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Priority to ES0030479UpriorityCriticalpatent/ES30479Y/es
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Publication of ES30479YpublicationCriticalpatent/ES30479Y/es
Un tapón flexible perfeccionado, construido en resina artificial elástica de cualquier naturaleza o material similar, caracterizado por comprender, bajo una cabeza o zona de asentamiento contra el borde del recipiente a obturar, un cuerpo flexible y elástico, dotado o n6 de expansión por el propio material, o en combinación con la presión interna del recipiente, cuyo cuerpo presenta en la superficie externa, medios de obturación, que consisten en, por lo menos, un cordón, filete o similar, de cualquier sección recta, en correspondencia can medios de retención practicados en la zona interna del cuello o brocal a obturar.