Abstract: A method of cold drawing, forming and otherwise cold working a sheet metal blank to form a can end member for seaming to one end of a can body in which the can end has a continuous score line along which the can end is severed for complete removal of an end panel, and in which a protective metal fold is formed in the can end with portions of the fold metal extending to a location circumferentially outward beneath and beyond the score line location to present a dull hazard-free edge on the end panel when torn from the can end member. The metal working procedure includes steps of blanking, drawing, panel forming, curling, redrawing, resizing, coining, scoring, out-folding and embossing, by cold working operations performed on a thin sheet metal blank to produce a can end, accompanied by forming an integral rivet to join a pull tab to the end panel portion of the can end. A can end with a continuous annular three layer fold having a continuous annular score line in the top layer.

Abstract: An aluminum food product container or can having an easily opened can end seamed to one end of the can body. The outer surface of the can end member has a score line along which the can end is severed for opening the can and removing an end panel. The score line is located adjacent and above a shoulder in the can body extending inwardly below the seam. A protective double fold is formed in the can end by extending the end metal annularly inwardly in a first layer from the score line, then reversely outwardly in a second layer beneath the first layer to a location circumferentially underlapping the score line location, and then reversely inwardly in a third layer beneath the first two layers into the can end panel portion. The double fold formation presents a dull hazard-free edge to the end panel when torn from the can end member.