Patent ID: 6151868
Filing Date: 2000-11-28
Classification: B65B

Abstract:
An apparatus for making reclosable packages comprising:means for advancing thermoplastic film having a longitudinal axis along said axis in amounts equal in length to that of said packages;means for disposing a length of zipper strip having first and second interlocking profiles upon said film transversely to said longitudinal axis with one of said profiles positioned substantially parallel to and above the other;means for attaching the lower of said profiles to said thermoplastic film;a forming collar downstream of said attaching means over which said thermoplastic film and profiles is fed and a filling tube about which said thermoplastic film is folded so as to bring longitudinal edges of said film together to form front and back package walls; andmeans for guiding the upper of said profiles as said thermoplastic film is fed over said forming collar and folded around said filling tube so as to maintain said substantial parallelism of said upper and lower profiles.