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Priority to ES0020471UpriorityCriticalpatent/ES20471Y/en
Publication of ES20471UpublicationCriticalpatent/ES20471U/en
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Publication of ES20471YpublicationCriticalpatent/ES20471Y/en
A stopcock for liquids, essentially characterized by being formed by the body of the key itself, in which the inlet and outlet ducts of the liquid communicate internally with a cylindrical chamber within which it moves, as a plunger , a sealing element, which is formed by a threaded shank with a head, the shank of which is threaded into the tubular body that ends in a handle or actuating button, between said tubular body and its own head locking a cork sleeve or similar material, of diameter substantially equal to that of the cylindrical chamber, whose sleeve can be adjusted in diameter by an axial compression produced by the threading of the support rod thereof, obtaining the sealing of the key in the position in which said sleeve is disposed opposite the conductors of step, and opening when moving to the opposite extreme. (Machine-translation by Google Translate, not legally binding)
ES0020471U1949-07-021949-07-02
Stopcock for liquids.
ExpiredES20471Y
(en)