Tube-forming unit for a form-fill-seal machine

Details Tube-forming unit for a form-fill-seal machine Tube-forming unit for a form-fill-seal machine

B - Operations, Transporting

65

B

B65B 43/04 (2006.01) B29C 53/50 (2006.01) B65B 51/22 (2006.01)

Patent

CA 2419859

A form fill-seal machine has an ultrasonic vibration emitter head 11 positioned outside the tube being formed by the overlapping of the margins 3 and 5 of a film web and an anvil 13 positioned inside the tube defined by those margins 3 and 5, the anvil being mounted on a mount 25 which is supported by a frame element entirely independent of the forming box 1 used to suitably fold the film, so as to isolate the anvil from vibrations sustained from the forming box. The anvil mount 25 may be mounted directly to a carrier body for the ultrasonic vibration emitter and has the shape of an inverted letter J where the anvil 13 is positioned near the toe 25a of the J, the mounting to the sealing machine frame is at the top of the stem 25c of the J and there is a slot 25b between the toe 25a and the stem 25c.

Une formeuse-remplisseuse-scelleuse possède une tête d'émetteur vibratoire ultrasonore 11 placée en dehors du tube formé par le chevauchement des marges 3 et 5 d'un ruban de film et d'une plaque de support 13 placés dans le tube défini par ces marges 3 et 5, la plaque de support étant montée sur une monture 25 prise en charge par un élément de structure entièrement indépendant de la boîte de formage 1 utilisée pour plier le film de manière appropriée, afin d'isoler la plaque de support des vibrations subies par la boîte de formage. La monture de la plaque de support 25 peut être montée directement sur un corps porteur pour l'émetteur vibratoire ultrasonore et possède la forme d'une lettre J inversée où la plaque de support 13 est placée près de l'ergot 25a du J, le montage de la structure de scelleuse se trouve au sommet du bras 25c du J, et il y a une fente 25b entre l'ergot 25a et le bras 25c.

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