Method and device for penetrating film-type substrates

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 3/00 (2006.01) B65B 43/26 (2006.01) B65B 43/30 (2006.01) B65B 43/36 (2006.01) B65H 3/28 (2006.01)

Patent

CA 2502812

The invention relates to a device and a method for separating film layers (8), which consist of different materials and are joined together in an air-tight manner by adhesion, a material bond or similar forms of bonding, in a simple manner. In this case, separation means that only one respective layer (18) is pierced and raised by rotation by means of a screw-type thread (16), allowing a gaseous medium, (e.g. air) or liquid medium, (e.g. water) medium to be introduced into the gap that has been created between said layer and the second film layer (17). The method and the device are characterised in that they are simple and can be applied in any position on the film workpieces. No additional openings, distances, valves or similar in the films therefore need to be considered and no prior material treatment, (introduction of separation elements) is required in order to subsequently fill bags that are produced in this manner. Production costs are thus minimised, handling times are reduced and material expenditure or the creation of composites by the introduction of other materials is avoided.

L'invention concerne un dispositif et un procédé permettant de séparer de manière simple des couches (8) de films de différentes matières assemblées de façon hermétique par adhérence, collage ou tout autre type d'assemblage. Cette opération de séparation consiste à percer une seule couche (18) et à la soulever au moyen d'un filetage hélicoïdal (16) par rotation, un fluide gazeux (p. ex. de l'air) ou liquide (p. ex. de l'eau) pouvant ensuite être introduit dans l'espace créé entre cette première couche et la deuxième couche (17) de film. Le procédé et le dispositif selon l'invention se caractérisent en ce qu'ils sont simples à utiliser et en ce qu'ils peuvent être appliqués à des pièces de film indépendamment de la position. Il n'est donc pas nécessaire de prendre en considération des ouvertures, des écartements ou des valves supplémentaires, ou similaire, dans les films, ni de prévoir de traitement de matériaux préalable (introduction d'agents de séparation) pour permettre un remplissage ultérieur des sachets produits de cette manière. L'invention permet ainsi de réduire les coûts de production et les temps de manutention et d'éviter des dépenses de matériaux ou la création de matériaux composites par introduction d'autres matériaux.

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