Double bead sealing system for container closure

Dispensing – Nozzles – spouts and pouring devices – With separable attaching means

Reexamination Certificate

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Details

C222S525000, C222S546000, C222S566000, C222S569000, C215S237000, C215S245000, C215S354000

Reexamination Certificate

active

07743952

ABSTRACT:
The present invention is a container closure for a bottle or other similar container having a neck. The closure includes a top ring, a downwardly depending skirt, and a hollow generally cylindrical downwardly depending plug seal. The plug seal having a varied thickness with a relatively thick proximal end and tapers to a relatively thinner midpoint. The plug seal further extends at a substantially constant thickness to a distal end. The plug seal includes an upper annular bead and a lower annular bead on the outer surface thereof. The lower bead is slightly larger than the upper bead. The upper bead is located coincident with or near the midpoint of the plug seal and the lower bead is located at or near the distal end of the plug seal.

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