公开(公告)号：EP1640277A1

公开(公告)日：2006-03-29

申请号：EP04746220.5

申请日：2004-06-22

申请人： TOYO SEIKAN KAISYA, LTD.

发明人： TADAKI, Yasufumi, c/o Techn. & Packaging Dev. Div ,  TSUCHIYA, Nobuo, c/o Yokohama Plant ,  NISHIDA, Kazuhiro, c/o Techn. & Packaging Dev. Div ,  KANAZAWA, Seitaro, c/o Techn. & Packaging Dev. Div

IPC分类号： B65D1/00

CPC分类号： B32B27/36 ,  B32B1/02 ,  B32B15/08 ,  B32B15/09 ,  B32B15/20 ,  B32B2250/02 ,  B32B2255/06 ,  B32B2255/26 ,  B32B2307/54 ,  B32B2439/66 ,  B32B2439/70 ,  B65D1/165 ,  Y10T428/1321 ,  Y10T428/1355 ,  Y10T428/1359 ,  Y10T428/1379 ,  Y10T428/1383

摘要： The object of the present invention is to offer a can that features superior resistance against puncture under higher puncture strength, and superior resistance against flange cracking.
The resin-coated aluminum seamless can body of the present invention features superior resistance against cracks in the can wall during distribution, and resistance against flange cracking, wherein the inner and/or outer surface of the can of the aluminum seamless can 10 is coated with a layer of thermo-plastic resin, the thickness of the thermo-plastic resin layers of the inner surface and the outer surface is a total of 2-50 µ m, with a minimum thickness of the aluminum plate of the side wall of the can 0.110 mm or less, and the tensile stress at break measured for the aluminum plate that is removed from the thermo-plastic resin of the side wall of the can in the direction of the circumference of the can, is 450 MPa or less, the product t×s of the minimum thickness t (mm) of a plate of the side wall of the can including the thermo-plastic resin, and the tensile stress s (MPa) measured of the side wall of the can including the thermo-plastic resin in the direction of height of the can is ≧30.

摘要翻译： 本发明的目的在于提供一种在更高的穿刺强度下具有优异的抗穿刺性，并具有优异的抗凸缘开裂性的罐。 本发明的树脂涂覆的铝无缝罐体在分配期间具有优异的耐罐壁裂纹抗性和抗凸缘开裂性，其中铝无缝罐10的罐的内表面和/或外表面涂覆有 μm，罐的侧壁的铝板的最小厚度为0.110mm以下，对于从罐的侧壁的热塑性树脂除去的铝板测得的拉伸应力断裂 在罐的圆周方向上为450MPa以下，包含热塑性树脂的罐侧壁板的最小厚度t（mm）的乘积t×s和拉伸应力 测量包括热塑性树脂在内的容器侧高度的罐侧壁的s（MPa）为‰§30。