| 摘要 |
A WRAPPABLE, STYRENIC THERMAL INSULATION PRODUCT FOR APPLICATION TO FLEXIBLE, ARMOURED PIPE (50) IS IN THE FORM OF AN ELONGATE TAPE (68, 83, 95, 150, 160, 170, 180, 190, 200) OF GENERALLY RECTANGULAR CROSS-SECTION, OPTIONALLY BEING PROVIDED WITH INTERLOCKING AND/OR OVERLAPPING PORTIONS (110, 112, 114, 116 ) SO AS TO PROVIDE A CONTINUOUS INSULATING LAYER (66) WHEN ONE OR MORE LAYERS OF THE TAPE (68, 83, 95, 150, 160, 170, 180, 190, 200) ARE WOUND AROUND THE PIPE (50). THE INTERLOCKING AND/OR OVERLAPPING PORTIONS (110, 112, 114, 116) MAY BE OF VARIOUS CONFIGURATIONS. THE TAPE (68, 83, 95, 150, 160, 170, 180, 190, 200) IS COMPRISED OF POLYSTYRENE OR A STYRENE-BASED THERMOPLASTIC HAVING HIGH COMPRESSIVE CREEP RESISTANCE, HIGH COMPRESSIVE STRENGTH AND LOW THERMAL CONDUCTIVITY AND MAY BE FOAMED OR UNFOAMED. A FLEXIBLE, ARMOURED PIPE (50) INCORPORATES ONE OR MORE LAYERS (66) OF THE WRAPPABLE, STYRENIC THERMAL INSULATION PRODUCT BETWEEN AN OUTER ARMOUR LAYER (60, 62) AND AN OUTER POLYMERIC SHEATH (64). |
