MACHINE AND METHOD FOR PRODUCING A TUBULAR ELEMENT BY WINDING A CARDBOARD STRIP IN A COIL PATTERN WITHOUT USE A QUICK-SETTING HOT GLUE
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Feb 27, 2015
filing date -
Feb 28, 2014
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Abstract
Machine for producing a tubular element by winding a cardboard strip (11) in a coil pattern and subsequently cutting it (17) to size; said machine being of the type comprising a winding pin (13) on which said cardboard strip (11) is wound in a coil pattern partially overlapping so as to form an overlapping area (12) between subsequent turns of the coil and a dispenser (14) of glue (18) configured to apply said glue (18) on said strip (11) within said overlapping area (12); the machine also comprises means for cyclically arranging adhesive labels (20) astride the edge of said strip (11) at the areas undergoing the subsequent cutting operation (17).
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