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Individual
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Individual
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Priority to ES0027670UpriorityCriticalpatent/ES27670Y/en
Publication of ES27670UpublicationCriticalpatent/ES27670U/en
Application grantedgrantedCritical
Publication of ES27670YpublicationCriticalpatent/ES27670Y/en
"A VALVE PLUG", which is characterized by a piece formed by two cylinders of different radius superimposed and with a common base perforated in its center, the lower part being designed to fit externally to the neck of the container to be closed, carrying the upper part is a recess where a rubber core is housed, on which a pin is located, to which pin is attached a shank that passes through the lower core of the rubber, ending in a disc on which a washer of a flexible material is placed. and that by the elastic action of the rubber core tends to press on the lower surface of the dividing base of the two cylinders; having the dividing base practiced a conduction that leaves to the outside starting from the interior. (Machine-translation by Google Translate, not legally binding)