Method of winding sheet web coated with pressure-sensitive adhesive
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United States of America Patent
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-
Mar 23, 2004
Grant Date -
Apr 17, 2003
app pub date -
Mar 8, 2002
filing date -
Oct 11, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
In winding up a sheet web coated with a tacky adhesive, a roll changing method is provided which obviates the necessity of applying an adhesive. When changing the sheet web from a full wind roll wound up on a turret winder to a new core tube, the new core tube is revolved in reverse to the rotational direction of the turret, the sheet is cut between the full wind roll now turned by the turret and the new core tube revolving in reverse to it at a winding location, the adhesive side of the end of the cut sheet in the running direction is pressed and attached to the surface of the new core tube under reverse revolution and concurrently, the attached sheet is folded back, and the sheet web continuing from it is wound onto the new core tube, with its adhesive side being a surface side.
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