| 摘要 |
A container assembly has a container with a body and an elongated neck of generally circular cross section and having threads adjacent its upper end. The neck also has a ring adjacent its lower end with a downwardly and outwardly flaring surface. Engaged on the neck is a cap with an elongated tubular body portion extending downwardly about the neck. The inner wall of the body portion adjacent its upper end has threads which are engaged with the threads of the neck, and the inner wall of the lower end of the body portion tapers downwardly to a greater diameter and resiliently bears against the outer edge of the ring.
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