ES170195U - A flexible pipe of rubber to large diameter to convoy liquids. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

A rubber flexible hose with a large diameter for conveying liquids, having an inserted reinforcement structure that extends uninterruptedly from an extremity a. The other and comprises one or more resistant layers of reinforcing gummed or parallel strips of gummed reinforcing cords of metal or artificial or synthetic fiber or of a gummed fabric of natural or artificial or synthetic fiber, a spiral of relatively thick wire, between its turns is inserted a rubber filling, and a layer of external rubber, on both ends being respectively mounted metal joints, each, by a pin and a flange attached to that characterized by the fact that in correspondence of at least one of its extremities the reinforcement structure inserted further comprises at least one additional layer of limited length constituted at least in part by a helical winding, in the manner of a clamp, of at least one gummed metal rope or parallel cords glued metal, whose loops are in close contact between 4 to form an angle with the axis of the tube between 80º and 90º, said additional layer enclosing the wire spiral, as well as the helical rubber filling comprised between the turns of wire against said resistant layers in correspondence of both the handle and a small piece extending beyond the free extremity of the handle itself (Machine-translation by Google Translate, not legally binding)