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    • 66. 发明授权
    • Metallic sheet covered with polyester resin film and having high workability, and method of manufacturing same
    • 用聚酯树脂膜覆盖并具有高加工性的金属板及其制造方法
    • US06482526B2
    • 2002-11-19
    • US09171122
    • 1999-06-15
    • Hiroyuki IwashitaFumiko GotohAtsuo Tanaka
    • Hiroyuki IwashitaFumiko GotohAtsuo Tanaka
    • B32B1508
    • B32B15/09B32B15/08B32B27/36B32B37/04B32B38/12B32B2307/518B32B2367/00B32B2439/00B32B2439/70Y10S428/91Y10T428/31681Y10T428/31786
    • The present invention relates to a polyester resin-covered metal sheet exhibiting superior formability and particularly suitable to withstand the stresses of drawing, drawing and ironing, drawing and stretch forming, or drawing and stretch forming followed by ironing. The resin-covered metal sheet is produced by contacting a biaxially oriented polyester resin film to a metal sheet heated above the melting temperature of the resin, covering the metal sheet with the polyester resin, pinching and press laminating the film-metal sheet composite, and cooling the laminate at a rate of 600° C./second immediately thereafter. It is essential that the resulting resin-covered metal sheets exhibit a true stress of 3.0 to 15.0 kg/mm2, corresponding to a true strain of 1.0 at 75° C. These laminates also exhibits a gradation of retention of the polyester resin's original biaxial orientation. Portions of the resin farthest from the metal sheet retain the greatest degree of their original orientation, the resin structure becoming increasingly amorphous nearer the underlying metal sheet.
    • 本发明涉及一种表现出优异成形性,特别适用于承受拉伸,拉伸和熨烫,拉伸和拉伸成形或拉伸拉伸成型,随后进行熨烫的应力的聚酯树脂覆盖金属片。 树脂被覆金属片通过使双轴取向聚酯树脂膜与在树脂的熔融温度以上加热的金属板接触而制成,用聚酯树脂覆盖金属片,夹压和层压薄膜金属片复合体,以及 之后立即以600℃/秒的速度冷却层压体。 所得到的树脂覆盖的金属板必须表现出3.0至15.0kg / mm 2的真实应力,对应于在75℃下的真实应变为1.0。这些层压板还表现出聚酯树脂的原始双轴取向的保留等级 。 离金属片最远的树脂部分保持其原始取向的最大程度,树脂结构变得越来越非晶体越接近下面的金属片。
    • 69. 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。