Patent ID: 6098832
Filing Date: 2000-08-08
Classification: B21D,B65D,Y10S

Abstract:
A method of forming a can body, said can body having a longitudinal axis, the method comprising:forming a container having a generally cylindrical outer wall and a bottom attached to said generally cylindrical wall, said bottom including a supporting surface which defines a first diameter, a sidewall connecting said cylindrical wall to said supporting surface, a central panel, the major portion of which is disposed radially inwardly of said supporting surface, and a panel positioning portion having a lower end and an upper end, said panel positioning portion connecting said supporting portion to said central panel in a first region; andreforming said panel positioning portion, after said step of forming to impart a radius therein, spaced from said first region wherein the region of said panel positioning portion below said radius includes a first panel positioning portion, at least the uppermost portion of which is disposed inwardly and upwardly relative to said supporting surface, and a second panel positioning portion, above said first panel positioning portion, at least the lowermost portion of said second panel positioning portion being disposed outwardly and upwardly relative to said first panel positioning part,wherein said radius is substantially centrally located in said panel positioning portion.