Film bag and method for producing it

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 33/25 (2006.01) B31B 19/90 (2006.01)

Patent

CA 2608005

The invention relates to a film bag with two front faces (1, 1~), side folds (2) which are inserted between the front faces in a V-shaped manner, and a resealable closure (3) in a top opening in the bag, comprising two profiled strips (4, 4~) and a slide (5). The film layers of the bag which rest one on the other are connected to transverse and longitudinal sealed seams at the bottom and along the edges of the side folds (2), with the longitudinal sealed seams (6) which run along the side folds extending from the bottom to the upper edge (7) of the bag. The resealable closure (3), including its slide (5), is arranged at a distance from the upper bag edge (7) inside the bag. At least one front face (V) of the bag contains a punched-out area (8) for the slide which is matched to the dimensions of the slide (5) and in which the slide (5) is positioned before the bag is used for the first time. The invention also relates to a method for producing the described film bag.

L'invention concerne une poche constituée d'un film, comprenant deux faces (1, 1'), des plis latéraux (2) insérés en V entre ces deux faces, et un système de fermeture refermable (3) qui est disposé dans une ouverture ménagée dans la partie supérieure de la poche, et qui comprend deux bandes profilées (4, 4') ainsi qu'un élément coulissant (5). Les couches superposées du film constituant la poche sont reliées par des soudures transversales et longitudinales, côté base et le long des bords des plis latéraux (2), les soudures longitudinales (6) se trouvant le long des plis latéraux s'étendant de la base jusqu'au bord supérieur (7) de la poche. Le système de fermeture refermable (3), ainsi que l'élément coulissant (5) qu'il comporte, sont disposés dans la poche, à une distance du bord supérieur (7) de la poche. Au moins une face (1') de la poche comprend une zone découpée à la matrice (8) pour l'élément coulissant, qui est adaptée aux dimensions de l'élément coulissant (5), et dans laquelle cet élément coulissant (5) est positionné avant la première utilisation de la poche. La présente invention se rapporte en outre à un procédé de production de ladite poche.

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