Sealing liner for a closure

Details Sealing liner for a closure Sealing liner for a closure

B - Operations, Transporting

65

D

B65D 53/04 (2006.01) B65D 41/08 (2006.01)

Patent

CA 2529113

A sealing liner for a container includes a unitary body having a substantially circular shape with an outer peripheral edge, an interior panel, and an annular wave portion surrounding the interior panel and being positioned between the interior panel and the peripheral edge. The wave portion is constructed and arranged with an inwardly-directed surface that includes two axially- projecting, concentric annular portions and a concave land area between the two annular portions. The sealing liner is bonded into a unitary closure having a sidewall and an upper panel wherein the sidewall is constructed and arranged for attaching to the neck finish of a container. The neck finish includes an upper edge and the sealing liner is configured such that its concave land area contacts the upper edge for sealing of that location and the corresponding interface between the container and closure.

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