Closure and package for high-temperature applications

Details Closure and package for high-temperature applications Closure and package for high-temperature applications

2011-01-25

2011-01-25

Stashick, Athony (Department: 3781)

Bottles and jars

Closures

With separate applied fastener to hold closure in closed...

C220S254700, C215S350000

Reexamination Certificate

active

07874441

ABSTRACT:
A plastic closure includes a plastic closure shell having a base wall with a central opening and a skirt for securing the closure to a container neck finish. A plastic disk includes angularly spaced fingers extending into the central opening of the shell base wall and external beads on the fingers for engaging an inner periphery of the central opening to retain the disk within the shell. The beads have flat undersurfaces and the inner periphery of the central opening has a ledge with a conical surface engaged by the beads. Any doming that occurs in the disk and/or the closure shell base wall increases the surface contact between the finger beads and the opposing surface of the ledge so that removal of the shell from a container neck finish will simultaneously lift and remove the disk from the neck finish without having the beads snap through the central opening in the shell so that the shell is removed while the disk is retained on the neck finish.

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Notification of Transmittal of The International Search Report and The Written Opinion for International Application No. PCT/US2008/002641, mailed Jun. 4, 2008.
International Search Report for International Application No. PCT/US2008/002641, mailed Jun. 4, 2008.
Written Opinion of the International Searching Authority for International Application No. PCT/US2008/002641, mailed Jun. 4, 2008.

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