Vertical pouch machine

Details Vertical pouch machine Vertical pouch machine

2007-03-20

2007-03-20

Gerrity, Stephen F. (Department: 3721)

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

C053S451000, C053S133400, C053S551000, C053S371300, C493S248000, C493S267000, C493S308000

Reexamination Certificate

active

10834578

ABSTRACT:
A vertical form fill and seal continuous pouch machine includes a forming tube having a cross section area of CA is disclosed. A film tube is continuously formed about the forming tube and fed downward. A horizontal sealing assembly includes at least one pair of opposing sealing bars that make horizontal seals on the film, thereby forming pouches. The horizontal seals are formed in a horizontal sealing zone, and the vertical distance from a lower end of the forming tube to the center of the horizontal sealing zone is a transition distance that is (in inches) preferably no more than 0.5 multiplied by the cross-section area (in sq. inches).

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