Receptacles – Closures – Superposed closures for common opening
Patent
1996-12-17
1998-04-07
Cronin, Stephen
Receptacles
Closures
Superposed closures for common opening
220270, 220276, 215256, 215354, 22912515, 222541, B65D 5122
Patent
active
057354260
ABSTRACT:
A fitment and closure assembly useful with a gable-topped carton having a gable-forming panel with a pouring hole, through which contents are pourable from the carton, is molded from low density polyethylene. A fitment having a tubular spout formed with an external thread and an annular flange extending outwardly from the tubular spout, below the external thread, is attachable to the gable-forming panel so that the annular flange is attached to the gable-forming panel, around the pouring hole, and so that the tubular spout extends upwardly from the pouring hole. A closure having an upper wall, a tubular skirt with an internal thread and an upper shoulder, and a plug seal forming an annular recess between the plug seal and the upper shoulder is threadable onto the fitment so that the external and internal threads are interengaged and so that the upper end of the tubular spout enters the annular recess with an interference fit. A tear-away web disposed within the tubular spout is attached to the intermediate shoulder by a tearable membrane extending around the intermediate shoulder, below the upper portion of the tubular spout, so that the internal cross section of the tubular spout is not reduced significantly above the intermediate shoulder by any residue of the tearable membrane. A pull ring is attached unitarily to the tear-away web, near the tearable membrane, for initiating a tear in the tearable membrane. Optionally, the tubular skirt has a tear-away band, below the internal thread.
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Babcock David E.
Urmston Hugh C.
Alcoa Closure Systems International Inc.
Cronin Stephen
LandOfFree
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