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TUNEL SA
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TUNEL SA
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Application filed by TUNEL SAfiledCriticalTUNEL SA
Priority to ES1986291738UpriorityCriticalpatent/ES291738U/es
Publication of ES291738UpublicationCriticalpatent/ES291738U/es
Tapón corona mejorado que se caracteriza esencialmente por estar constituido por el cuerpo de un tapón corona convencional de pared lateral ondulada sobre cada uno de cuyos valles está conformada una concavidad transversal de profundidad progresiva a lo largo de varios valles consecutivos, de modo que entre todos ellos definen sobre la cara interior de la pared lateral del tapón, un fileteado helicoidal completo, apropiado para su roscado a un correspondiente fileteado, igualmente helicoidal, dispuesto en la embocadura de una botella.