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    Weldable black steel sheet
    3.
    发明授权
    Weldable black steel sheet 失效
    可焊黑钢板

    公开(公告)号：US5589279A

    公开(公告)日：1996-12-31

    申请号：US290675

    申请日：1994-08-15

    申请人： Naoto Yoshimi ,  Toyofumi Watanabe ,  Masaaki Yamashita

    发明人： Naoto Yoshimi ,  Toyofumi Watanabe ,  Masaaki Yamashita

    IPC分类号： B32B15/08 ,  B05D7/14 ,  B32B15/092 ,  C09D7/00 ,  C23C22/24 ,  C23C22/84

    CPC分类号： C23C22/84 ,  B05D7/14 ,  C09D7/007 ,  B05D2301/20 ,  B05D2350/65 ,  B05D2401/20 ,  B05D2701/00 ,  Y10T428/12549 ,  Y10T428/12569 ,  Y10T428/31678

    摘要： A black steel sheet having a sufficiently small coating thickness to allow the welding of the steel sheet, and yet exhibiting an excellently black surface, but also having high corrosion resistance, adhesive strength and formability. It is a steel sheet having a surface plated with zinc or zinc alloy, and carrying a chromate film formed on its plated surface, and a black film formed on the chromate film from a composition comprising specific proportions of a water-soluble or water-dispersible thermosetting resin and a water-soluble black dye, and having a sufficiently small thickness. The composition may further contain a solid lubricant, or a granular rust-inhibitive pigment, or both.

    摘要翻译： 具有足够小的涂层厚度以允许钢板焊接，但表现出优异的黑色表面，而且具有高耐腐蚀性，粘合强度和成形性的黑色钢板。 它是具有镀锌或锌合金的表面并且在其镀覆表面上形成的铬酸盐膜的钢板，以及由含有特定比例的水溶性或水分散性的组合物形成在铬酸盐膜上的黑色膜 热固性树脂和水溶性黑色染料，并且具有足够小的厚度。 该组合物还可以含有固体润滑剂或颗粒状防锈颜料，或两者。

    Weldable black steel sheet with low-gloss appearance
    4.
    发明授权
    Weldable black steel sheet with low-gloss appearance 失效
    具有低光泽外观的可焊接黑色钢板

    公开(公告)号：US5387473A

    公开(公告)日：1995-02-07

    申请号：US36991

    申请日：1993-03-24

    申请人： Naoto Yoshimi ,  Masaaki Yamashita ,  Toyofumi Watanabe

    发明人： Naoto Yoshimi ,  Masaaki Yamashita ,  Toyofumi Watanabe

    IPC分类号： B05D7/14 ,  C09D7/00 ,  B32B15/08

    CPC分类号： C09D7/005 ,  B05D7/14 ,  B05D2350/20 ,  B05D2701/40 ,  Y10T428/12549 ,  Y10T428/12569

    摘要： A steel sheet plated with zinc or a zinc alloy carries a chromate film formed on each side thereof and having a coating weight of 1 to 200 mg/m.sup.2 in terms of metallic chromium, and a black film formed at least on the chromate film on one side thereof. The black film contains 100 parts by weight of a thermosetting resin which is soluble in an organic solvent, 1 to 200 parts by weight of a black dye which is also soluble in an organic solvent, and 1 to 100 parts by weight of organic resin particles. It may further contain 1 to 100 parts by weight of fine inorganic particles, or a solid lubricant, or both. The black film has a thickness of 0.3 to 5.0 microns which is sufficiently small to permit the welding of the sheet, and yet has an excellently black surface. The organic resin particles, etc., which are used as a matting agent, give the film a surface of low gloss which resists visible staining by fingerprints.

    摘要翻译： 镀锌或锌合金的钢板在其每一侧上载有形成铬酸盐膜，其镀铬量为金属铬换算为1〜200mg / m 2，至少在铬酸盐膜上形成黑色膜 侧。 该黑色膜包含100重量份的可溶于有机溶剂的热固性树脂，1至200重量份也可溶于有机溶剂的黑色染料和1至100重量份的有机树脂颗粒 。 还可以含有1〜100重量份的无机微粒，或固体润滑剂，或两者。 该黑色膜的厚度为0.3至5.0微米，其足够小以允许片材的焊接，而且具有非常好的黑色表面。 用作消光剂的有机树脂颗粒等为膜提供低光泽的表面，其抗指纹的可见染色。