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Priority to ES122025UpriorityCriticalpatent/ES122025Y/en
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Publication of ES122025YpublicationCriticalpatent/ES122025Y/en
Extendable beam essentially characterized in that it comprises the arrangement of two S-shaped profiles of straight and angular sections joined asymmetrically to compensate the loads by means of a welded central stop, the lower bands of each beam sector having longitudinal and symmetrical grooves coinciding in superposition and destined to receive for years block determining devices or consequent release by presenting the longitudinal lower zone of each band with tubular reinforcements. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of elements of steel construction, especially of armor elements for construction of steel concrete. (Machine-translation by Google Translate, not legally binding)