Synthetic closure with multiple internal layers, each layer having a variable cross section (VCS) along the closure length
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United States of America Patent
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Sep 6, 2011
Grant Date -
Sep 25, 2008
app pub date -
Mar 22, 2007
filing date -
Mar 22, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A container closure includes an inner core having a non-cylindrical profile created by a variable longitudinal cross-sectional area. One or more outer layers concentrically surround the core and have a cross-sectional area inversely correlated to the inner core so that the overall container closure has an essentially cylindrical profile.
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