End caps for tubes and shipping containers formed therefrom
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United States of America Patent
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Mar 22, 2011
Grant Date -
Jun 14, 2007
app pub date -
Jun 16, 2006
filing date -
Mar 16, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An end cap adapted to releasably secure to a tube having a first open end to form a shipping container. The end cap includes a base, a sidewall surrounding and extending from the base, at least one movable projection biased to extend beyond the outer side of the sidewall, and a deformable sealing element extending from a perimeter of the base and/or from the outer side of the sidewall. When the end cap is secured to the tube, an inner side of tube surrounds the outer side of the sidewall of the end cap, the movable projection extends into a mounting opening formed in the tube proximal to the first open end, and the sealing element is deformed against the inner side of the tube to form a circumferential seal between the end cap and the tube such that the end cap completely plugs a passageway through the tube.
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