HOT AIR TUNNEL SYSTEM APPARATUS AND LABELING METHOD USING SAME
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United States of America Patent
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Issued Date -
Jun 27, 2013
app pub date -
Dec 23, 2011
filing date -
Dec 23, 2011
priority date (Note) -
Abandoned
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Abstract
A hot air tunnel system apparatus comprising a preheating zone, a labeling zone, and a cooling zone with a transporting member provided through the lower parts of said zones to convey a product to be labeled from the preheating zone to the cooling zone, wherein each zone is equipped with fan heaters on both sides and on the bottom thereof, and also equipped with an air circulation system on the top thereof, which can minimize such labeling defects as loose labels, film curl, and irregular shrinkage when polyethylene-based products are labeled with heat-shrinkable labels.
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