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Individual
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Individual
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Priority to ES0013090UpriorityCriticalpatent/ES13090U/en
Publication of ES13090UpublicationCriticalpatent/ES13090U/en
A stopper for automatic liquid outlet, characterized by being made of elastic, flexible and resistant material, hollow inside and presenting its base or mouth in an appropriate way for coupling to the neck of the bottle, and being the rest of the cap of shape sensibly conical or frustoconical, except in one or two strips or lateral zones and in the direction of the generatrix, whose strips are of elongated shape, presenting one in its central part a curved cut, whose inner or concave part acts as a reed that , when receiving an external pressure, it can be bent or flexed inward, opening said cut, and remaining in the sealing position when said pressure ceases. (Machine-translation by Google Translate, not legally binding)
ES0013090U1946-05-151946-05-15Stopper for automatic outlet of liquids (Machine-translation by Google Translate, not legally binding)
PendingES13090U
(en)