REINFORCED FLEXIBLE HOSE WITH HIGH PRESSURE STRENGHT AND METHOD FOR ITS MANUFACTURING

摘要

A flexible hose comprising, as viewed from the inside, at least one first inner layer (2) made of a first thermoplastic polymer material, at least one reinforcement layer (3) composed of a plurality of yarns (5, 5', 5", 5'",...) knitted together to form a plurality of stitches (6, 6', 6", 6'",...) of tricot type, and at least one second layer (4) made of a second thermoplastic polymer material. At least one first yarn (5) of said yarns (5, 5', 5'",...) that form said at least one reinforcement layer (3) is a high tenacity fiber and at least one second yarn (5", 10) is a polyester fiber yarn or the like interwoven with the first yarn (5). A method of making such hose.