Method for making a flat bottom pillow pouch

摘要

The present invention discloses a flat bottom pillow pouch that can stand upright on its bottom transverse seal. The flat bottom pillow bag can be made from the same film as a standard pillow pouch and requires less film than prior art stand up packages. The flat bottom pillow pouch disclosed herein has no gussets.

主权项

1. A method for making a pillow-pouch having a flat bottom, said method comprising the steps of:
a) forming a first end-seal with a pair of sealing jaws to form an open-ended tube wherein said first end-seal is formed beneath a product-delivery tube having an extension in a retracted position, wherein said extension comprises two flexible flaps, and wherein said flexible flaps flex inwardly to form said retracted position; b) providing said extension in an extended position thereby forming a package bottom having a pair of outwardly-extending flaps; c) folding said end-seal with a folding device; d) folding each of said outwardly-extending flaps inwardly and beneath said package bottom; and wherein said providing of said extension into an extended position occurs by actuating a closing mechanism.