POSITIVE-ORIENTATION SYSTEMS FOR CLOSURES AND CONTAINERS.

摘要

Positive orientation systems are provided for packages formed by the combination of a container and closure. In one embodiment, the invention provides a closure having a plug seal with at least one plug seal lug that cooperates with a container neck lug formed on a shoulder on an interior surface of the container neck. In another embodiment, at least one neck lug is provided on an end of the container neck and the closure body is provided with at least one closure deck lug extending from the closure deck and adapted to engage a corresponding one of the at least one neck lug.