Leaktight chamber, method of manufacture and of packaging...

Details Leaktight chamber, method of manufacture and of packaging... Leaktight chamber, method of manufacture and of packaging...

B - Operations, Transporting

65

D

B65D 30/24 (2006.01) B65D 77/28 (2006.01)

Patent

CA 2275699

The invention concerns a bag for packaging liquid formed by a plastic film, comprising a sealed chamber (30) for the liquid and a pocket (15, 33) in which is located a conduit (21) for drawing the liquid, means (4) being arranged for reaching inside the pocket (15, 33). An opening (7) is formed through part of the wall of said pocket (15, 33), adjacent to the chamber (30), for the drawing conduit (21) to penetrate the chamber (30) in sealed manner. The opening (7) is located at the end of a tubular element (7a) with decreasing cross-section, at the point where the section is smallest, made from a plastic film (3, 35) forming a wall of the pocket (15, 33) adjacent to the chamber (30) and is designed for forming a sealing joint around the drawing conduit (21).

Ce sachet pour le conditionnement de liquide formé à l'aide de matière plastique en film, comprend une enceinte étanche (30) pour le liquide et une poche (15, 33) dans laquelle est logé un conduit de prélèvement (21) du liquide, des moyens (4) étant agencés pour accéder à l'intérieur de la poche (15, 33). Une ouverture (7) est formée à travers une partie de la paroi de cette poche (15, 33), adjacente à l'enceinte (30), pour permettre au conduit de prélèvement (21) d'entrer de façon étanche dans l'enceinte (30). L'ouverture (7) se situe à l'extrémité d'un élément tubulaire (7a) de section décroissante, à l'endroit où la section est la plus faible, ménagé à partir d'un film (3, 35) de matière plastique formant une paroi de la poche (15, 33) adjacente à l'enceinte (30) et est destiné à former un joint d'étanchéité autour d'un conduit de prélèvement (21).

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