Patent ID: 7549547

Claim:
An apparatus, comprising: an outer closure including a closure plane and a circumferentially depending outer skirt extending in a first direction from the closure plane, the closure plane having a plurality of first ramped lugs equi-spaced around a circumference of the closure plane, the first ramped lugs extending axially in the first direction, the outer skirt having screw threads on a radially inward side and a tamper-evident arrangement frangibly connected to a lower edge of the outer skirt, and an inner sealing disk adapted to nest against a side of the closure plane facing the first direction, the inner sealing disk encloseable by the outer skirt, the inner sealing disk including a plurality of second ramped lugs extending axially in a second direction opposite the first direction, each of the second ramped lugs corresponding to a respective one of the first ramped lugs, a second ramp of each of the second ramped lugs substantially parallel to the first ramp for each radial position.