摘要 |
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.
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