IMPROVEMENTS RELATING TO HOSE

摘要

A BELLOWS HOSE (210) COMPRISES AN INNER TUBULAR BELLOWS (212) AND AN OUTER TUBULAR BELLOWS (214). AN INSULATION LAYER (216) IS PROVIDED BETWEEN THE BELLOWS (212, 214). AN ARMOURED LAYER (218) IS PROVIDED AROUND THE OUTER BELLOWS (214), TO IMPROVE THE INSULATION FURTHER. THE HOSE CAN HAVE LENGTH ABOVE 30M AND A DIAMETER ABOVE 400MM. A METHOD OF, AND APPARATUS FOR, MAKING THE HOSE ARE ALSO DESCRIBED, WHICH INVOLVES THE USE OF A NON-METALLIC MANDREL.