The device blocking tubes and blocking system of tubes

摘要

Invention patent for b "device blocking tubes and blocking system of tubes" d .The present invention relates to a device blocking tubes (10) for use in departments of water and sewers for interruption,When the need to make if repairs in networks or in wells of the visit, the flow of sewer networks.Comprising a tubular body (34) having at its ends a first metal body concentric circular posterior (36), and a second metal body concentric circular anterior (38).A steel tube concentrically inner smaller diameter (40) attached to its ends to the central portions of these bodies concentric circular metallic posterior and anterior (36, 38).And the means of attachment (42) of the tubular body (34), the anterior end of the tubular body (34) in the metal body concentric circular anterior (38), being provided with a means of articulation