초록 ▼

A can body is disclosed which includes a bottom configuration designed to provide structural strength to the can body, thus permitting reductions in metal usage. The bottom configuration comprises three convex semi-torroidal portions which are connected to the sidewall of the can, a ring portion con

A can body is disclosed which includes a bottom configuration designed to provide structural strength to the can body, thus permitting reductions in metal usage. The bottom configuration comprises three convex semi-torroidal portions which are connected to the sidewall of the can, a ring portion connected to the third convex semi-torroidal portion, a fourth convex semi-torroidal portion connected to the other end of the ring portion, an inwardly directed frustoconical portion connected to the other end of the ring portion, a concave semi-torroidal portion connected to the other end of the inwardly directed frustoconical portion and a bottom closing portion connected to the other end of the concave semi-torroidal portion.

대표청구항 ▼

In a metallic can body comprising a sidewall and a bottom closing structure, the improvement wherein said bottom closing structure comprises a first semi-torroidal portion having one end thereof directly attached to said sidewall, said first semi-torroidal portion being convex with respect to the ex

In a metallic can body comprising a sidewall and a bottom closing structure, the improvement wherein said bottom closing structure comprises a first semi-torroidal portion having one end thereof directly attached to said sidewall, said first semi-torroidal portion being convex with respect to the exterior of said can body and having a radius r1 and an angle a2 and an angle b2 being greater than r1; a third semi-torroidal portion having one end thereof directly attached to the other end of said second semi-torroidal portion, said third semi-torroidal portion being convex with respect to the exterior of said can body and having a radius r3 and an angle m3 being less than r2; a ring portion upon which said can body rests having one end thereof directly attached to the other end of said third semi-torroidal portion, said ring portion having a length L1, said length L1 ranging between about 0.020 to 0.175 inches (0.051 to 0.445 centimeters), and said ring portion being radially inwardly directed with respect to the exterior of said can body at an angle n4 and an angle g2 and an angle r5 and an angle l