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Priority to ES1978237219UpriorityCriticalpatent/ES237219Y/en
Publication of ES237219UpublicationCriticalpatent/ES237219U/en
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Publication of ES237219YpublicationCriticalpatent/ES237219Y/en
New stopper, which is essentially characterized by two hemispherical parts, of which the lower one constitutes the stopper itself, for which purpose it has a lower cylindrical body, inscribed in the hemisphere whose open bottom base allows access to the neck of the bottle at which is screwed, by virtue of the thread pitch disposed inside said cylindrical body, whose closed flat upper base coincides with the middle plane of the hemispherical cap, the walls of said cylindrical part being joined to those of the hemisphere by means of various ribs homogeneously distributed in its perimeter, arranging the edge of the lower hemispherical cap, of a series of trapezoidal nerves arranged at short intervals, fit to fit in them under pressure, by virtue of another system of nerves, also trapezoidal, arranged in the lower perimeter of the upper hemispherical cap, the other half of the cap constituted by said casq upper semi-spherical device. (Machine-translation by Google Translate, not legally binding)
ES1978237219U1978-07-121978-07-12
NEW CAP.
ExpiredES237219Y
(en)