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Priority to ES98756UpriorityCriticalpatent/ES98756Y/en
Publication of ES98756UpublicationCriticalpatent/ES98756U/en
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Publication of ES98756YpublicationCriticalpatent/ES98756Y/en
A hermetic stopper for bottles elastically deformable, characterized in that it is constituted of a central part in the form of a sleeve that presses against the internal surface of the neck of the bottle by means of a curved area that has and is provided inside of a middle membrane enclosing said interior and of ribs that provide areas of reinforcement to its body of ductile material allowing it to exert the mentioned pressure or fear of permanent deformations of the material; this central part being integrally joined by a thin membrane with the annular head portion determining between them an annular seat, in which a disc is tightly coupled under pressure, and with which it is also joined through thin annular membranes arranged radially and spaced apart from each other which have the purpose of preventing the deformation of such an annular head portion when it is press-fitted by its lower skirt end at the upper edge of the neck of the bottle. (Machine-translation by Google Translate, not legally binding)
ES98756U1963-03-281963-03-28
Elastically deformable bottle cap
ExpiredES98756Y
(en)