Bottom pre-folder for carton with folded-in gusset tips
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United States of America Patent
Stats
-
Jun 3, 2008
Grant Date -
Oct 18, 2007
app pub date -
Apr 17, 2006
filing date -
Apr 17, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A bottom prefolding assembly prefolds the bottom panels of a package having a bottom wall formed with in-folded gusset tips. The prefolding assembly infolds the bottom gusset panels, leading and trailing panels of a carton and in-folds the gusset panel tips prior to forming the sealed carton bottom. The assembly includes a drive, first and second folding arms configured to contact and inwardly prefold the lead and trailing panels and a forming arm movable with the first and second folding arms. The forming arm has a pair of pivotable finger elements mounted thereto. The finger elements each having a carton engaging portion to engage the panel portions that form the gusset tips and fold the panel portions in a direction opposite of the folding of the gusset panels.
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Cited Art Landscape
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