Container with a threaded CAP having a spring-loaded self-closing cover
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United States of America Patent
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Issued Date -
N/A
app pub date -
Sep 26, 2002
filing date -
Oct 28, 1997
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A container with an integrally molded flap for covering an opening has a top that is deflected during cooling to provide a self-closing capability. This capability is provided by causing the top to cool to room temperature when the flaps are closed into a warped shape, either concave or convex in which the hinge formed integral with the flap and the rest of the cover is curved with the flaps closed. This could be done by careful design of the cap such that it warps this way during cooling naturally, or by pressing on the cap during cooling to 'set' the cap and hinge in a curved shape. When the flap is opened, the arrangement of the flap and hinge reduce the chance that the flap will return to its as-molded position and jam.
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Cited Art Landscape
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