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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES0314400ApriorityCriticalpatent/ES314400A1/en
Publication of ES314400A1publicationCriticalpatent/ES314400A1/en
IMPROVEMENTS IN THE MANUFACTURE OF FIBROCEMENT TUBES, characterized in that they essentially consist of providing them with an internal metallic reinforcement, consisting essentially of a helically wound steel wire, whose yield point must be greater than 16,000 Kg/cm2 and whose wire should preferably be embedded in the mass of asbestos-cement constituting the thickness of the tube itself, 2/3 of the inner surface thereof. (Machine-translation by Google Translate, not legally binding)
ES0314400A1965-06-191965-06-19Improvements in the manufacture of fibrocement tubes. (Machine-translation by Google Translate, not legally binding)
ExpiredES314400A1
(en)
Improvements introduced in the obtaining of elements of metallic armours for constructions and buildings (Machine-translation by Google Translate, not legally binding)