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    • 2. 发明公开
    • Easy opening can end and method for fabricating the same
    • Leicht zuöffnendesDosenende und Verfahren zur Herstellung dergleichen
    • EP1046589A3
    • 2001-05-30
    • EP00108012.6
    • 2000-04-19
    • NKK CORPORATION
    • Yamanaka, YoichiroSugihara, ReikoKurihara, MasayoshiFujikake, Masahisa c/o Kokan Keisoku K.K.Yomura, YoshinoriYamasaki, Yuji c/o NKK Corp., Intel.Prop.Dept.
    • B65D17/28B65D17/24B21D51/38
    • B21D51/383B65D17/4012B65D17/404B65D2517/0014B65D2517/0079B65D2517/0082Y10S220/906
    • The present invention has been made to provide an easy opening can end (1) such that a can end panel (11) is made of steel sheet having both sides coated with resin layers which are composed of one or two or more types of thermoplastic resin and has elongation after break of 100 % or more, tensile strength of 10 kg/mm 2 or more, Young modulus of 100 kg/mm 2 or more and a thickness of 10 to 100 µm, and a score (2) is formed at least either side of a front or a back of a can end panel (11) being capable of breakage for opening and has a bottom cross-section in a shape of an arc having a radius (R) of 0.10 to 1.0 mm and the thinnest section of the score has a thickness (t) of 0.025 to 0.080 mm. The easy opening can end (1) according to the present invention has no problem of resin layer damage when the score (2) is formed and has excellent can openability to such an extent that children and the aged may easily open can ends, so that the easy opening can end (1) is most suitable for a can end of a beverage can and a food can.
    • 容易开口可以(1)具有钢板的罐端板。 该片材的两侧都涂有含有热塑性树脂的树脂层,在形成刻痕时不会引起树脂层损伤(2)。 容易的开口罐端部包括钢板的罐端板。 该片材的两面涂有树脂层,每层含有一种或多种类型的热塑性树脂。 树脂层的断裂伸长率> 100%,拉伸强度> 10kg / mm 2>,杨氏模量> 100kg / mm 2>,厚度10-100μm。 在罐头面板的前面或后面形成分数。 得分能够打破罐头。 其具有半径为0.10-1.0mm的弧形的底部横截面。 得分的最薄部分的厚度(t)为0.025-0.080mm。 还包括一种独立的权利要求,用于制造容易开口的方法可以通过加工钢板来形成罐端板; 并通过使用一对模具进行压力加工在罐端面板上形成刻痕。