| 摘要 |
An aluminum alloy food can body and a method of forming the same whereby an uncoated high strength aluminum alloy sheet stock is blanked and drawn into a sized cup and redrawn by one or more redraws to form the sized can body. The end wall of the can body is formed into a pressure resistant profile, the side wall adjacent the open end is trimmed and outwardly flanged, a plurality of annular beads is formed in a central portion of the side wall, and at least the interior of the can body is coated with a material compatible with the food product to be packaged in the can. An end portion of the can side wall is ironed to reduce its thickness during at least one of the redraw operations. |
