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    • 2. 发明授权
    • Metal vessel having circumferential side seam
    • 具有圆周侧缝的金属容器
    • US4863063A
    • 1989-09-05
    • US753809
    • 1985-07-09
    • Katsuhiro ImazuMakoto HoriguchiHiroshi MatsubayashiSeishichi KobayashiKazuo TairaHiroshi Ueno
    • Katsuhiro ImazuMakoto HoriguchiHiroshi MatsubayashiSeishichi KobayashiKazuo TairaHiroshi Ueno
    • B65D8/22B21D51/26B21D51/38B65D1/02B65D1/16B65D8/04
    • B65D7/04B21D51/26B21D51/2684Y10S220/906
    • A metal vessel has a metal bottomed cup-shaped lower member and a metal cup-shaped upper member, the upper and lower members being bonded together by a circumferential side seam. The upper member has a pouring mouth having a small diameter in the central portion thereof. The metal vessel is formed by lap-bonding the circumferential open ends of both the upper and lower members. The side wall of the upper member is formed by subjecting a primer-coated tin-plated steel sheet to draw forming at a side wall plastic forming ratio R of from 1.1 to 1.8; the side wall plastic forming ratio R being defined by the following formula: ##EQU1## wherein W stands for the weight (g) of the blank of the upper member, t stands for the thickness (cm) of the blank of the upper member at the side wall, .rho. stands for the density (g/cm.sup.3) of the blank of the upper member, D.sub.0 stands for the inner diameter (cm) of pouring mouth of the upper member, and D.sub.1 stands for the average inner diameter (cm) of the side wall.In the circumferential bonded portion, the side wall of the lower member is bonded to the side wall of the upper member through an organic adhesive interposed between a primer coating applied to the side wall of the lower member and a primer coating applied to the side wall of the upper member. The bonding strength and resistance to leakage of the lap-bonded circumferential side seam are improved.
    • 金属容器具有金属底杯状下部构件和金属杯状上部构件,上部构件和下部构件通过周向侧部接缝结合在一起。 上部构件具有在其中心部分具有小直径的倾倒口。 金属容器通过搭接上部和下部构件的周向开口端而形成。 上部构件的侧壁通过使底漆涂覆的镀锡钢板以1.1至1.8的侧壁塑性成形比R进行拉伸成形而形成; 侧壁塑性成形比R由下式定义:其中W代表上部件坯料的重量(g),t代表上部件坯料厚度(cm) 侧壁rho表示上部件的坯料的密度(g / cm3),D0表示上部件的浇口的内径(cm),D1代表平均内径(cm) 的侧壁。 在周向接合部分中,下部构件的侧壁通过有机粘合剂粘合到上部构件的侧壁,该有机粘合剂介于施加到下部构件的侧壁的底涂层和施加到侧壁的底漆涂层之间 的上部成员。 提高了搭接周向侧接缝的接合强度和耐漏出性。
    • 9. 发明授权
    • Seam covered welded can
    • 接缝焊接罐
    • US4735835A
    • 1988-04-05
    • US901648
    • 1986-09-02
    • Kazuo TairaSachiko IshikawaHisakazu YasumuroKenji MatsunoHiroshi Matsubayashi
    • Kazuo TairaSachiko IshikawaHisakazu YasumuroKenji MatsunoHiroshi Matsubayashi
    • B23K31/00B65D8/22B65D23/02B65D25/14
    • B65D7/38Y10S220/29Y10S220/917Y10T428/1355Y10T428/31681
    • Disclosed is a welded can having at least the inner face side of a weld seam covered with a composite film of a thermoplastic resin, wherein the thermoplastic resin composite film comprises (I) an innermost layer, located on the inner face side of the can, of a thermoplastic polyester having a molecularly oriented crystal and comprising a dibasic acid component content of at least 90 mole % of terephthalic acid and a diol component containing at least 90 mole % of ethylene glycol, said innermost layer (I) overlayer (II) a seam-contacting layer, located on the seam side, of a thermoplastic copolyester containing in the chain molecule a dibasic acid component containing 40 to 95 mole % of terephthalic acid and 0 to 40 mole % of isophthalic acid and a diol component containing ethylene glycol and butane diol in a total amount of 65 to 100 mole % at a molar ratio of from 5/95 and 80/20 or a blend of such copolyesters, and the composite film comprising the layers (I) and (II) has an elasticity modulus of 5 to 220 kg/mm.sup.2 at a temperature lower by 20.degree. C. than the softening temperature of the resin of the layer (II).
    • 公开了一种焊接罐,其至少具有被热塑性树脂复合膜覆盖的焊缝的内表面侧,其中,热塑性树脂复合膜包括(I)位于罐的内表面侧的最内层, 的具有分子取向晶体并且包含至少90摩尔%对苯二甲酸的二元酸组分含量和含有至少90摩尔%乙二醇的二醇组分的热塑性聚酯,所述最内层(I)覆盖层(II)a 包含在链分子中的含有40〜95摩尔%对苯二甲酸和0〜40摩尔%间苯二甲酸的二元酸成分和含有乙二醇的二醇成分的热塑性共聚酯的接缝层, 丁二醇的总量为65至100摩尔%,摩尔比为5/95和80/20或这种共聚酯的共混物,并且包含层(I)和(II)的复合膜具有弹性 在比层(II)的树脂的软化温度低20℃的温度下,模量为5〜220kg / mm 2。