Flat sided forming tube for a form-fill-seal machine

Details Flat sided forming tube for a form-fill-seal machine Flat sided forming tube for a form-fill-seal machine

1991-11-04

1993-10-26

Sipos, John

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53552, B65B 906

Patent

active

052554970

ABSTRACT:
A form-fill-seal machine, for converting a continuous sheet of sealable film into bags, filling and then sealing the bags, in which the vertical forming tube is fabricated from a rectangular sheet of stainless steel material by making a plurality of equal angle and equal spaced bends in the stainless steel material and joining the ends together with a butt weld such that the vertical forming tube has a regular polygon cross section

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patent: 4932105 (1990-06-01), Muller
patent: 4991379 (1991-02-01), Boeckmann

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