Container closure with shape memory
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United States of America Patent
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N/A
Issued Date -
Aug 10, 2006
app pub date -
Feb 6, 2006
filing date -
Feb 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A container has a body formed with an opening and adapted to hold a fluent material that can exit the body through the opening. A closure fittable with the opening is displaceable on the body between a closed position blocking flow out of the body through the opening and an open position permitting flow out of the body through the opening. Respective interengageable formations on the closure and on the body include one formation of a shape-memory material and deforming on temperature change past a predetermined transition temperature from a first deformed shape to a second memory shape. This one formation blocks movement of the closure on the body between one of the positions and the other position when in one of the shapes and permits movement of the closure on the body between the other of the positions and the one position when in the other of the shapes.
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