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.)
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FIENE HERMANN
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FIENE HERMANN
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Publication date
Application filed by FIENE HERMANNfiledCriticalFIENE HERMANN
Priority to ES0218481ApriorityCriticalpatent/ES218481A2/en
Publication of ES218481A2publicationCriticalpatent/ES218481A2/en
Removable prefabricated ladder system, characterized in that the tensioned concrete part that constitutes each of the steps, has a V-shaped cross section and presents, internally, at its edges, longitudinal grooves, intended to receive the ends of the steel footboard, which, by means of a screw and nut, holds the step to the stringer, with the stirrup carrying a slot for the screw that allows adjusting the position of the step. (Machine-translation by Google Translate, not legally binding)
ES0218481A1954-11-171954-11-17Prefabricated removable ladder system (Machine-translation by Google Translate, not legally binding)
ExpiredES218481A2
(en)
A provision of advancement structure for the construction of large sections of the superstructures of a bridge. (Machine-translation by Google Translate, not legally binding)
System for the prefabrication of mixed beams through the rigging of ceramic pieces with reinforced concrete (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of pretension tendons for the pretension of concrete (Machine-translation by Google Translate, not legally binding)