BLANK FOR METALLIC CAN, AND METHOD FOR MANUFACTURING THE METALLIC CAN

摘要

A metallic can is manufactured by using a metallic can blank, which has such a shape as is enclosed by circumscribing lines of an n-number, partial arcs or partial lines of an n-number and linear or arcuate connecting lines of a 2n-number. The circumscribing line is the line, which has a middle point at the contact with the circle in the n-sides of the regular n-polygon circumscribing a circle and which is shorter than one side of the regular n-polygon. The partial arc is a portion of the arc of the circle, which is positioned in the circumferential direction of that circle between one circumscribing line and its adjacent circumscribing line. The partial line is a line joining the two end portions of the partial arc. The connecting line is a line joining the end portion of the circumscribing line and the end portion of the partial arc or partial line positioned at the most proximity. As a result, the metallic can is remarkably improved in its material yield and productivity, thereby to have a high quality.