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11.发明专利
公开(公告)号：JP2001138127A
公开(公告)日：2001-05-22
申请号：JP32181199
申请日：1999-11-11
Applicant: KODAK POLYCHROME GRAPHICS JP
Inventor： OKANO HIROSHI
Abstract: PROBLEM TO BE SOLVED: To provide a cutting blade for a metal plate stack and a cutting method for the metal plate stack by using this cutting blade capable of suppressing agglutination of metal powder to a blade surface for a long period and holding good sharpness for a long period. SOLUTION: This cutting blade, which cuts a metal plate shack of a plurality of metal plates, is a cutting blade 1 for the metal plate piled object provided with a fluorine polymerized hard film 6 in a surface of the base material 5, and uses a cutting method for a metal plate stack by pressing the above cutting blade 1 for a metal plate stack into the metal plate stack of a plurality of the metal plates.
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公开(公告)号：JP2006058796A
公开(公告)日：2006-03-02
申请号：JP2004242968
申请日：2004-08-23
Applicant: Kodak Polychrome Graphics Japan Ltd , コダックポリクロームグラフィックス株式会社
Inventor： KOJIMA YASUHIKO
IPC: G03F7/11 , C08F122/38 , G03F7/00
Abstract: PROBLEM TO BE SOLVED: To provide a lithographic printing original plate that is free of staining of a non-image portion and superior in latitude in development. SOLUTION: The lithographic printing original plate has an underlayer, containing a maleamic acid (co)polymer in which at least one hydrogen atom on a nitrogen atom has been substituted by an onium group, in between the photosensitive layer and the support. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种无印迹非平版印刷版的平版印刷原版，显影纬度优越。 解决方案：平版印刷原版具有底层，其含有其中至少一个氮原子上的氢原子被鎓基取代的马来酰胺酸（共）聚合物，位于感光层和载体之间。 版权所有（C）2006，JPO＆NCIPI
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13.发明专利
公开(公告)号：JP2006053571A
公开(公告)日：2006-02-23
申请号：JP2005249272
申请日：2005-08-30
Applicant: Kodak Polychrome Graphics Japan Ltd , コダックポリクロームグラフィックス株式会社
Inventor： HIDAKA KATSUHIKO , TSUCHIYA TATSUTADA , AKAMATSU MASAO , YAGISAWA HIROMASA
IPC: G03F7/004 , G03F7/095 , B41C1/10 , B41M5/36 , B41N1/14 , G03F7/00 , G03F7/032 , G03F7/039 , G03F7/32 , G03F7/38
CPC classification number: B41C1/1008 , B41C1/1016 , B41C2210/02 , B41C2210/06 , B41C2210/14 , B41C2210/22 , B41C2210/24 , B41C2210/262 , Y10S430/145 , Y10S430/146 , Y10S430/165
Abstract: PROBLEM TO BE SOLVED: To provide a positive photosensitive lithographic printing plate which can be exposed by laser beam scanning, has high sensitivity and good storage stability, ensures excellent solubility of the exposed portion of a photosensitive layer in development, can develop a clear image, and excels in printing durability and chemical resistance, and to provide a method of producing the same and a method for forming a positive image using the same. SOLUTION: The positive photosensitive lithographic printing plate has a photosensitive layer containing a photothermal conversion material having an absorption region within a wavelength range of 600-1,300 nm and an alkali-soluble resin, wherein the photosensitive layer is a laminate consisting of a plurality of layers and is configured such that the dissolution rate of the photosensitive layer in an alkali developer in the unexposed state continuously increases from the upper surface part of the photosensitive layer to the lower part of the photosensitive layer. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：为了提供可以通过激光束扫描曝光的正性光敏平版印刷版，具有高灵敏度和良好的储存稳定性，确保感光层的曝光部分在显影中的优异溶解性，可以开发出 清晰的图像，并且印刷耐久性和耐化学性优异，并且提供其制造方法和使用其形成正像的方法。 正光敏平版印刷版具有包含光吸收转换材料的光敏层，该光热转换材料具有在600-1,300nm波长范围内的吸收区域和碱溶性树脂，其中感光层是由 多层，并且被配置为使得感光层在未曝光状态下的碱性显影剂中的溶解速率从感光层的上表面部分到感光层的下部连续增加。 版权所有（C）2006，JPO＆NCIPI
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14.发明专利
公开(公告)号：JP2005345921A
公开(公告)日：2005-12-15
申请号：JP2004167692
申请日：2004-06-04
Applicant: Kodak Polychrome Graphics Japan Ltd , コダックポリクロームグラフィックス株式会社
Inventor： ISHIZUKA YASUHIRO , KOJIMA YASUHIKO
Abstract: PROBLEM TO BE SOLVED: To provide a means to prevent film formation on a surface of a photosensitive composition containing self-water-dispersible fine resin particles, and to avoid deterioration in image quality, peeling and cracking of a surface of a photosensitive layer and environmental pollution, caused by the film.
SOLUTION: A photosensitive composition containing (A) self-water-dispersible fine resin particles and (B) a photothermal conversion agent is further blended with (C) an uncrosslinked polymer, having a sulfonic acid group other than (A) the self-water-dispersible fine resin particles in an amount effective to prevent film formation on a surface of the photosensitive composition.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：为了提供防止在含有自水分散性树脂微粒的感光性组合物的表面上成膜的方法，并且为了避免图像质量的劣化，光敏表面的剥离和开裂 层和环境污染，由电影引起。 ＆lt; P＆gt;解决方案：含有（A）自水分散性树脂微粒和（B）光热转换剂的感光性组合物进一步与（C）除（A）以外的磺酸基的未交联聚合物 自水分散性的树脂微粒，其量有效地防止在感光性组合物的表面形成膜。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2004261968A
公开(公告)日：2004-09-24
申请号：JP2003027067
申请日：2003-02-04
Applicant: Kodak Polychrome Graphics Japan Ltd , コダックポリクロームグラフィックス株式会社
Inventor： HAYASHI KOJI
CPC classification number: B41C1/1033
Abstract: PROBLEM TO BE SOLVED: To provide a lithographic printing plate original which can be directly processed into a printing plate by the irradiation with infrared laser light based on a digital signal, the obtained printing plate being able to be attached for immediate printing use as such to a printing machine without development procedure after exposure, and shows successful ablation efficiency (sensitivity) and consequent superb resistance to plate wear of the plate original.
SOLUTION: This lithographic printing plate original has a support 11 and a lipophilic layer 12 formed on the support 11. The lipophilic layer 12 contains a crosslinked product obtained by crosslinking a polymer having a heat decomposable group in a main chain with a crosslinking agent. The platemaking method is to remove the lipophilic layer 12 of the exposed part of the original by exposing it to the infrared laser light.
COPYRIGHT: (C)2004,JPO&NCIPI-
Patent Agency Ranking16.发明专利
公开(公告)号：JP2003320764A
公开(公告)日：2003-11-11
申请号：JP2002221054
申请日：2002-07-30
Applicant: Kodak Polychrome Graphics Japan Ltd , Tokushu Paper Mfg Co Ltd , コダックポリクロームグラフィックス株式会社 , 特種製紙株式会社
Inventor： TSUCHIKAWA KEIICHI , HIDAKA KATSUHIKO , AKAMATSU MASAO , KANEDA KENJI
IPC: G03F7/004 , B41N3/00 , B41N6/00 , D21H17/16 , D21H17/37 , D21H19/10 , D21H19/20 , D21H27/00 , D21H27/10 , G03C3/00 , G03F7/00
CPC classification number: D21H17/16 , B41N3/00 , B41N6/00 , D21H17/375 , D21H19/10 , D21H27/001 , G03C3/00 , Y10T428/31993
Abstract: PROBLEM TO BE SOLVED: To provide a slip sheet for a lithographic printing plate which closely adheres to an image forming face of the lithographic printing plate by being charged appropriately with electricity in a manufacturing process of the lithographic printing plate, and exhibits good release properties, discharging properties and storing properties in an automatic plate feeding apparatus by rapid attenuation of being charged with electricity after lamination, and in heat treatment, can prevent at the same time, sticking between the slip sheet and the image forming face from generating, and is especially effective in the lithographic printing plate of a heat mode system and a photon mode system wherein an image is formed by laser exposure.
SOLUTION: The slip sheet for the lithographic printing plate for protecting the lithographic printing plate is characterized by a coefficient of static friction between faces where the slip sheet is brought into contact with the image forming face of the lithographic printing plate being at most 0.35, a surface strength of the slip sheet being at least 15, and a Clark hardness of the slip sheet being 20-50.
COPYRIGHT: (C)2004,JPOAbstract translation: 要解决的问题：提供一种用于平版印刷版的滑片，其通过在平版印刷版的制造工艺中适当地充电而紧密地附着于平版印刷版的成像面，并且显示良好 在自动送纸装置中通过在层压之后快速衰减而被充电的放电特性，放电性能和储存性能，并且在热处理中，可以防止滑片与成像面之间的粘附产生， 并且在通过激光曝光形成图像的热模式系统和光子模式系统的平版印刷版中特别有效。 解决方案：用于保护平版印刷版的平版印刷版的滑片的特征在于滑动片与平版印刷版的图像形成面接触的面之间的静摩擦系数至多为 0.35，滑片的表面强度为15以上，滑动片的克拉克硬度为20〜50。 版权所有（C）2004，JPO
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17.发明专利
公开(公告)号：JP2003107687A
公开(公告)日：2003-04-09
申请号：JP2001298819
申请日：2001-09-28
Applicant: KODAK POLYCHROME GRAPHICS JP
Inventor： KOJIMA YASUHIKO
Abstract: PROBLEM TO BE SOLVED: To provide a positive photosensitive lithographic printing plate excellent in storage stability, development latitude and solvent resistance in which an image can be formed by IR rays and to provide a positive photosensitive composition to form the above positive photosensitive lithographic printing plate. SOLUTION: The positive photosensitive composition contains (a) an alkali soluble resin, (b) photothermal converting agent and (c) an oxadiazole compound or a thiadiazole compound. The positive photosensitive lithographic printing plate has a photosensitive layer comprising the above positive photosensitive composition formed on the surface of a supporting body.
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公开(公告)号：JP2003093950A
公开(公告)日：2003-04-02
申请号：JP2001293238
申请日：2001-09-26
Applicant: KODAK POLYCHROME GRAPHICS JP
Inventor： OKAMURA MORIHITO
Abstract: PROBLEM TO BE SOLVED: To provide a coating device which can continuously carry out stable coating for a long time without causing a horizontal stripe and a vertical line on a coating film. SOLUTION: In the coating device 30 provided with a liquid supply nozzle 12 which coats a web 1 with a coating liquid 2, a metering roll 13 which regulates film thickness of the coating liquid 2 applied to the web 1, and a doctor blade 14 which scrapes the coating liquid 2 transferred to the roll 13, a liquid trough 32 which reserves the coating liquid 2 scraped by the doctor blade 14 between itself and the doctor blades 14 is attached to the doctor blade 14 so that the reserved coating liquid 2 can be brought into contact with full width of the metering roll 13.
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公开(公告)号：JP2002333707A
公开(公告)日：2002-11-22
申请号：JP2001140038
申请日：2001-05-10
Applicant: KODAK POLYCHROME GRAPHICS JP
Inventor： YUNO MARU
Abstract: PROBLEM TO BE SOLVED: To provide a photosensitive composition which can be subjected to direct writing with IR emitting solid and semiconductor lasers, etc., and has superior storage stability and burning stain resistance and to provide a photosensitive planographic printing plate and a method for producing a planographic printing plate. SOLUTION: The photosensitive composition contains an alkali-soluble resin, an IR absorbent and an antioxidant. This antioxidant is preferably a phosphorous ester compound and/or a mercaptoimidazole compound. Preferably a cyclic acid anhydride is further contained. The photosensitive planographic printing plate has a photosensitive layer comprising the photosensitive composition formed on a support. In the method for producing a planographic printing plate, the photosensitive layer of the photosensitive planographic printing plate is imagewise exposed with active light of >=700 nm wavelength and the exposed parts are dissolved in an alkaline developing solution and removed.
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公开(公告)号：JP2002059669A
公开(公告)日：2002-02-26
申请号：JP2000247043
申请日：2000-08-16
Applicant: KODAK POLYCHROME GRAPHICS JP
Inventor： OKANO HIROSHI , KOJIMA YASUHIKO
Abstract: PROBLEM TO BE SOLVED: To provide an interleaving paper, for a photosensitive lithographic printing plate for laser exposure, which can be easily released by an automatic interleaving paper release device, even when the paper is directly arranged on a photosensitive layer. SOLUTION: The interleaving paper with 100 g or more rigidity and 2.0 g/μm or more rigidity per unit thickness is used. In addition, the interleaving paper can be released easily by the automatic interleaving paper release device by setting the smoothness of a contact area coming into contact with the photosensitive layer of the photosensitive lithographic printing plate for laser exposure at 30" or less. Further, the release properties of the paper from a support constituting the printing plate are upgraded even when a plurality of the lithographic printing plates for laser exposure are superposed, by setting the smoothness of also a non-contact area with the photosensitive layer at 30" or less.
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