| 摘要 |
A sealing device contains a metal casing, in which a plastic pouring out element, a detachable lock with a single-way valve and a threaded cover on internal surface are mounted, the cover interacts with the thread on the external surface of the pouring out element, the casing has annular section with weakened section and is rigidly connected with the cover and pouring out element above and below from the annular section with weakened section, the edge of cover has outside diameter larger than the inside diameter of casing, and it is located between the annular section with weakened section and junction of pouring out element with the casing. A plastic cylindrical housing is introduced, executed in the form of unique component with pouring out element, the internal surface of housing is equipped, at least, with one annular lug and longitudinal lugs for fastening on the bottle neck. |
