Importance

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Abstract

A vessel for use with a closure member of type having a telltale therein for tamper indication and movable in first and second opposite senses relative to said vessel for joinder and removal. The vessel comprises the customary neck terminating in a vessel mouth and defining surface extent circumscribing the mouth and inclusive of vessel sealing surface and the neck has the typical threads for closure member securing thereon. In accordance with the invention, the vessel surface extent is adapted for engaging the telltale and is configured to effect first and second different engagements therewith respectively in the course of the first and second sense movements. With such facility, the vessel permits the telltale to be moved into closure relation with the sealing surface and to be selectively positively restrained from movement relative to the mouth in the initial phase of the second closure member movement.

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First Claim