Closure with plastisol liner defining a retaining bead

Details Closure with plastisol liner defining a retaining bead Closure with plastisol liner defining a retaining bead

B - Operations, Transporting

65

D

206/22

B65D 53/02 (2006.01)

Patent

CA 1249241

-10- CLOSURE WITH PLASTISOL LINER DEFINING A RETAINING BEAD ABSTRACT OF THE DISCLOSURE This relates to a closure utilizing a-liner which is formed of plastisol or like material which puffs or expands upon curing after the liner has been applied. By providing the liner with a skirt portion and by in- creasing the radial thickness of a lower part of the liner skirt portion through a shaping of the skirt of the closure shell, the cured liner skirt portion will expand differentially and form, on the inner surface of the liner skirt portion, a bead which will snap over and lock beneath a bead on a container neck finish to lock the closure in a container sealing position. The closure may be removed and reapplied to reseal the container.

447308

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