Patent attributes
A vial closure assembly for sealing a container includes a ring, a cap, a shell, and an optional cover. The ring has a first top wall defining a first through-opening and a skirt extending downwardly from the first top wall that includes a plurality of locking tabs. The cover includes a second top wall defining a second through-opening, a sidewall extending downwardly from the second top wall, and an interior cavity defined by the second top wall and the sidewall. The cap includes a plurality of tabs configured to engage the first or second top wall. The shell includes a body having an inwardly radially extending upper and lower lip. The upper lip includes at least one rail for sliding contact with a top surface of either the first or second top wall.