Vertical filling and packing machine

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 9/20 (2006.01)

Patent

CA 2668401

A vertical filling and packing machine comprises film feed roller (6) for feeding tubular film (20) in a vertical downward direction, a folding device for folding opposing sides of tubular film (20) carried by film feed roller (6) inwardly of tubular film (20), a pair of squeeze rollers (7) for forming an empty portion in the tubular film by rotating while sandwiching the tubular film filled with contents and feeding the tubular film downwardly, and sealing device (8) for heat sealing the tubular film. The folding device includes folding guide (2) which has clearances formed at portions corresponding to the opposing sides of tubular film (20) and supports the outside of tubular film (20), and a pair of folding plates (5) capable of advancing/retracting into/from folding guide (2) through the clearances formed in folding guide (2).

La présente invention se rapporte à une machine de remplissage/emballage verticale comprenant un rouleau d'avance de film (6) pour faire avancer un film tubulaire (20) verticalement vers le bas, un dispositif de pliage pour replier les côtés opposés du film tubulaire (20) qui a été amené à avancer par le rouleau d'avance de film (6) vers l'intérieur du film tubulaire (20), une paire de cylindres presseurs (7) pour former une zone de remplissage vide (20b) dans le film tubulaire (20) en faisant tourner - tout en le prenant en sandwich - le film tubulaire (20) rempli d'un contenu de façon à faire avancer le film tubulaire (20) vers le bas, et une unité (8) pour le scellement à chaud du film tubulaire (20). Le dispositif de pliage comporte un guide de pliage (2) qui est pourvu de jeux formés sur des parties qui correspondent aux côtés opposés du film tubulaire (20) et qui supportent l'extérieur du film tubulaire (20), et une paire de plaques de pliage (5) qui peuvent avancer dans le guide de pliage (2) ou se rétracter hors de celui-ci par le biais des jeux formés dans le guide de pliage (2).

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