| 摘要 |
<p>A container neck (14) and a container closure comprises a first thread (15) on one of the neck and the closure, a complementary second thread on the other of the neck and the closure such that the closure is movable from fully disengaged from the neck to fully closed by turning the closure relative to the neck by less than 360°, at least one stop formation (17, 18) carried by said one of the neck (14) and the closure, and stop means on said other of the neck and the closure engageable with the stop formation or at least one of the stop formations to hold the closure in a closed position on the neck. The arrangement of the or each stop formation (17, 18), the stop means and the threads is such that the stop means is rotated past the stop formation or at least one of the stop formations (17, 18) without engagement therewith when the closure is screwed on to the neck, engagement of the stop means with the stop formation or at least one of the stop formations commencing only when the closed position is neared.</p> |
