Patent ID: 7968163

Claim:
A resin-coated aluminum seamless can body formed by draw-ironing and/or stretch-drawing, featuring 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 is coated with a thermo-plastic resin layer, the total thickness of the thermo-plastic resin layer of the inner surface and the outer surface is of 2-50 μm, 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 thermo-plastic resin of the side wall of the can in the direction of the circumference of the can is 450 MPa or less, and the product of the minimum thickness of a plate of the side wall of the can including the thermo-plastic resin <t> (mm), and the tensile stress measured for the side wall of the can including the thermo-plastic resin in the direction of height of the can  (MPa) is <t×s>≧30; and said thermo-plastic resin layer is a thermo-plastic polyester resin layer, said polyester resin is comprised of oriented crystals, wherein the heat of fusion of said polyester resin is not less than 15 J/g.