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    Aluminum alloy support for lithographic printing plate and process for producing substrate for support
    1.
    发明授权
    Aluminum alloy support for lithographic printing plate and process for producing substrate for support 失效
    用于平版印刷版的铝合金支架和用于制造支撑用基板的工艺

    公开(公告)号：US06337136B1

    公开(公告)日：2002-01-08

    申请号：US09363127

    申请日：1999-07-28

    申请人： Hideki Suzuki ,  Ichiro Okamoto ,  Kazumitsu Mizushima ,  Tadashi Asahi ,  Hirokazu Sawada ,  Hirokazu Sakaki

    发明人： Hideki Suzuki ,  Ichiro Okamoto ,  Kazumitsu Mizushima ,  Tadashi Asahi ,  Hirokazu Sawada ,  Hirokazu Sakaki

    IPC分类号： B32B1501

    CPC分类号： C22C21/00 ,  B41N1/083 ,  B41N3/034

    摘要： The present invention provides a support for a lithographic printing plate prepared by cold rolling a sheet while intermediate annealing is omitted to save energy and the number of the cold rolling steps are decreased to simplify the sheet production steps and to give a desired strength of the sheet, and by inhibiting precipitation of Si particles in the substrate to give extremely excellent resistance to ink staining in the nonimage areas during printing, and a process for producing a substrate therefore. The production process comprises homogenization heat-treating an aluminum alloy slab comprising 0.10 to 0.40 wt % of Fe, 0.03 to 0.15 wt % of Si, 0.004 to 0.03 wt % of Cu, and the balance of Al and unavoidable impurities, hot rolling the heat-treated slab, and cold-rolling the hot-rolled strip without intermediate annealing, the cold rolling including a final pass after which the sheet temperature becomes at least the recovery temperature of the sheet and the following rapid cooling, whereby an aluminum alloy substrate for a lithographic printing plate having a content of precipitated Si of up to 30 ppm and a tensile strength of from 145 to 180 MPa is produced. When the aluminum alloy is electrolytically grained and anodically oxidized, the resultant anodic oxide film can contain up to 200/mm2 of precipitated Si particles having an average particle size of at least 0.5 &mgr;m.

    摘要翻译： 本发明提供了对通过冷轧片材制备的平版印刷版的支持，同时省略了中间退火以节省能量，并且减少了冷轧步骤的数量以简化片材生产步骤并提供片材的期望强度 并且通过抑制衬底中的Si颗粒的沉淀，从而在印刷期间对非图像区域中的油墨染色产生非常优异的耐性，因此制造衬底的方法。 该制造方法包括对铝合金板进行均质化热处理，其包含0.10〜0.40重量％的Fe，0.03〜0.15重量％的Si，0.004〜0.03重量％的Cu，余量为Al和不可避免的杂质，热轧热 并且在不进行中间退火的情况下冷轧热轧带材，冷轧包括最终通过，其中片材温度至少为片材的回收温度和随后的快速冷却，由此形成用于 产生沉淀Si含量高达30ppm，拉伸强度为145-180MPa的平版印刷版。 当铝合金电解晶粒化并阳极氧化时，所得到的阳极氧化膜可含有至多200 / mm2的平均粒度至少为0.5μm的沉淀Si颗粒。

    Process for producing aluminum alloy substrate for lithographic printing plate
    2.
    发明授权
    Process for producing aluminum alloy substrate for lithographic printing plate 失效
    用于制造平版印刷版铝合金基板的方法

    公开(公告)号：US06387198B1

    公开(公告)日：2002-05-14

    申请号：US09245237

    申请日：1999-02-05

    申请人： Hideki Suzuki ,  Yasuhisa Nishikawa ,  Tomohide Yamagishi ,  Kazumitsu Mizushima ,  Hirokazu Sawada ,  Hirokazu Sakaki

    发明人： Hideki Suzuki ,  Yasuhisa Nishikawa ,  Tomohide Yamagishi ,  Kazumitsu Mizushima ,  Hirokazu Sawada ,  Hirokazu Sakaki

    IPC分类号： C22F104

    CPC分类号： C22C21/00 ,  B41N1/083 ,  C22F1/04

    摘要： In order to produce an aluminum alloy substrate for a lithographic printing plate wherein grain structure refining and homogenizing are promoted, and the uniformity of the appearance of the grained surface is particularly improved, the process of the present invention comprises the steps of: homogenizing an aluminum alloy ingot comprising 0.10 to 0.40 wt % of Fe, 0.03 to 0.30 wt % of Si, 0.004 to 0.050 wt % of Cu, 0.01 to 0.05 wt % of Ti, 0.0001 to 0.02 wt % of B and the balance of Al and unavoidable impurities, at temperatures of 350 to 480° C., successively hot-rolling the ingot with a plurality of passes in such a manner that the aluminum alloy is not recrystallized prior to the hot rolling of the final pass and recrystallized at least in the surface layer of the hot-rolled plate by only the hot rolling thereof to form a recrystallized structure having an average recrystallized grain size of less than 50 &mgr;m in a direction normal to the rolling direction, and cold-rolling the hot-rolled plate. The reduction of the plate in the hot rolling of the final pass is desirably at least 55%.

    摘要翻译： 为了生产促进晶粒细化和均质化的平版印刷版的铝合金基板，并且特别提高了晶粒表面的外观的均匀性，本发明的方法包括以下步骤：使铝均匀化 含有0.10〜0.40重量％的Fe，0.03〜0.30重量％的Si，0.004〜0.050重量％的Cu，0.01〜0.05重量％的Ti，0.0001〜0.02重量％的B，余量的Al和不可避免的杂质 ，在350〜480℃的温度下，以多次通过依次热轧锭，使铝合金在最后通过热轧之前不再结晶，至少在表面层中再结晶 的热轧板，在与轧制方向正交的方向上形成平均再结晶晶粒尺寸小于50μm的再结晶组织，并将该热轧板 ed板 最终通过的热轧中的板的还原期望为至少55％。

    Process for producing aluminum alloy substrate for lithographic printing plate
    3.
    发明申请
    Process for producing aluminum alloy substrate for lithographic printing plate 审中-公开
    用于制造平版印刷版铝合金基板的方法

    公开(公告)号：US20050284551A1

    公开(公告)日：2005-12-29

    申请号：US11154425

    申请日：2005-06-16

    申请人： Masayuki Saeki ,  Hideki Suzuki ,  Kazumitsu Mizushima ,  Hirokazu Sawada ,  Akio Uesugi

    发明人： Masayuki Saeki ,  Hideki Suzuki ,  Kazumitsu Mizushima ,  Hirokazu Sawada ,  Akio Uesugi

    IPC分类号： B41N1/08 ,  B41N1/20 ,  C22C21/00 ,  C22F1/04

    CPC分类号： B41N1/20 ,  B41N1/083 ,  C22C21/00 ,  C22F1/04

    摘要： A process for producing an aluminum alloy substrate for a lithographic printing plate is provided, wherein an excellent grained surface can be realized even when the heat treatment time and alkali etching are shortened. The method includes the steps of preparing an ingot composed of specific ranges of Fe, Si, Cu, Ti, B, and unavoidable impurities; subjecting the ingot to a homogenization treatment composed of the first stage of holding at 510° C. to 560° C. for 30 minutes to 2 hours and the latter stage of holding at 460° C. to 500° C. for 30 minutes to 2 hours; starting hot rolling, followed by finishing at 360° C. or more; conducting cold rolling; conducting intermediate annealing at a heating temperature of X° C. for a holding time of Y sec in an inert gas atmosphere, where X is 400° C. to 620° C. and Y≧2×108×exp(−0.0284X) is satisfied; and conducting final cold rolling.

    摘要翻译： 提供一种用于制造平版印刷版的铝合金基板的方法，其中即使在缩短热处理时间和碱蚀刻的情况下也可以实现优异的晶粒表面。 该方法包括制备由特定范围的Fe，Si，Cu，Ti，B和不可避免的杂质构成的锭料的步骤; 对锭进行均质处理，该均化处理由在510℃至560℃保持的第一阶段组成30分钟至2小时，后期在460℃至500℃保持30分钟， 2小时; 开始热轧，然后在360℃或更高温度下完成; 进行冷轧; 在惰性气体气氛中，在X℃的加热温度下进行中间退火，保持时间为Y秒，其中X为400℃至620℃，Y> = 2×10 8 xexp（-0.0284X）满足; 并进行最终冷轧。

    Aluminum substrate for lithographic printing plate and process for producing the same
    5.
    发明授权
    Aluminum substrate for lithographic printing plate and process for producing the same 失效
    用于平版印刷版的铝基板及其制造方法

    公开(公告)号：US6156135A

    公开(公告)日：2000-12-05

    申请号：US41300

    申请日：1998-03-12

    申请人： Yoshinori Hotta ,  Hirokazu Sawada ,  Hirokazu Sakaki

    发明人： Yoshinori Hotta ,  Hirokazu Sawada ,  Hirokazu Sakaki

    IPC分类号： B41N1/06 ,  B22D11/00 ,  B22D11/06 ,  B41N1/08 ,  C22F1/04 ,  C25F3/04 ,  B41N3/00

    CPC分类号： C25F3/04 ,  B41N1/083 ,  C22F1/04

    摘要： An aluminum substrate for lithographic printing plates which forms uniform pits on electrolytic etching without undergoing dissolution, the substrate being obtained by electrolytic etching an aluminum plate prepared by continuous casting in a twin roll mold process, rolling, and annealing, in which the annealing is carried out in such a manner that the resulting aluminum plate may have a total electric current density of not more than 1.85.times.10.sup.-2 C/dm.sup.2 when scanned at a potential from -100 mV up to 1500 mV.

    摘要翻译： 一种用于平版印刷版的铝基板，其在电解蚀刻中形成均匀的凹坑而不经历溶解，所述基板通过电解蚀刻通过连续铸造制备的铝板而获得，所述铝板通过双辊模制工艺，轧制和退火进行，其中进行退火 以使得当在-100mV至1500mV的电位下扫描时，所得铝板的总电流密度可以不大于1.85×10 -2 C / dm 2。

    Support for lithographic printing plate
    6.
    发明授权
    Support for lithographic printing plate 有权
    支持平版印刷版

    公开(公告)号：US06194082B1

    公开(公告)日：2001-02-27

    申请号：US09407960

    申请日：1999-09-29

    申请人： Hirokazu Sawada ,  Hirokazu Sakaki

    发明人： Hirokazu Sawada ,  Hirokazu Sakaki

    IPC分类号： B22D2500

    CPC分类号： B41N1/083 ,  Y10T428/12458 ,  Y10T428/12993

    摘要： A support for a lithographic printing plate in which uniform pits are efficiently formed by electrochemically graining treatment, always independently of electrolytic conditions to give excellent printing performance, which comprises an aluminum alloy plate containing 0.05% to 0.5% by weight of Fe, 0.03% to 0.15% of Si, 0.006% to 0.03% by weight of Cu and 0.010% to 0.040% by weight of Ti, wherein the Cu concentration of a surface layer portion of from a surface to a depth of 2 &mgr;m of the aluminum alloy plate is at least 20 ppm higher than that of a region deeper than the surface layer portion.

    摘要翻译： 平版印刷版的支持体，其通过电化学粗化处理有效地形成均匀的凹坑，总是独立于电解条件以提供优异的印刷性能，其包括含有0.05重量％至0.5重量％的Fe的铝合金板，0.03重量％ Si：0.15％，Cu：0.006〜0.03重量％，Ti：0.010〜0.040重量％，其中，铝合金板的表面〜2μm深度的表层部的Cu浓度为 比表面层部分的深度高至少20ppm。

    SUPPORT FOR PLANOGRAPHIC PRINTING PLATE, METHOD FOR PRODUCING SUPPORT FOR PLANOGRAPHIC PRINTING PLATE, AND PLANOGRAPHIC PRINTING ORIGINAL PLATE
    7.
    发明申请
    SUPPORT FOR PLANOGRAPHIC PRINTING PLATE, METHOD FOR PRODUCING SUPPORT FOR PLANOGRAPHIC PRINTING PLATE, AND PLANOGRAPHIC PRINTING ORIGINAL PLATE 有权
    平面印刷板的支持，生产平面印刷板的支持方法和平面印刷原版

    公开(公告)号：US20120298001A1

    公开(公告)日：2012-11-29

    申请号：US13519496

    申请日：2010-12-22

    申请人： Shinya Kurokawa ,  Yoshiharu Tagawa ,  Hirokazu Sawada ,  Akio Uesugi

    发明人： Shinya Kurokawa ,  Yoshiharu Tagawa ,  Hirokazu Sawada ,  Akio Uesugi

    IPC分类号： B41N1/08 ,  B41N3/03

    CPC分类号： B41N1/083 ,  B41C2210/04 ,  B41C2210/08 ,  B41N3/034 ,  C25D11/08 ,  C25D11/10 ,  C25D11/12 ,  C25D11/18 ,  C25D11/20 ,  C25D11/24

    摘要： Provided is a lithographic printing plate support that has excellent scratch resistance and is capable of obtaining a presensitized plate which exhibits excellent on-press developability and enables a lithographic printing plate formed therefrom to have a long press life and excellent deinking ability after suspended printing. The lithographic printing plate support includes an aluminum plate, and an aluminum anodized film formed thereon and having micropores which extend in a depth direction of the anodized film from a surface of the anodized film opposite from the aluminum plate. Each micropore has a large-diameter portion which extends to a depth of 5 to 60 nm (depth A) from the anodized film surface, and a small-diameter portion which communicates with the bottom of the large-diameter portion, further extends to a depth of 900 to 2,000 nm from the communication position and has a predetermined average diameter.

    摘要翻译： 本发明提供一种平版印刷版支撑体，其具有优异的耐擦伤性，能够获得显示出优异的印刷压力显影性的预敏板，能够使由其形成的平版印刷版具有长的印刷寿命和悬浮印刷后的脱墨能力优异。 平版印刷版支撑体包括铝板和形成在其上的铝阳极氧化膜，并且具有从阳极氧化膜的与铝板相对的表面沿阳极氧化膜的深度方向延伸的微孔。 每个微孔具有从阳极氧化膜表面延伸至深度为5至60nm（深度A）的大直径部分，以及与大直径部分的底部连通的小直径部分，进一步延伸至 深度为900〜2000nm，具有规定的平均直径。

    Method and apparatus for manufacturing aluminum alloy strip for lithographic printing plates
    10.
    发明授权
    Method and apparatus for manufacturing aluminum alloy strip for lithographic printing plates 有权
    用于制造平版印刷版铝合金条的方法和装置

    公开(公告)号：US08048364B2

    公开(公告)日：2011-11-01

    申请号：US12138491

    申请日：2008-06-13

    申请人： Hirokazu Sawada ,  Akio Uesugi

    发明人： Hirokazu Sawada ,  Akio Uesugi

    IPC分类号： C21B3/04

    CPC分类号： B22D11/003 ,  B21B1/463 ,  B21B2003/001 ,  B22D11/045 ,  B22D11/0622 ,  B22D11/103 ,  B22D11/116 ,  B22D11/181

    摘要： An apparatus for manufacturing aluminum alloy strip for a lithographic printing plate supports includes a filter, a launder connected to the filter, a liquid level controller connected to the launder, and a melt feed nozzle connected to the liquid level controller. The liquid level controller includes a step to trap settled particles within an aluminum melt which forms the alloy strip. The launder has a length L (m) which satisfies the condition 4≧L≧V×270×1.2×D, where V is the flow velocity in meters per second of the aluminum melt in the launder and D is the depth in meters of the aluminum melt in the launder.

    摘要翻译： 用于制造用于平版印刷版支撑件的铝合金带的装置包括过滤器，连接到过滤器的流槽，连接到流槽的液位控制器和连接到液位控制器的熔体进料喷嘴。 液位控制器包括将形成合金条的铝熔体中的沉降颗粒捕获的步骤。 流水线的长度L（m）满足条件4≥L≥V×270×1.2×D，其中V为流槽中铝熔体流速（米/秒），D为以米为单位的深度 铝在熔池中熔化。