Threaded aluminum cans and methods of manufacture

A lightweight, resealable bottle-shaped can made from thin gauge, hard temper aluminum alloy comprising a drawn and ironed sidewall having a metal thickness in a range of about 0.0045 to 0.0065 inch, an integral bottom end wall, and an integral neck portion converging radially inwardly and upwardly from said sidewall to an integral cylindrical chimney on said neck portion, said can having a plastic sleeve on the chimney and having external threads on the sleeve adapted to receive a threaded closure to seal the can under pressure.

A lightweight, dram and ironed aluminum bottle made from thin gauge, hard temper aluminum alloy comprising a one-piece container body having a drawn and ironed sidewall with a sidewall diameter in a range of 2.5 to 3.5 inches and metal thickness in the sidewall in a range of about 0.0045 inch to 0.0065 inch, an integral bottom end wall having a metal thickness of at least about 0.010, an integral die-necked, substantially frustoconical neck portion extending upwardly from said sidewall, an integral die-necked, substantially cylindrical chimney extending upwardly from said frustoconical neck portion, a threaded sleeve around said chimney and secured thereon by an outwardly and downwardly projecting flange around the top edge of said chimney.