| 摘要 |
It consists in the location of a piece preferably made from a breakable rigid plastic which is fitted onto projections which exist in the neck of the bottle, being equipped with a central hole and with annular skirts located at the top and the bottom which coincide with the opening of the container, and via an upper part with an annular skirt which exists in the central zone of the lower part of the piece which abuts by embedding on lateral studs emerging in helical channels, the assembly being closed through the action of an emerging pivot which is vertically closed in its upper part. <IMAGE>
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