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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Individual
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Individual
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Priority to ES401564ApriorityCriticalpatent/ES401564A1/en
Publication of ES401564A1publicationCriticalpatent/ES401564A1/en
Forms Removed On Construction Sites Or Auxiliary Members Thereof
(AREA)
Abstract
Drainage system for retaining and closing walls, characterized in that it comprises blocks of solid and porous nature that are placed in rows from bottom to top in descending order of degree of permeability, forming a drainage wall that acts at the same time as external formwork attached to the cut of the excavation of the land with groundwater layer, of the concrete wall, which is included between the drainage and a removable internal formwork. (Machine-translation by Google Translate, not legally binding)
ES401564A1972-04-071972-04-07Drainage system for containment and closure walls. (Machine-translation by Google Translate, not legally binding)
ExpiredES401564A1
(en)
Pilot foundation system made to allow the execution of excavations under structures in general. (Machine-translation by Google Translate, not legally binding)