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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0015147UpriorityCriticalpatent/ES15147Y/es
Publication of ES15147UpublicationCriticalpatent/ES15147U/es
Application grantedgrantedCritical
Publication of ES15147YpublicationCriticalpatent/ES15147Y/es
Un nuevo tubo de aletas, que se caracteriza por estar constituido por un tobo que exteriormente presenta una regata helicoidal, estando introducida a presión por su borde mayor grueso una aleta continua en hélice laminada en tal forma, o sea que la misma esté constituida por un fleje o lámina continua que ha sufrido un estiraje periférico que ha aumentado su longitud exterior respecto a la interior y al propio tiempo ha disminuido su grueso respecto a la zona interior.
ES0015147U1947-05-161947-05-16Tubo de aletas.
ExpiredES15147Y
(es)
Un procedimiento, con el equipo correspondiente, para producir tubos rectos y curvos, de cualquier forma y dimensión, en hormigón armado u otro material pastoso