Apparatus for dividing heat-shrinkable plastic film into different temperature regions
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United States of America Patent
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May 12, 2015
Grant Date -
Oct 31, 2013
app pub date -
Apr 30, 2012
filing date -
Apr 30, 2012
priority date (Note) -
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Abstract
Apparatus and a process for dividing heat-shrinkable plastic film into different temperature regions within a shrink wrap oven including a movable platform; a cylindrical tube immovably mounted within the oven in the direction of movement of the platform and including a platform for supporting a portion of the heat-shrinkable plastic film and a slit running the length of said cylindrical tube; a package covered with heat shrinkable plastic film and including that portion of the heat-shrinkable plastic film resting on the platform adjacent the cylindrical tube; an electric fan mounted at the opposite end of the cylindrical tube containing the platform and sucking ambient air through the cylindrical tube to cool that portion of the heat-shrinkable plastic film as the heat-shrinkable plastic film is tightly shrunk around the package.
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