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71. 发明专利

JPS60156063A METHOD AND APPARATUS FOR AUTOMATICALLY DEVELOPING PHOTOSENSITIVE LITHOGRAPHIC PLATE 失效
公开(公告)号：JPS60156063A
公开(公告)日：1985-08-16
申请号：JP1174684
申请日：1984-01-25
申请人： FUJI PHOTO FILM CO LTD
发明人： IMAI MASANORI , SHIMAMOTO MITSUO , KITA NOBUYUKI
IPC分类号： G03D3/00 , G03D3/06 , G03F7/30
摘要： PURPOSE:To maintain the concn. of a developing soln. in a prescribed range by measuring the AC impedance value of the developing soln. and compensating evaporation of water with a diluent. CONSTITUTION:When a PS plate is inserted in the direction of an arrow 20, a detector 21 actuates to feed a developing soln. in a developing tank 36 to a nozzle tube 28 and spray it. A nonimage part is removed with brush rollers 29, 31. The sprayed developing soln. is freed from insoluble matters with a filter 35, and recovered to the tank 36. A developer replenishing soln. 43 is supplied in accordance with the output of the detector 21. An impedance measuring sensor 38 is installed in the developing soln. 37 in the circulation system, and when a value measured with the meter 39 lowers to a predetermined value, an automatic measuring means 40 actuates in accordance with its output signal to add a prescribed amt. of diluent 41 to the developing soln. As a result, rise of the concn. can be compensated, thus permitting stable development for a long time in cooperation with the replenishment of the developer.

72. 发明专利

JPS6030933B2 失效
公开(公告)号：JPS6030933B2
公开(公告)日：1985-07-19
申请号：JP6915376
申请日：1976-06-11
申请人： FUJI PHOTO FILM CO LTD
发明人： TAKENAKA HARUO , YONEZAWA TERUHIKO , INOE HIROO , KITA NOBUYUKI
IPC分类号： G03C5/08 , G03F1/00 , G03F1/88 , G03F7/022

73. 发明专利

JPS59225998A MANUFACTURE OF BASE FOR PLANOGRAPHIC PRINTING PLATE 失效
公开(公告)号：JPS59225998A
公开(公告)日：1984-12-19
申请号：JP10146083
申请日：1983-06-07
申请人： FUJI PHOTO FILM CO LTD
发明人： NISHIOKA AKIRA , KITA NOBUYUKI
IPC分类号： B41N3/00 , B41N3/04 , C23F1/00
摘要： PURPOSE:To obtain a base for a planographic printing plate free from contamination of non-image parts or ground contamination while retaining durability to printing, by a method wherein an aluminum plate is sanded, is then subjected to anodic oxidation, and is treated in a specified solution. CONSTITUTION:The aluminum plate used as a blank material of the base for the planographic printing plate is subjected to sanding, and then to anodic oxidation. The aluminum plate is then treated in a diluted aqueous solution of a salt of a divalent metal and phytic acid or a salt thereof at a temperature of 60- 100 deg.C. The aluminum plate thus treated is washed with water to remove excess treating solution, is dried, and then a photosensitive layer is provided thereon by coating. A photosensitive composition for constituting the photosenstive layer preferably comprises o-quinonediazide compound. A photosensitive planographic printing plate thus manufactured has high adhesive strength between the aluminum plate as the base and the photosensitive layer provided thereon, has excellent durability to printing, and a printed matter obtained thereby is completely free from ground contamination.

74. 发明专利

JPS5997146A PHOTOSENSITIVE LITHOGRAPHIC PLATE 失效
公开(公告)号：JPS5997146A
公开(公告)日：1984-06-04
申请号：JP20598382
申请日：1982-11-26
申请人： ASAHI SHIMBUN PUBLISHING , FUJI PHOTO FILM CO LTD
发明人： ARAI TOSHIFUMI , KITAGOU HARUMASA , NAKAKOSHI ISAO , MIYANO SHIZUO , KITA NOBUYUKI
IPC分类号： B41N1/08 , B41N3/08 , G03F7/00 , G03F7/004
摘要： PURPOSE:To prevent stains on the end of a printing plate in a photosensitive lithographic plate prepared by forming a photosensitive layer on an aluminum support having a hydrophilic surface by treating the end of the support to render it oleophobic. CONSTITUTION:A stack of large number of PS plates cut in the same size is coated with a oleophobic soln. on the cut face to render the ends of said plates incompatible with oils and fats. As the method for coating them with said soln., the methods of coating with a brush, a sponge roll, or using spray are used. As said treating soln., solns. known as those used for lithographic plates using an aluminum plate as a support can be effectively used. Especially, hydrophilic polymers, such as gum arabic, sodium alginate, a water-soluble cellulose, such as carboxymethyl cellulose, or other copolymers, are desirable.

75. 发明专利

JPS5948192A Protecting agent for plate for lithography 失效
标题翻译：保护板用于雕刻
公开(公告)号：JPS5948192A
公开(公告)日：1984-03-19
申请号：JP15928482
申请日：1982-09-13
申请人： Fuji Photo Film Co Ltd
发明人： KITA NOBUYUKI , MATSUMOTO HIROSHI , IMAI MASANORI
IPC分类号： B41N3/08
CPC分类号： B41N3/08
摘要： PURPOSE: To form a protecting agent for a lithographic plate, which is free of leaving parts unprinted even when the non-piture region of the lithographic plate is desensitized and the picture region is stored for a long period of time by using a water-soluble enzyme-decomposing dextrin or enzyme-decomposing etherified dextrin having a film-forming property.
CONSTITUTION: A protecting agent contains about 5W35wt% (preferably 10W 25wt%) a water-soluble enzyme-decomposing dextrin or enzyme-decomposing etherified dextrin having a film-forming property. The enzyme-decomposing dextrin is obtained by decomposing starch by an enxyme, e.g., α-amylase, β- amylase, saccharogenic amylase, etc., and the enzyme-decomposing etherified dextrin is obtained by decomposing hydroxyethyl starch, hydroxypropyl starch, ethyl starch, etc., by said enzyme.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：为了形成平版印刷版的保护剂，即使在平版印刷版的非工业区域脱敏时也不会留下未印刷的部分，并且通过使用水溶性的方式长时间储存图像区域酶分解糊精或具有成膜性的酶分解醚化糊精。构成：保护剂含有约5-35重量％（优选10-25重量％）具有成膜性的水溶性酶分解糊精或酶分解醚化糊精。酶分解糊精是通过用α-氧化酶，例如α-淀粉酶，β-淀粉酶，蔗糖淀粉酶等分解淀粉得到的，酶分解醚化的糊精是通过分解羟乙基淀粉，羟丙基淀粉，乙基淀粉，等等。

76. 发明专利

JPS57115548A PHOTOSENSITIVE PRINTING PLATE 失效
公开(公告)号：JPS57115548A
公开(公告)日：1982-07-19
申请号：JP5405580
申请日：1980-04-23
申请人： FUJI PHOTO FILM CO LTD
发明人： NAGASHIMA AKIRA , KITA NOBUYUKI
IPC分类号： G03C1/00 , G03F7/00 , G03F7/004 , G03F7/115 , G03F7/20
摘要： PURPOSE:To facilitate vacuum contact operation between an original image and a printing plate, by adding fine silica particles having a specified particle size or below this and hydrophobic surfaces and a matting agent having a specified particle size to the photosensitive layer of a photosensitive printing plate. CONSTITUTION:Silica fine particles has surface area in the air of 60% relative humidity and 20 deg.C, and they are colorless or white, light- transmitting, and 1.3-1.7 in refractive index. A photosensitive layer consisting of an o-quinonediazide compound, a diazo resin, a photosensitive azide compound, and a photopolymerizable compound is formed on a support, such as an aluminum plate or polyethylene terephthalate film. Said silica is added to said layer by 0.1-50% based on the total weight of said layer, and a matting agent having 3-40mum average particle size, made of polyethylene or the like synthetic resin, talc powder, titania powder, or the like is also added to said l ayer by 0.01-20% based on the total weight of said layer so as to give 50- 500,000 particles per cm of the surface of said layer, thus permitting a printing plate easy in vacuum contact operation to be obtained.

77. 发明专利

JPS52154626A SILVER HALIDE LIGHT SENSITIVE MATERIAL 失效
公开(公告)号：JPS52154626A
公开(公告)日：1977-12-22
申请号：JP7184576
申请日：1976-06-18
申请人： FUJI PHOTO FILM CO LTD
发明人： SHIBA EISUKE , KITA NOBUYUKI
IPC分类号： G03C5/29 , G03C1/76 , G03F7/06
摘要： PURPOSE:To enhance physical film strength, mechanical image strength, and the printing resistance of a printing plate, and improve the ink receptivity of a high sensitivity presensitized plate, by forming a specified resin layer on its surface.

78. 发明专利

JP2002211150A SUPPORT FOR HEAT-SENSITIVE LITHOGRAPHIC PRINTING PLATE 失效
公开(公告)号：JP2002211150A
公开(公告)日：2002-07-31
申请号：JP2001011825
申请日：2001-01-19
申请人： FUJI PHOTO FILM CO LTD
发明人： KITA NOBUYUKI
IPC分类号： G03F7/004 , B41N1/14 , G03F7/00
摘要： PROBLEM TO BE SOLVED: To provide a support for a heat-sensitive lithographic printing plate which need not be developed with a function to impart a print-out image with an aptitude for a light room. SOLUTION: This support for the heat-sensitive lithographic printing plate has a lipophilic layer formed on a substrate. The lipophilic layer contains a polymer compound with a functional group which generates a sulfonic acid by heat and a chemical compound which discolors due to the generated acid.

79. 发明专利

JP2002205466A HEAT-SENSITIVE LITHOGRAPHIC PRINTING ORIGINAL PLATE 失效
公开(公告)号：JP2002205466A
公开(公告)日：2002-07-23
申请号：JP2001002656
申请日：2001-01-10
申请人： FUJI PHOTO FILM CO LTD
发明人： KITA NOBUYUKI
IPC分类号： G03F7/11 , B41N1/14 , G03F7/00 , G03F7/36
摘要： PROBLEM TO BE SOLVED: To provide an ablation type heat-sensitive lithographic printing original plate having an overcoating layer for obtaining a print-out image after exposure. SOLUTION: The heat-sensitive lithographic printing original plate comprises (1) an ink acceptive layer; (2) a hydrophilic layer containing a colloidal particular oxide or a hydroxide of at least one element selected from the group consisting of beryllium, magnesium, aluminum, silicon, titanium, boron, germanium, tin, zirconium, iron, vanadium, antimony and a transition metal; and (3) a hydrophilic overcoating layer capable of being removed in a printer to be sequentially provided on a metal base plate. In this case, the overcoating layer contains a cyanine infrared ray absorption pigment of 20 wt.% or more capable of changing an optical density by an exposure.

80. 发明专利

JP2001253180A ORIGINAL PLAT FOR HEAT SENSITIVE LITHOGRAPHIC PRINTING 失效
公开(公告)号：JP2001253180A
公开(公告)日：2001-09-18
申请号：JP2000065218
申请日：2000-03-09
申请人： FUJI PHOTO FILM CO LTD
发明人： KITA NOBUYUKI , HOTTA HISASHI
IPC分类号： G03F7/004 , B41N1/14 , B41N3/03 , G03F7/00 , G03F7/11
摘要： PROBLEM TO BE SOLVED: To provide an original plate for heat sensitive lithographic printing, which is capable of printing by mounting the same directly on a printing press without applying any treatment after exposure, excellent in resistance to printing and, further, having a substrate of aluminum, improved in the sensitivity of the same. SOLUTION: This original plate for heat sensitive lithographic printing is provided on the aluminum substrate of the same with a hydrophilic layer, containing a micro-capsule, including a lipophilic constituent as well as a hydrophilic binder and converted into an image unit by heat. The aluminum substrate is characterized by comprising an anodized film of 2 g/m2 or more, which is treated through sealing treatment having the sealing rate of 50% or more.

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