Device for Opening and Re-Closing Food-Containing Packages
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Jan 24, 2014
filing date -
Feb 15, 2013
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Abstract
A device for opening and re-closing food-containing packages includes a pouring element with a circumferential flange for fastening to the package and a neck for pouring, as well as a cutting element, which is arranged inside the neck and has a plurality of teeth, which are arranged around the circumference and directed towards the package, and a screw cap, the cutting element cutting a pouring opening into the composite film material as a result of a rotational movement of the screw cap when the package is opened for the first time. The teeth of the cutting element have a steep gradient at the tip thereof, a shallower gradient at the flanks thereof and a steep gradient again at the bases thereof.
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