Container seal closure and assembly

Abstract

A seal closure for a container includes a closure body and a plug liner. In embodiments, the closure body includes an upper wall, an outer annular wall, a radially outer support portion, and a radially inner support portion. The outer annular wall includes formations configured to engage a neck portion of a container. The plug liner may be configured to extend radially across the radially inner support portion. A hollow space can be formed by and provided between the plug liner, the radially inner support portion, and the upper wall. Embodiments of the closure may also include a plug seal. A method for designing or configuring a closure to accommodate or displace a headspace associated with a container is also disclosed.

Dependencies are inferred from the claim text.