Patent ID: 7337921

Claim:
A closure for a container having an opening, said closure comprising: a base cap including an outer skirt having container-engaging structure, a cylindrical well defining a chamber for containing and supporting a consumable or other item located therein, a frangible membrane connected to said well along an inclined line of weakness and by a hinge member within said well, said hinge member having a pocket extending downward adjacent lower and upper terminuses of said line of weakness; and an overcap including a body having gripping structure, an inner skirt received within and rotatably connected to said well, and a cutting member depending from a lower end of said inner skirt substantially received within said pocket such that said cutting member extends below said lower terminus when said base cap is assembled to said overcap, whereby said cutting member severs said line of weakness upon substantial rotation of said overcap with respect to said base cap; wherein said base cap includes an annular groove and said overcap includes a locking structure rotatably received within said groove to axially fix said overcap with respect to said base cap during severing of the line of weakness.