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Priority to ES9801863UpriorityCriticalpatent/ES1040894Y/en
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Publication of ES1040894YpublicationCriticalpatent/ES1040894Y/en
Perfected plug for wine barrels; characterized because this is constituted by a piece that makes screw and another piece that makes nut, linked between if plastic formed, among which is riding a cylindrical silicone ring, the nut presents an extreme widthing that facilitates its manual turn that makes that the screw is displaced in the sense of pressing the ring, whose generator is deferred while being straight to be curved-convexa, pressing on the orifice of the barrel duel and performing a hermetic closure. (Machine-translation by Google Translate, not legally binding)