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Priority to ES1973192286UpriorityCriticalpatent/ES192286Y/en
Publication of ES192286UpublicationCriticalpatent/ES192286U/en
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Publication of ES192286YpublicationCriticalpatent/ES192286Y/en
Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes
(AREA)
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage
(AREA)
Abstract
Apparatus for water elevation, essentially characterized by consisting of an external tubular body intended to be driven into the ground to the level of water to be extracted, serving as a guide for a coaxial tube of small diameter that has a frustoconical widening in its lower part, endowed, in the periphery in its greater, lower and open face, of a lining of an elastic material and in its conical trunk surface, a plurality of windows provided with respective laminar and elastic pieces of synthetic material, capable of producing, in certain moments, the hermetic closing of such openings, further comprising a valve of the collapsible type, articulated along a horizontal axis, in the area of connection of the inner tube and its lower expansion. (Machine-translation by Google Translate, not legally binding)
ES1973192286U1973-05-291973-05-29
APPARATUS FOR LIFTING WATER.
ExpiredES192286Y
(en)