| 摘要 |
853,585. Liquefied gas storage vessels. UNION CARBIDE CORPORATION. July 1, 1957 [July 16, 1956], No. 20748/57. Class 8(2). The evacuated insulation space 11, Fig. 1 between double walls 10a, 10b of a liquefied gas storage vessel is occupied by alternative layers 13, Fig. 2 of low conductivity material e.g., fibre glass and layers 14 of radiant heat reflecting material, e.g. aluminium foil. The layers 13, 14 may be wound round the cylindrical body of the vessel or may be arranged concentric therewith ; the domed top being occupied by supplementary layers of insulation. The radiant heat reflecting layers 14 which may also comprise tin, silver, gold and also metal coated plastic vary in thickness between 0À002 and 0À2 millimetres and the low conductivity layers 13 may comprise fibres of diameter between one and 50 microns or powder insulation or a mixture of fibres and powder. Specification 853,584 is referred to. |
