Tamper evident cap

A container closure assembly comprising a closure plug configured to engage an opening of a container to close said opening and a tamper-evident cap for engagement to the container closure plug, the cap comprising a panel comprising a container closure plug-facing side and a preweakened region defining a tear strip, the tear strip comprising a tear strip pin extending from the closure plug-facing side and configured for receipt in a recess formed in the container closure plug, a sidewall extending from the closure plug-facing side, and a center post extending axially from a central region of the panel, wherein the center post is configured to engage the container closure plug, the center post comprising a post preweakened region.

A tamper-evident cap for engagement to a container closure plug, the cap comprising a panel comprising a container closure plug-facing side and a preweakened region defining a tear strip, the tear strip comprising a tear strip pin extending from the closure plug-facing side and configured to fit in a recess formed in the container closure plug and prevent rotation of the cap when the cap is engaged to the container closure plug, a sidewall extending from the closure plug-facing side, and a center post extending axially from a central region of the panel, wherein the center post is configured to engage the container closure plug, the center post comprising a post preweakened region formed annularly between the panel and an externally threaded section of the center post, and at least one preweakened seam defining an edge tamper-evident feature positioned on the periphery of the cap.