Rehabilitation sleeves made of composite materials, for use in renovating water and gas pipes, non-metallic flexible pipes; flexible sleeves consisting of several adjacent layers made of plastic, cloth and/or felt impregnated with hardening resins, used for renovating water and gas pipes; flexible composite articles consisting of several adjacent layers of plastic, designed for making rehabilitation sleeves for the renovation of water and gas pipes

Fabrics and flexible composite articles consisting of several adjacent layers of cloth and/or felt impregnated with hardening resins that can be used to make rehabilitation sleeves designed for the renovation of water and gas pipes