Patent ID: 7430844

Claim:
A duplex packaging machine comprising: a packaging film roll structured to feed package film; a folding board structured to fold said package film into a folded web; a zipper profile roll structured to feed a zipper profile; a rotary slider applicator including a programmable servo motor that synchronizes the application of a plurality of sliders to said zipper profile; substantially transverse sealing jaws structured to seal edges of said folded web in order to form a pair of adjacent pouches; a filling station including a pair of product hoppers structured to supply product for filling said adjacent pouches two at a time; sealing bars structured to seal said adjacent pouches proximate a third edge thereof; package separators structured to separate a series of said adjacent pouches, in order to form individual packages; a processor; and a memory, said memory storing one or more programmable functions executable by said processor, said one or more functions being adapted to: feed and fold said package film in order to form said folded web, feed said zipper profile, secure said zipper profile to said zipper profile, apply said plurality of sliders to said zipper profile sequentially as said zipper profile is moving, couple said zipper profile to said folded web, seal two edges of said folded web in order to form adjacent pouches each having one of said plurality of sliders, fill said adjacent pouches, seal said adjacent pouches proximate a third side thereof, and separate said adjacent pouches in order to form individual packages.