Dispensing – With frangible closure for outlet – About line or point of weakness
Reexamination Certificate
2007-12-21
2010-10-12
Ngo, Lien T (Department: 3754)
Dispensing
With frangible closure for outlet
About line or point of weakness
C220S258200, C215S255000
Reexamination Certificate
active
07810681
ABSTRACT:
In an embodiment of the invention there is provided a membrane fitment designed and sized to be inserted into the orifice defined by a container. Retention structure on the fitment cooperates with complimentary structure on the internal wall of the container orifice to secure the fitment within the orifice such that the combination forms an excellent primary seal. Tamper evidence is offered by the normal requirement for initial membrane removal. Novel designs for the membrane, its associated pull ring, and the frangible removal structure are taught in various embodiments. The novel designs may promote facile initial removal suitable for a child. In addition, the novel designs avoid the potential hazards presented by prior art membranes.
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Hennessy Thomas
Kim Sungsuk Steve
Lohrman Richard D.
Hanrath James P.
Ngo Lien T
Portola Packaging, Inc.
Sacharoff Adam K.
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