| 摘要 |
<p>The invention relates to a plastics bottle having a threaded neck portion (14), a closure member (22) for engagement with the neck portion and a sealing plug (54). The sealing plug has an inner annular mating surface (64) designed to engage an annular frusto-conical mating surface (20) of the neck portion. The closure member is provided with annular rib (28) for engaging the plug so as to cause the inner mating surface of the plug to engage the mating section of neck portion of the bottle. The bottle minimises or avoids leakage of vapour and/or liquid, especially under extreme conditions.</p> |
