Variable tension gusseting system

Details Variable tension gusseting system Variable tension gusseting system

2005-05-09

2009-06-30

Truong, Thanh K (Department: 3721)

Package making

Methods

Enclosing contents within progressively formed web means

C053S370200, C053S551000, C493S429000

Reexamination Certificate

active

07552574

ABSTRACT:
A vertical stand-up pouch, flat bottom bag, or flexible package, and method for manufacturing same, constructed by modification to existing vertical form and fill packaging machines. The invention involves producing a vertical stand-up pouch or flat bottom bag from a single sheet of packaging film by forming one or two vertical creases along opposing sides of the packaging film tube prior to forming a transverse seal on the tube. The vertical crease is formed using a pivoting tucker mechanism positioned outside the packaging film tube and between two forming plates positioned inside the packaging film tube. A novel method is also disclosed for adjusting the orientation of labeling on the packaging film, which results in the production of innovative packages.

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