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Individual
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Individual
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Priority to ES93891UpriorityCriticalpatent/ES93891U/en
Publication of ES93891UpublicationCriticalpatent/ES93891U/en
A new pressure plug, formed in a single piece of preferably moldable material, characterized by having a long cylindrical rod, hollow and open at the free end, whose outer surface has ring projections and whose free end gradually decreases in outer diameter, forming in the opposite end of the head, which is constituted by a fringed truncated cone or vertically grooved, with its greater base, non-existent, closer to the free end of the shank, the lower base being the bond of unión with the shank, the upper part of which it protrudes with the lower base forming an annular step, there being a plurality of radial ribs at the bottom of a housing which for the neck of the bottle is formed between the external surface of the stem and the internal one of the frustoconical skirt. (Machine-translation by Google Translate, not legally binding)
ES93891U1962-06-261962-06-26New pressure plug (Machine-translation by Google Translate, not legally binding)
PendingES93891U
(en)