by combining the support with an image recording layer, a lithographic printing plate precursor, and a method of producing a lithographic printing plate. The support for a lithographic printing plate according to the present invention, including an aluminum plate, and an anodized aluminum film disposed on the aluminum plate, in which a plurality of projections are present on a surface of the support for a lithographic printing plate on a side of the anodized film, an average value of equivalent circular diameters of the projections in a cut surface at a position that is 0.5 μm greater than a position of the projections with an average height is in a range of 3.0 to 10.0 μm, and a density of the projections with a height of 0.5 μm or greater from the position of the projections with the average height is in a range of 3,000 to 9,000 pc/mm2.
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2.发明公开公开(公告)号：US20240208200A1
公开(公告)日：2024-06-27
申请号：US18588680
申请日：2024-02-27
申请人： FUJIFILM Corporation
发明人： Shumpei WATANABE , Akira SAKAGUCHI
CPC分类号： B41C1/1016 , B41N1/083 , B41N3/08 , G03F7/2004 , G03F7/70025 , B41C2201/02 , B41C2201/06 , B41C2210/04 , B41C2210/08 , B41C2210/22
摘要： The present invention provides an on-press development type lithographic printing plate precursor including, in the following order, a support, an image-recording layer, and a protective layer, in which the image-recording layer contains a) a polymerizable compound, b) an infrared absorber, c) a polymerization initiator, and d) a color forming substance precursor, and the protective layer contains an ultraviolet absorber, and a method of preparing a printing plate.
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公开(公告)号：US11230135B2
公开(公告)日：2022-01-25
申请号：US16405565
申请日：2019-05-07
申请人： XEROX CORPORATION
发明人： Varun Sambhy , Lin Ma , Kyle B. Tallman , Santokh S. Badesha , Michael S. Roetker , Mark C. Petropoulos , Jack T. LeStrange , Joseph C. Sheflin , Peter J. Knausdorf , Jorge A. Alvarez
IPC分类号： B41N10/04 , B41F7/02 , B32B5/24 , B32B25/10 , B41C1/10 , B41F3/30 , B41J2/005 , B41M1/06 , B41N3/08
摘要： The present disclosure is directed to a multilayer imaging blanket for a variable data lithography printing system, including: a multilayer base having a lower contacting surface configured to wrap around or to be mounted on a cylinder core of the variable data lithography printing system; and a platinum catalyzed fluorosilicone surface layer opposite the lower contacting surface; wherein the multilayer base is a sulfur-free carcass including: a top layer including a sulfur-free rubber substrate such as an ethylene propylene diene monomer (EPDM) rubber substrate, a bottom layer including the lower contacting surface; and a compressible layer disposed between the top layer and the bottom layer, the compressible layer being attached to a surface of the top layer opposite the platinum catalyzed fluorosilicone surface layer and a surface of the bottom layer opposite the lower contacting surface, optionally the top layer further comprises a reinforcing fabric layer, the reinforcing fabric layer attached to a surface of the compressible layer opposite the bottom layer.
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4.发明申请公开(公告)号：US20210402821A1
公开(公告)日：2021-12-30
申请号：US16917044
申请日：2020-06-30
申请人： Xerox Corporation
摘要： According to aspects of the embodiments, there is provided a method of determining the amount of fountain solution employed in a digital offset lithography printing system. Fountain solution thickness is determined by examining optical density of some halftone or solid patch versus laser current level. The apparatus and method uses a variable current signal to dither or perturb the laser imaging system to irradiate a fountain solution layer to create patches at different laser current levels. An aptly programmed controller then process optical density measurements to indirectly estimate fountain solution level.
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公开(公告)号：US10668764B2
公开(公告)日：2020-06-02
申请号：US15991674
申请日：2018-05-29
申请人： FUJIFILM Corporation
摘要： A lithographic printing plate precursor, comprising a layer arrangement according to any one of the following (i) to (iv): (i) a support and an image recording layer; (ii) a support, an undercoat layer, and an image recording layer; (iii) a support, an image recording layer, and a protective layer; or (iv) a support, an undercoat layer, an image recording layer, and a protective layer, wherein: a layer containing a hydrophilic agent is included in the layer arrangement between the support and an innermost layer, between adjacent layers, or on an outermost layer other than the protective layer, the layer containing a hydrophilic agent contacts a region of at least one of, but not all of, the support, the undercoat layer, the image recording layer, or the protective layer, and an amount of sag of an end portion of the lithographic printing plate precursor is from 30 μm to 150 μm.
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公开(公告)号：US20190079407A1
公开(公告)日：2019-03-14
申请号：US16084629
申请日：2017-02-03
申请人： AGFA NV
发明人： Philippe MORIAME , Iris BOGUNOVIC
摘要： An apparatus for processing a lithographic printing plate material includes a development unit including a development cavity, the cavity including a bottom plate, a cover plate and sidewalls which together define a volume which is closed with the exception of an entry aperture which allows a plate material to enter the cavity and an exit aperture which allows a plate material to leave the cavity; wherein the cover plate is provided with at least one protruding element at the side facing the development unit.
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公开(公告)号：US20190072855A1
公开(公告)日：2019-03-07
申请号：US16084259
申请日：2017-02-03
申请人： AGFA NV
发明人： Philippe MORIAME , Iris BOGUNOVIC
摘要： A method for processing a lithographic printing plate includes development with an alkaline solution and gumming with a first gum solution and subsequently with a second gum solution, wherein both gum solutions are provided in a cascade configuration wherein the second gum solution overflows into the first gum solution and wherein the plate material includes an aluminium support having a hydrophilic surface which includes more than 2.0 g/m2 of aluminum oxide.
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8.发明授权公开(公告)号：US10099468B2
公开(公告)日：2018-10-16
申请号：US15467309
申请日：2017-03-23
申请人： FUJIFILM Corporation
摘要： Provided is a planographic printing plate precursor including: a support; and an image recording layer formed on the support, in which the content of fine particles per unit area in a region on a plate surface on the image recording layer side from an end portion of the planographic printing plate precursor to a portion inside the end portion by 5 mm is greater than the content of the fine particles per unit area in a region other than the region by an amount of 10 mg/m2 or greater, edge stains are not generated therein, and transferring of the image recording layer is prevented even in a case where planographic printing plate precursors are stored in a stacked state. Further, provided are a method of producing the same and a printing method using the same.
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公开(公告)号：US09630423B2
公开(公告)日：2017-04-25
申请号：US14028330
申请日：2013-09-16
申请人： XEROX CORPORATION
发明人： Sarah J. Vella , Carolyn Moorlag
IPC分类号： B41J2/435 , B05D3/14 , G03G13/28 , B41C1/10 , B41M1/06 , B41N1/00 , G03G7/00 , B41M5/00 , B41N3/08
CPC分类号： B41J2/435 , B05D3/148 , B05D2506/10 , B41C1/1066 , B41M1/06 , B41M5/0047 , B41N1/003 , B41N3/08 , G03G7/0046 , G03G13/283
摘要： An ink-based digital printing system suitable for use with hydrophilic and/or aqueous dampening fluids includes an imaging member having an imaging member material that is hydrophilic at the imaging surface.
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10.发明申请公开(公告)号：US20160339730A1
公开(公告)日：2016-11-24
申请号：US15226212
申请日：2016-08-02
申请人： FUJIFILM Corporation
摘要： An object of the present invention is to provide a manufacturing method for a lithographic printing plate precursor which can simplify a manufacturing step while maintaining the performance of preventing edge stains and in which there are neither setter contaminations nor vendor contaminations; the lithographic printing plate precursor; a plate manufacturing method for a lithographic printing plate; and a printing method using the above-described lithographic printing plate.The manufacturing method for a lithographic printing plate precursor of the present invention includes: an image recording layer forming step of forming an image recording layer as an a step; a coating step of coating a partial region of the image recording layer, which is formed in the a step, with a coating liquid containing a hydrophilic agent, as a b step; and a cutting step of cutting the lithographic printing plate precursor such that the region coated with the above-described coating liquid is in a range within 1 cm from the end portion of the lithographic printing plate precursor after being cut, as a c step, in which the c step is performed after performing either the a step and b step in this order or the b step and the a step in this order, on a hydrophilic aluminum support.
摘要翻译： 本发明的平版印刷版原版的制造方法包括：作为步骤形成图像记录层的图像记录层形成步骤; 作为b步骤的涂布步骤，用包含亲水剂的涂布液涂覆在该步骤中形成的图像记录层的部分区域; 以及切割平版印刷版原版的切割步骤，使得涂覆有上述涂布液的区域在切割之后距离平版印刷版原版的端部1cm内，作为交流步骤，其中 在亲水铝支架上执行以下顺序执行步骤和b步骤或b步骤和a步骤之后执行c步骤。
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