Device for erecting flat-folded tubular blanks
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United States of America Patent
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Dec 13, 2011
Grant Date -
Oct 1, 2009
app pub date -
Feb 24, 2009
filing date -
Mar 27, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The device for erecting flat-folded tubular blanks supplied in flat-folded form comprises a collecting group provided with first gripping means which are mobile between a pick-up station of the single tubular blanks from a store and an opening station of the single tubular blanks. An opening group is arranged in the opening station and provided with second gripping means for gripping the single flat-folded tubular blanks at a second surface thereof, opposite the first surface engaged by the first gripping means. The second gripping means are mobile between a gripping position of the single tubular blanks and a distanced opening position thereof. A folding organ is destined to progressively engage a free side of the single tubular blanks during the course of opening, for completing the erecting of the tubular blanks.
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