Patent ID: 6887191
Filing Date: 2005-05-03
Classification: B31B

Abstract:
1. An apparatus for forming a bottom end wall of a carton from a retangular carton blank having open top and bottom ends, first, second, third and fourth body panels adjoining first, second, third and fourth bottom end closure panels, respectively, with first and third bottom end closure panels oppositely disposed and scored to fold inwardly when the second and fourth bottom end closure panels are folded inwardly down to form the bottom of the carton, comprising: a) a mandrel adapted to receive said carton blank through said open top end of said carton blank, with said bottom end closure panels extending beyond a distal free end of said mandrel, said distal free end indexable through a plurality of carton processing stations; b) a heating station; c) a folding station including: d) a pressure sealing station for sealing together said folded bottom end closure panels; and e) wherein said distal free end of said mandrel sequentially indexes through said heating station, said folding station and said pressure sealing station, with said first body panel facing forward relative to the direction of mandrel movement.