Machine and Method For Producing Cardboard Tubes
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Feb 1, 2005
filing date -
Feb 24, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Method for producing cardboard tubes by winding a plurality of ribbons (U, L) onto a spindle (1), a preset number of said ribbons (U, L) being glued in correspondence of the lower surface thereof, characterized in that a predetermined amount of supplementary quick setting glue is applied on the lower surface of the last ribbon (U) destined to be wound on the spindle (1), in proximity to at least a longitudinal edge (BU) of said ribbon (U) forming a corresponding stripe of quick setting glue (G) astride of a section (ST) of the same ribbon interested by a subsequent cutting action executed downstream of the spindle (1).
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