Method and apparatus for making reclosable bags having...

Details Method and apparatus for making reclosable bags having... Method and apparatus for making reclosable bags having...

2005-04-26

2005-04-26

Kim, Eugene (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

C493S189000, C493S198000, C493S200000, C493S214000, C493S239000

Reexamination Certificate

active

06884208

ABSTRACT:
Methods and apparatus for eliminating unattached remnants or tails of bag making film adjacent a string zipper during manufacture of reclosable bags. Gathered film tails may interfere with slider insertion or slider operation or may cause the film to be pulled off of or peeled away from the string zipper during slider operation. After trimming, the tails of the film are welded to the zipper by conductive heat sealing or equivalent means.

REFERENCES:
patent: 6212857 (2001-04-01), Van Erden
patent: 6553740 (2003-04-01), Delisle
patent: 6581358 (2003-06-01), Buchman
patent: 6662843 (2003-12-01), Johnson

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