Package making – Apparatus for forming or partially forming receptacle and... – Forming a pocket or pouch by folding and side sealing
Reexamination Certificate
2007-04-12
2008-10-07
Durand, Paul R (Department: 3721)
Package making
Apparatus for forming or partially forming receptacle and...
Forming a pocket or pouch by folding and side sealing
C053S133400, C053S139200, C493S214000, C493S927000, C029S409000
Reexamination Certificate
active
07430844
ABSTRACT:
A method of making and filling reclosable packages using a duplex machine includes the steps of providing a zipper profile, package film and a plurality of sliders; feeding the zipper profile; applying the sliders to the zipper profile; coupling the zipper profile to the folded web; sealing two edges of the folded web to form adjacent pouches; filling the pouches; sealing the pouches proximate a third edge thereof; and separating the pouches in order to form individual packages. The method employs a single rotating slider applicator having a programmable servo motor which is programmed in order to synchronize the application of the sliders to the moving zipper profile with the two at a time form, fill, seal and separate packaging operations of the duplex machine. A duplex machine is also disclosed.
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Buchman James E.
Tilman Paul A.
Alcoa Inc.
Durand Paul R
Merchant & Gould P.C.
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