Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Armco SA
Original Assignee
Armco SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Armco SAfiledCriticalArmco SA
Priority to ES1973193673UpriorityCriticalpatent/ES193673Y/es
Publication of ES193673UpublicationCriticalpatent/ES193673U/es
Application grantedgrantedCritical
Publication of ES193673YpublicationCriticalpatent/ES193673Y/es
Una disposición de tubo metálico, caracterizado porque está constituida por banda metálica arrollada helicoidalmente cuyos bordes están engatillados en forma de doble U, teniendo el tubo ondulaciones helicoidales cuyo ángulo de la hélice corresponde al ángulo de arrollamiento helicoidal de la chapa.
ES1973193673U1973-07-271973-07-27Una disposicion de tubo metalico.
ExpiredES193673Y
(es)