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1.发明授权Alkali metal dichromate as memory resistance improver for zinc oxide photoconductors in electrostatic photography 失效碱性金属重铬酸盐作为静电摄影中氧化锌感光体的记忆阻力改进剂
公开(公告)号：US4123271A
公开(公告)日：1978-10-31
申请号：US744450
申请日：1976-11-23
CPC分类号： G03G5/04
摘要： A process for preparing a photosensitive material for electrostatic photography having an improved memory resistance, which comprises a photoconductive layer on an electrically conductive substrate, the photoconductive layer comprising (1) a finely divided inorganic photoconductor, (2) 5 to 50 parts by weight, per 100 parts by weight of the photoconductor of an electrically insulating organic synthetic resin binder having a specific resistance of at least 10.sup.14 ohm-cm, and (3) 0.001 to 1 % by weight, based on the photoconductor, of at least one photo-memory erasing compound selected from alkali metal dichromates, which process comprises forming the photoconductive layer by applying a coating composition to the electrically conductive substrate at a coating weight of 5 to 50 g/m.sup.2, the coating composition comprising the photo-memory erasing compound, the photoconductor, the resin binder, an aromatic solvent in which the resin binder is dissolved or dispersed, an a polar solvent for the photo-memory erasing compound, the polar solvent being soluble in the aromatic solvent and being selected such that the photo-memory erasing compound is soluble in said polar solvent.
摘要翻译： 一种用于制备具有改进的记忆电阻的静电摄影用感光材料的方法，其包括导电性基板上的光电导层，所述光电导层包含（1）细碎无机感光体，（2）5〜50重量份， 每100重量份电阻率为至少1014欧姆 - 厘米的电绝缘有机合成树脂粘合剂的光电导体，和（3）基于光电导体的0.001至1重量％的至少一个光致抗蚀剂， 记忆擦除化合物，选自碱金属重铬酸盐，该方法包括通过以5至50g / m 2的涂层重量将涂料组合物施涂到导电基材上形成光电导层，该涂料组合物包含光记录擦除化合物， 光导体，树脂粘合剂，其中溶解或分散树脂粘合剂的芳族溶剂，ph的极性溶剂 所述极性溶剂可溶于所述芳族溶剂，并且选择为使得所述光记忆擦除化合物可溶于所述极性溶剂中。
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公开(公告)号：US4430410A
公开(公告)日：1984-02-07
申请号：US70052
申请日：1979-08-27
申请人： Tatsuo Aizawa , Shoji Matsumoto , Kaoru Sakata , Toshikazu Matsui , Akira Fushida , Toshimitsu Ikeda , Nobuyoshi Hisao
发明人： Tatsuo Aizawa , Shoji Matsumoto , Kaoru Sakata , Toshikazu Matsui , Akira Fushida , Toshimitsu Ikeda , Nobuyoshi Hisao
CPC分类号： G03G15/0914 , Y10S430/104
摘要： In a method and apparatus for developing a latent electrostatic image formed on the surface of an image-bearing material by applying a powdery developer thereto, which includes magnetically retaining a layer of a relatively conductive one-component developer having a resistivity of not more than 10.sup.13 ohms-cm on the surface of a developer-retaining member, and bringing the developer on the surface of the developer-retaining member into contact with the surface of the image bearing material, the improvement wherein the developer-retaining member has a resistance, measured by a point-plane resistance measuring method in an environment kept at a temperature of 20.degree. C. and a humidity of 50%, of from 3.times.10.sup.7 ohms to 1.times.10.sup.10 ohms. The improved method makes possible good development without causing a background fog or a tail effect.
摘要翻译： 在通过向其施加粉末显影剂来显影形成在图像承载材料的表面上的静电潜像的方法和装置中，其包括磁性地保持具有不大于1013的电阻率的相对导电的单组分显影剂的层 在显影剂保持构件的表面上的欧姆 - 厘米，并使显影剂保持构件的表面上的显影剂与图像承载材料的表面接触，其中显影剂保持构件具有电阻，测量 通过在保持在20℃的温度和50％的湿度为3×10 7欧姆至1×10 10欧姆的环境中的点平面电阻测量方法。 改进的方法可以很好地发展而不引起背景雾或尾巴效应。
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公开(公告)号：US4380196A
公开(公告)日：1983-04-19
申请号：US788088
申请日：1977-04-15
申请人： Yoshiaki Kato , Akira Fushida , Yasuo Ueda , Yasusuke Tohi , Tatsuo Aizawa
发明人： Yoshiaki Kato , Akira Fushida , Yasuo Ueda , Yasusuke Tohi , Tatsuo Aizawa
CPC分类号： G03G13/28
摘要： A plate for lithography or offset printing comprising a flexible substrate and a water-resistant coating layer formed on the flexible substrate, said water-resistant coating layer being composed of a water-insoluble resin binder and an inorganic pigment dispersed in said binder, and the water-resistant coating layer including an oleophilic ink-supporting portion composed of particles consisting essentially of at least one member selected from triiron tetroxide and .gamma.-type diiron trioxide, the particles being embedded in at least a part of the surface of the coating layer, and an etched hydrophilic ink-repelling portion composed of the inorganic pigment.
摘要翻译： 一种用于光刻或胶版印刷的平版印刷版，包括柔性基板和形成在柔性基板上的防水涂层，所述防水涂层由分散在所述粘合剂中的水不溶性树脂粘合剂和无机颜料组成， 防水涂层包括由基本上由选自四氧化三铁和三氧化二铁三种组成的至少一种的颗粒组成的亲油性油墨支撑部分，所述颗粒嵌入涂层表面的至少一部分中， 和由无机颜料组成的蚀刻亲水防油部分。
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4.发明授权
公开(公告)号：US4168165A
公开(公告)日：1979-09-18
申请号：US794130
申请日：1977-05-05
申请人： Yoshiaki Kato , Akira Fushida , Yasuo Ueda , Yasusuke Tohi , Tatsuo Aizawa
发明人： Yoshiaki Kato , Akira Fushida , Yasuo Ueda , Yasusuke Tohi , Tatsuo Aizawa
摘要： An electrophotographic photosensitive material suitable for offset printing and lithography comprising a flexible substrate, an electroconductive back coat layer formed on one surface of the substrate, an electroconductive intermediate layer formed on the other surface of the substrate and a photoconductive layer formed on the intermediate layer, said photoconductive layer being composed of a fine powder of a photoconductor dispersed in an electrically insulating resin, wherein said intermediate layer is composed of a composition comprising (A) an acrylic resin, (B) a vinyl acetate polymer having a degree of polymerization of 100 to 1700 and (C) a resinous conducting agent, in said composition the weight ratio of acrylic resin (A)/vinyl acetate polymer (B) is in the range of 4/1 to 10/1 and the amount of the conducting agent (C) is 20 to 100 parts by weight per 100 parts by weight per 100 parts by weight of the sum of the components (A) and (B), said intermediate layer has such a multi-layer distribution structure that a combination of the vinyl acetate polymer and the acrylic resin is predominantly distributed in the surface portion falling in contact with the photoconductive layer, and the photoconductive layer is bonded to the intermediate layer through said surface portion.
摘要翻译： 一种适用于胶版印刷和光刻的电子照相感光材料，包括柔性基材，形成在基材的一个表面上的导电后涂层，形成在基材的另一个表面上的导电中间层和形成在中间层上的光电导层， 所述光电导层由分散在电绝缘树脂中的感光体的细粉末组成，其中所述中间层由以下组合物组成：（A）丙烯酸树脂，（B）聚合度为100的乙酸乙烯酯聚合物 至1700和（C）树脂导电剂，在所述组合物中，丙烯酸树脂（A）/乙酸乙烯酯聚合物（B）的重量比在4/1至10/1的范围内，导电剂（ C）相对于每100重量份组分（A）和（B）的总和为100重量份为20至100重量份，所述中间层具有这样的多 乙酸乙烯酯聚合物和丙烯酸树脂的组合主要分布在与光电导层接触的表面部分中的层间分布结构，并且光电导层通过所述表面部分结合到中间层。
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5.发明授权
公开(公告)号：US4424269A
公开(公告)日：1984-01-03
申请号：US356215
申请日：1982-03-08
申请人： Hideyuki Sasaki , Toru Nakazawa , Yoshiaki Kato , Hideo Fukuda , Yasushi Kamezaki , Akira Fushida
发明人： Hideyuki Sasaki , Toru Nakazawa , Yoshiaki Kato , Hideo Fukuda , Yasushi Kamezaki , Akira Fushida
IPC分类号： C08K5/09 , C09J163/00 , G03G5/05 , G03G5/087
CPC分类号： G03G5/0517
摘要： Disclosed is a photosensitive plate for electrophotography, which comprises a conductive substrate and a layer of a composition formed by dispersing a photoconductor in a binder resin, which is formed on the substrate, wherein the resin binder comprises an epoxy resin component and an amine type curing agent component and the resin binder further comprises an acid anhydride as the ozone deterioration preventing agent. This photosensitive plate is excellent in the ozone resistance and the moisture resistance.
摘要翻译： 公开了一种用于电子照相术的感光板，其包括导电基板和通过将光电导体分散在形成在基板上的粘合剂树脂中而形成的组合物层，其中树脂粘合剂包括环氧树脂组分和胺型固化 助剂组分和树脂粘合剂还包含酸酐作为臭氧降解防止剂。 该感光板的耐臭氧性和耐湿性优异。
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公开(公告)号：US4391892A
公开(公告)日：1983-07-05
申请号：US321102
申请日：1981-11-13
CPC分类号： G03G5/087 , G03G13/22 , Y10S101/37 , Y10S430/102
摘要： In an electrostatic photographic process comprising subjecting an electrostatic photographic photosensitive plate to the combination of negative charging, positive charging and imagewise exposure to form an electrostatic latent image of a positive polarity, said electrostatic photographic photosensitive plate having such charging characteristics that a photosensitive layer can be positively charged by sequential negative corona charging and positive corona charging and positive charging is rendered substantially impossible by irradiation with light, and then subjecting the so treated photosensitive plate to positive charging a predetermined number of times, whereby an electrostatic latent image is formed the predetermined number of times by imagewise exposure conducted once, if a zinc oxide-resin dispersion is used for the photosensitive layer of the photosensitive plate and predetermined amounts of a triphenylmethane basic dye and a silicone oil are incorporated in the photosensitive layer, the time required for negative charging can be shortened, and the charge potential at the time of positive charging can be increased and accumulation of the residual potential after irradiation with light can be reduced.
摘要翻译： 在静电照相方法中，静电照相感光板具有负电荷，正电荷和成像曝光的组合，以形成正极性的静电潜像，所述静电感光感光板具有使感光层可以是 通过顺序负电晕充电带正电，正电晕充电和正电充电基本上不可能通过照射光，然后使经处理的感光板正常充电预定次数，由此形成预定数量的静电潜像 的时间通过成像曝光进行一次，如果氧化锌树脂分散体用于感光板的感光层，并且将预定量的三苯基甲烷碱性染料和硅油引入感光体中 可以缩短负电荷所需的时间，并且可以增加正充电时的充电电位，并且可以减少照射后的残留电位的积累。
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7.发明授权
公开(公告)号：US4388392A
公开(公告)日：1983-06-14
申请号：US252261
申请日：1981-04-08
申请人： Yoshiaki Kato , Akira Fushida
发明人： Yoshiaki Kato , Akira Fushida
IPC分类号： C08K5/00 , B32B7/02 , C08K5/01 , C08L67/00 , G03G5/00 , G03G5/047 , G03G5/05 , G03G5/06 , G03G5/07 , G03G5/14
CPC分类号： G03G5/0605 , G03G5/047 , G03G5/06
摘要： Disclosed is a laminated photosensitive plate for electrophotography, which comprises a conductive substrate, a charge generating layer containing a photoconductive organic pigment, which is formed on the surface of the substrate, and a charge transporting layer formed on the charge generating layer, wherein the charge transporting layer is formed of a homogeneous composition comprising an electron-donative polymeric photoconductor and a fused ring-containing, electron-donative polycyclic aromatic hydrocarbon incorporated in the polymeric photoconductor in an amount of 0.05 to 3 parts by weight per part by weight of the polymeric photoconductor.In this laminated photosensitive plate, by incorporation of the fused ring-containing, electron-donative polycyclic aromatic hydrocarbon into the charge transporting layer, not only mechanical properties such as abrasion resistance, toughness and adhesion but also electrophotographic characteristics such as initial saturation surface voltage, sensitivity and residual voltage can prominently be improved.
摘要翻译： 公开了一种用于电子照相的层叠感光板，其包括形成在基板表面上的导电基板，含有光导有机颜料的电荷产生层和形成在电荷产生层上的电荷输送层，其中电荷 输送层由均匀的组合物形成，该组合物包含掺入聚合物光电导体中的给电子聚合物光电导体和稠环的给电子多环芳烃，其量为每重量份聚合物聚合物0.05至3重量份 感光体 在该层叠感光板中，通过将含有稠环的供电子性多环芳香烃并入电荷输送层，不仅具有耐磨损性，韧性和粘合性等机械性能，而且还具有初始饱和面电压等电子照相特性， 灵敏度和残余电压可以显着提高。
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公开(公告)号：US4686935A
公开(公告)日：1987-08-18
申请号：US760587
申请日：1985-07-30
CPC分类号： G03G15/0921 , G03G13/09
摘要： Disclosed is a development device comprising a development sleeve of a non-magnetic material, a magnet having a plurality of magnetic poles and fixed within the sleeve, a mechanism for rotating the sleeve, a mechanism for agitating a developer composed of a magnetic carrier and a chargeable toner and supplying it to the sleeve, a mechanism for adjusting a magnetic brush formed on the sleeve to a predetermined brush length and supplying it to a development zone, and a mechanism for scraping off the magnetic brush which has gone past the development zone from the sleeve, said magnetic poles consisting of a main pole for development corresponding to the development zone and poles for conveying corresponding to a conveying zone ranging from the position of supplying the developer to the position of cutting the magnetic brush, said magnetic carrier being a ferrite carrier, and each said conveying magnetic pole having a magnetic flux density 50 to 86% of that of the main pole for development.
摘要翻译： 公开了一种显影装置，包括非磁性材料的显影套筒，具有多个磁极并固定在套筒内的磁体，用于旋转套筒的机构，用于搅拌由磁性载体和 可充电调色剂并将其供应到套筒，用于将形成在套筒上的磁刷调节到预定刷长度并将其提供给显影区的机构，以及用于刮除已经经过显影区的磁刷的机构 套筒，所述磁极由对应于显影区的显影用主极和对应于从供给显影剂的位置到切割磁刷的位置的传送区域传送的磁极组成，所述磁性载体为铁素体 并且每个所述传送磁极具有用于显影的主极的磁通密度的50至86％的磁通密度 。
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9.发明授权
公开(公告)号：US4438187A
公开(公告)日：1984-03-20
申请号：US366331
申请日：1982-04-07
申请人： Akira Fushida , Yoshiaki Kato
发明人： Akira Fushida , Yoshiaki Kato
CPC分类号： G03G5/0657 , G03G5/0609 , Y10S430/10
摘要： Disclosed is a photosensitive composition for electrophotography, which comprises 100 parts by weight of polyvinyl carbazole, 5 to 50 parts by weight of a perylene pigment and 5 to 50 parts by weight of a halonaphthoquinone.
摘要翻译： 公开了一种电子照相用感光组合物，其包含100重量份的聚乙烯咔唑，5至50重量份的苝颜料和5至50重量份的卤萘醌。
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10.发明授权Image forming apparatus capable of double-sided copying and provided with intermediate tray on which feed direction of copy sheet is inverted 失效图像形成装置能够进行双面复印并且设置有中间托盘，复印纸的进给方向被反转
公开(公告)号：US5857138A
公开(公告)日：1999-01-05
申请号：US775117
申请日：1996-12-30
申请人： Kazumi Iida , Akira Fushida , Takaichi Kitagawa
发明人： Kazumi Iida , Akira Fushida , Takaichi Kitagawa
CPC分类号： G03G15/231
摘要： An image forming apparatus includes an imaging assembly capable of forming an image on a copy sheet; a sheet inverting path disposed downstream of the image assembly and capable of transporting the copy sheet in a first direction; an intermediate tray unit arranged downstream of the sheet inverting path and capable of receiving the copy sheet transferred from the sheet inverting path and stacking a plurality of the copy sheets thereon; and a refeed unit capable of feeding copy sheets stacked on the intermediate tray unit in a second direction opposite to the first direction.
摘要翻译： 图像形成装置包括能够在复印纸上形成图像的成像组件; 设置在图像组件的下游并能够沿第一方向传送复印纸的纸张反转路径; 中间托盘单元，布置在纸张反转路径的下游，并且能够接收从纸张反转路径传送的复印纸，并在其上堆叠多张复印纸; 以及能够沿与第一方向相反的第二方向馈送堆叠在中间托盘单元上的复印纸的再装单元。
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