| 摘要 |
A container with a large open end and a smaller neck, with external threading and extended collars on large open end to mate with internal threads of a large socket on concave base end cap, and secure closure band correspondingly, and threading and extended collar on smaller closed end to mate with internal threads of smaller socket in the concave base end cap and stabilize container in cap correspondingly. The concave end cap providing resistance to gaseous contents provides a stable end surface, thus, allowing the container to be configured into a stemmed recipient without losing balance.
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