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1. (WO2017187233) ENLARGEABLE FLEXIBLE HOSE

Pub. No.:    WO/2017/187233    International Application No.:    PCT/IB2016/052435
Publication Date: Fri Nov 03 00:59:59 CET 2017 International Filing Date: Sat Apr 30 01:59:59 CEST 2016
IPC: F16L 11/12
Applicants: FITT S.P.A.
Inventors: MEZZALIRA, Alessandro
VIGOLO, Valentino
BATTAGLIA, Luca
PETRONILLI, Andrea
BUCCI, Marco
CEGALIN, Alessandro
Title: ENLARGEABLE FLEXIBLE HOSE
Abstract:
A flexible hose for transporting fluid, particularly a flexible garden hose for transporting water. The hose comprises: at least one inner layer (10) made of a first elastic polymeric material; at least one outer layer (20) made of a second elastic polymeric material; at least one textile reinforcement layer (30) interposed between said at least one inner layer (10) and at least one outer layer (20). The at least one inner layer (10) and the at least one outer layer (20) are reciprocally coupled to form a unitary tubular member (50) internally to which the at least one textile reinforcement layer (30) is embedded. The unitary tubular member (50) has an elasticity such to automatically enlarge upon the working pressure given by the liquid flowing therethrough to increase its original diameter and such to automatically recovery once the working pressure stops for assuming again the original diameter. The at least one textile reinforcement layer (30) is susceptible to move from a rest configuration that has when the working pressure stops to a working configuration that has when said unitary tubular member (50) enlarges upon the working pressure and vice-versa.