CONTAINER FOR LOOSE MATERIALS AND RELATED BLANK
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United States of America Patent
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Issued Date -
Sep 15, 2016
app pub date -
Mar 8, 2016
filing date -
Mar 8, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A container for loose materials made by folding a blank made of flexible material includes a concertina folding spout, hinged to the containment walls at a hinge defined by a line of weakness of the blank and configured to pass from a retracted position to an extracted position; reversible locking means are provided which are configured to reversibly fix the concertina folding spout in the retracted position to the containment walls; also provided are sealing elements configured to fix the concertina folding spout in the retracted position to the containment walls until the container is opened for the first time, after which the sealing elements permanently change their configuration from the closed configuration to an open configuration which is visible to a user.
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Cited Art Landscape
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