Tapered thread structure

Details Tapered thread structure Tapered thread structure

B - Operations, Transporting

65

D

B65D 41/34 (2006.01) B65B 7/28 (2006.01)

Patent

CA 2646380

In one embodiment there is provided a novel container neck finish (62) having a substantially cylindrical exterior wall surface (68) surrounding an orifice (66) defined in the container and a thread structure (70) positioned about the exterior wall surface. The thread structure has at least a first portion and a second portion. Each portion has a corresponding effective maximum diameter, wherein the effective maximum diameter of the first portion is less than the effective maximum diameter of the second portion.

Dans un mode de réalisation, l'invention concerne une nouvelle bague de contenant (62) présentant une surface de paroi extérieure sensiblement cylindrique (68) entourant un orifice (86) défini dans le contenant et une structure de filetage (70) positionnée autour de la surface de paroi extérieure. La structure de filetage présente au moins une première partie et une seconde partie. Chaque partie présente un diamètre maximal effectif correspondant, le diamètre maximal effectif de la première partie étant inférieur à celui de la seconde partie.

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