Patent ID: 7922021

Claim:
A closure for a container having a bottom, at least one sidewall extending generally upwardly from the bottom, and a substantially planar flange extending generally outwardly from a top of the at least one sidewalls, the closure comprising: a base having a substantially planar flange trap, a base seal lock, and an opening, the flange trap having a generally horizontal orientation, the opening being defined inside of the flange trap, and the base seal lock extending beyond the flange trap; and a top cover having a seal boss, a top cover seal lock, a substantially planar flange boss, and a top surface, the top cover seal lock being disposed to align with and contact the base seal lock when the closure is in a closed position, the flange boss being located inside of the top cover seal lock and being disposed to align with the flange trap when the closure is in the closed position, the seal boss being located inside of the top cover seal lock and the flange boss and outside the top surface, the seal boss having an open V-shaped configuration defined by first and second members joined at an apex extending downwardly beyond the top surface and the flange boss such that the seal boss extends into the base to contact at least one sidewall of a container positioned in the base when the closure is in the closed position.