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    • 26. 发明授权
    • Copolyester resin film laminated metal sheet
    • 共聚酯树脂膜层压金属板
    • US5272011A
    • 1993-12-21
    • US815646
    • 1991-12-30
    • Atsuo TanakaTetsuhiro HanabusaHarunori KojoTsuneo Inui
    • Atsuo TanakaTetsuhiro HanabusaHarunori KojoTsuneo Inui
    • B32B15/08C08J5/12
    • C08J5/128B32B15/08C08J2367/02Y10S428/91Y10T428/31529Y10T428/31605Y10T428/31681Y10T428/31786
    • A copolyester resin film laminated metal sheet having excellent formability and a method for its production is disclosed. This disclosure comprises laminating a biaxially oriented copolyester resin film having specified characteristics, to one or both sides of a surface treated metal sheet, which has been heated to the melting point of the copolyester resin film .+-.50.degree. C., just before the lamination of the copolyester resin film. This film has been precoated with a resin composite containing in its molecular structure at least one radical, such as epoxy radical and hydroxyl radical. The side of the copolyester resin film pre-coated with resin composite is in contact with the surface treated metal sheet. This copolyester resin film laminated metal sheet is suitable for some applications in which severe formability is required, such as deeply drawn cans formed by multiple drawings, drawn and partially ironed cans, drawn and stretch formed cans, can ends wherein a tab for easy opening is attached, screwed caps and crown caps.
    • 公开了一种成型性优异的共聚酯树脂膜层合金属片及其制造方法。 本公开内容包括将具有特定特性的双轴取向共聚酯树脂膜层压到已经被加热到共聚酯树脂膜的熔点+/- 50℃的表面处理金属片的一侧或两侧,恰好在 共聚酯树脂膜的叠层。 该薄膜已经预先涂覆有在其分子结构中含有至少一个基团的树脂复合物,例如环氧基和羟基。 预涂有树脂复合材料的共聚酯树脂膜的侧面与表面处理的金属板接触。 这种共聚酯树脂薄膜层合金属薄片适用于需要严格成形性的一些应用,例如由多个图形形成的深拉制的罐,拉制和部分熨烫的罐,拉伸和拉伸成型的罐,罐端部,其中易于打开的突片是 连接螺丝帽和冠帽。
    • 27. 发明授权
    • Surface treated steel sheet having an excellent weldability and its
production method
    • 具有优异的焊接性的表面处理钢板及其制造方法
    • US4578319A
    • 1986-03-25
    • US782262
    • 1985-09-30
    • Nobuyoshi ShimizuTerunori FujimotoTsuneo InuiMasatoki Ishida
    • Nobuyoshi ShimizuTerunori FujimotoTsuneo InuiMasatoki Ishida
    • C25D5/12C25D11/38
    • C25D5/12C25D11/38Y10T428/1259Y10T428/12611Y10T428/12722Y10T428/12806Y10T428/12847Y10T428/12854
    • Surface treated steel sheet having three layers consisting of a bottom layer of metallic chromium, a middle layer of metallic tin or tin-nickel alloy and a top layer of hydrated chromium oxide on a steel base, and a method for the continuous production of this surface treated steel sheet which comprises; (1) chromium plating on a steel base to form a layer of metallic chromium and hydrated chromium oxide, (2) tin plating by using a tin plating electrolyte having a low concentration of stannous ion or tin-nickel alloy plating by using a known tin-nickel alloy plating electrolyte, said electrolytes have a low current efficiency for tin or tin-nickel alloy plating, thereby removing said layer of hydrated chromium oxide from said chromium plated steel base; and (3) forming a layer of hydrated chromium oxide by a chromate treatment by using an acidic electrolyte containing hexavalent chromium ion.Instead of the process (2) in the above method, a cathodic treatment of chromium plated steel base in an acidic solution having a pH of 0.5 to 2.0 can be carried out for the removal of hydrated chromium oxide formed during chromium plating, and thereafter, tin or tin-nickel alloy plating by using a known tin or tin-nickel alloy plating electrolyte can be performed.By using this surface treated steel sheet, a welded can body can be produced at high speed without the removal of the plated layer in the welded part since it has an excellent weldability.
    • 具有由金属铬底层,金属锡或锡镍合金中间层和钢基底上的水合氧化铬顶层构成的三层的表面处理钢板以及连续制造该表面的方法 处理钢板; (1)在钢基上镀铬以形成金属铬和水合氧化铬的层,(2)通过使用已知锡的锡亚锡离子或锡 - 镍合金镀层的低浓度的锡电镀电解质进行镀锡 镍合金电镀电解质,所述电解质对锡或锡 - 镍合金电镀具有低电流效率,从而从所述镀铬钢基底除去所述水合氧化铬层; 和(3)通过使用含有六价铬离子的酸性电解质通过铬酸盐处理形成水合氧化铬层。 代替上述方法的方法(2),可以进行在pH为0.5至2.0的酸性溶液中的镀铬钢基体的阴极处理,以除去镀铬期间形成的水合氧化铬,然后, 可以使用已知的锡或锡 - 镍合金电镀电解质进行锡或锡 - 镍合金镀层。 通过使用这种表面处理钢板,可以高速度地制造焊接罐体,而不会在焊接部分中除去镀层,因为它具有优异的焊接性。