B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 35/12 (2006.01) B29C 45/16 (2006.01) B29D 23/20 (2006.01) B29C 31/04 (2006.01)
Patent
CA 2347166
The invention concerns a plastic tube head (2), designed to be assembled with a skirt (3) to form a tube (1), comprising a neck (20), and a shoulder (21), characterised in that: a) said head (2) includes a multilayer material comprising an inner layer (24), and an outer layer (23) made of structural material A, characteristically a polyolefin, and an inner layer (25) made of a thermoplastic barrier material; b) said inner layer (25) is coated by said inner (24) and outer (23) layers, up to and including the ends (250, 251) of said head where said inner and outer layers are assembled into one material A layer, the distance "e" and "e'" between each of the ends of said inner layer and the corresponding end of said head ranging between 0.02 and 5 mm.
La tête (2) de tube en matière plastique, destinée à être assemblée à une jupe (3) pour former un tube (1), comprenant un goulot (20), et un épaulement (21), est caractérisée en ce que, a) ladite tête (2) comprend un matériau multicouche comprenant une couche intérieure (24) et d'une couche extérieure (23) en matériau A de structure, typiquement une polyoléfine, et une couche interne (25) en un matériau barrière B thermoplastique, b) ladite couche interne (25) est enrobée par lesdites couches intérieure (24) et extérieure (23), y compris aux extrémités (250, 251) de ladite tête où lesdites couches intérieure et extérieure sont réunies en une couche de matériau A, la distance "e" et "e'" entre chacune des extrémités de ladite couche interne et l'extrémité correspondante de ladite tête étant comprise entre 0,02 mm et 5 mm.
Bosshardt Michel
Lapalus Roger
Meausoone Jean-Paul
Bosshardt Michel
Cebal Sa
Lapalus Roger
Meausoone Jean-Paul
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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