Patent ID: 6532717
Filing Date: 2003-03-18
Classification: B65B

Abstract:
Apparatus for gas tight sealing a plastic bag about perishable containers carried on a four-sided pallet, said pallet having at least two sides of differing length, said pallet having plastic sheeting at the edges of the pallet, said bag having open edges at one end of said bag lying adjacent said sheeting, comprising:a rotatable turntable having an upper support surface on which said pallet rests; a tape dispenser disposed in operative relationship to said rotatable turntable to apply tape from said dispenser to seal said plastic bag to said plastic sheeting; and a roller system including four rotatable rollers rotatably mounted on a single, rotatable carrier, said carrier alone being operatively adapted to apply pressure to said adjacent edges and said sheeting with two of said rollers substantially continuously against said tape during substantially continuous rotation of said turntable, whereby said tape seals said sheeting to said bag on all four sides of said four-sided pallet, said carrier being operatively adapted to move one or more of said rotatable rollers into or out of engagement with said edges and said sheeting whenever encountering an obstruction or imperfection.