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Priority to ES0189386UpriorityCriticalpatent/ES189386U/en
Publication of ES189386UpublicationCriticalpatent/ES189386U/en
Closing for containers with a lid, especially those made of thin-film materials, characterized in that, while the container has its upper edge topped with an inside toric bead, the lid has its inner edge topped with an outer toric bead, the two of reduced diameter, the presence of which is insufficient in itself to achieve a tight coupling, and therefore it is combined with the peripheral shapes of said free edges constituted by two opposed resistant zones that elastically maintain the rigidity of the larger areas comprised between them. (Machine-translation by Google Translate, not legally binding)
ES0189386U1973-03-061973-03-06Closing for containers with lid (Machine-translation by Google Translate, not legally binding)
PendingES189386U
(en)
Some improvements in the manufacture of plastic containers for the containment of liquids. (Machine-translation by Google Translate, not legally binding)