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    • 1. 发明授权
    • Apparatus and method for anodizing supports for lithographic printing
plate
    • 用于阳极氧化平版印刷版支架的设备和方法
    • US5314607A
    • 1994-05-24
    • US901674
    • 1992-06-22
    • Nobuyoshi KanekoTsutomu KakeiAkio Uesugi
    • Nobuyoshi KanekoTsutomu KakeiAkio Uesugi
    • B41N3/03C25D11/04C25D5/00
    • B41N3/034C25D11/005C25D11/04
    • An apparatus for anodizing a support for a lithographic printing plate which comprises a backing roller which guides a web made of aluminum or an alloy thereof in a state of contacting the backing roller, (an) electrode(s) which is/are arranged along the peripheral surface of the backing roller in a concentric arc, an electric supplier which is provided at least on the upstream side or the downstream side of the backing roller, and an electrolyte solution which fills the clearance between the backing roller and the electrode, and an anodizing method using the same. By using the apparatus, the electric voltage loss can be reduced in electrolyte solution, and only a single surface of the supports is anodized without the necessity for providing any special means. Anodizing can be conducted at a high speed and the thickness of anodized layer easily increased. Moreover, thin supports can be anodized without fusion troubles.
    • 一种阳极氧化用于平版印刷版的支撑体的装置,其包括在与所述背衬辊接触的状态下引导由铝或其合金制成的网的背衬辊,(a)沿着 背衬辊的圆周表面为同心圆弧,至少设置在背衬辊的上游侧或下游侧的供电器以及填充支承辊和电极之间的间隙的电解质溶液,以及 阳极氧化法使用它。 通过使用该装置,可以在电解液中降低电压损失,仅仅支撑体的单个表面被阳极氧化,而不需要提供任何特殊的手段。 阳极氧化可以高速进行,阳极氧化层的厚度容易增加。 此外,薄支撑件可以被阳极氧化而没有融合问题。
    • 3. 发明授权
    • Method of producing planographic printing plate support
    • 生产平版印刷版支架的方法
    • US5350010A
    • 1994-09-27
    • US89562
    • 1993-07-12
    • Hirokazu SawadaTsutomu KakeiMasaya MatsukiAkio Uesugi
    • Hirokazu SawadaTsutomu KakeiMasaya MatsukiAkio Uesugi
    • B41N1/08C22C21/00B22D11/06
    • B41N1/083C22C21/00
    • A method of producing a planographic printing plate support in which after aluminum is continuously cast directly from molten aluminum into a thin aluminum plate, the aluminum thin plate is subjected to cold rolling, heat treatment and flattening to obtain an aluminum support. The aluminum support is then subjected to surface toughening. The components of the aluminum support areFe: 0.4%-0.2%,Si: 0.20%-0.05%,Cu: not larger than 0.02%, and the Al purity is not smaller than 99.5%. After continuous casting, Fe in a range of from 20% to 90% of the Fe total content exists in a grain boundary and the rest of Fe exists as a solid solution in grains. In this case, it is preferable that in a section perpendicular to the direction of continuous casting, the grain size is in a range of from 2 .mu.m to 500 .mu.m.
    • 一种平版印刷版支撑体的制造方法,其特征在于,将铝从熔融铝直接连续铸造成薄铝板后,对铝薄板进行冷轧,热处理,平坦化,得到铝载体。 然后将铝载体进行表面增韧。 铝载体的组分为Fe:0.4%-0.2%,Si:0.20%-0.05%,Cu:不大于0.02%,Al纯度不小于99.5%。 在连续铸造之后,在Fe界限中存在Fe总量的20〜90%范围的Fe,其余的Fe作为固体颗粒存在。 在这种情况下,优选在与连铸方向垂直的截面中,粒径在2μm〜500μm的范围内。
    • 8. 发明授权
    • Process for producing support for lithographic printing plate
    • 平版印刷版支撑工艺
    • US4909894A
    • 1990-03-20
    • US279227
    • 1988-11-28
    • Akio UesugiKazutaka OdaTsutomu Kakei
    • Akio UesugiKazutaka OdaTsutomu Kakei
    • B24C1/06B41N3/00B41N3/04
    • B41N3/04
    • A process for producing a support for a lithographic printing plate is described, which comprises jetting a high-pressure liquid from at least one nozzle at a high rate, joining the jetted stream with a slurry containing a fine abrasive powder having a specific gravity of not less than 2.5 and having a sharp-angled tip having a radius of not more than 20 .mu.m, said slurry being spouted from at least one spout, directing the resulting mixed stream to strike against a surface of a metal sheet to carry out first graining, and modifying the first roughness thus formed on the metal sheet by brush graining to form a second roughness. Lithographic printing plates produced by using the resulting support are free from stain formation during printing and exhibit satisfactory printing durability.
    • 描述了一种用于制造平版印刷版支撑体的方法,其包括以高速喷射来自至少一个喷嘴的高压液体,将喷射流与含有比重不相同的细磨料粉末的浆料 小于2.5并且具有半径不超过20μm的尖角尖端,所述浆料从至少一个喷口喷出,引导所得到的混合物流撞击金属片的表面,以进行第一粗化 并且通过刷磨法改变如此形成的金属片上的第一粗糙度以形成第二粗糙度。 通过使用所得到的支持体制造的平版印刷版在印刷期间没有污渍形成并且表现出令人满意的印刷耐久性。