Locking cup and lid with negative draft sealing surfaces
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United States of America Patent
Stats
-
Feb 10, 2004
Grant Date -
May 8, 2003
app pub date -
Apr 13, 2001
filing date -
Apr 13, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multi-sealing, multi-locking and reopenable cup and lid assembly includes a cup that has an open circular mouth defining an interior locking groove and an undercut frustoconical sealing surface, and a resilient circular lid having a peripheral lip and a frustoconical sealing surface complementary to cup sealing surface. Insertion of the lid into the cup creates a snap-in lock of the lip in the locking groove and a liquid-tight seal between the sealing surfaces. Interrupted portions in the interface between the lid lip and the locking groove in the cup may be aligned by manual rotation of the locked lid for unlocking and easy removal thereof.
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