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    • 1. 发明公开
    • TRIPLE-SHELL TANK
    • EP4443042A1
    • 2024-10-09
    • EP22915830.8
    • 2022-12-20
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • KOMATSU, Takanori
    • F17C3/00B65D88/06E04H7/06
    • B65D88/06F17C3/00E04H7/06
    • A triple shell tank includes an inner tank, an intermediate tank covering the inner tank, and an outer tank covering the intermediate tank. The inner tank includes an inner tank side plate assembled by stacking a plurality of circular steps formed by arranging a plurality of inner tank side plate pieces in a circular ring shape, an inner tank roof, and an inner tank bottom plate. The intermediate tank includes an intermediate tank side plate assembled by stacking a plurality of circular steps formed by arranging a plurality of intermediate tank side plate pieces in a circular ring shape, an intermediate tank roof, and an intermediate tank bottom plate. The circular steps of the intermediate tank side plate include a lowermost step formed of an intermediate tank side plate piece for height adjustment having a height corresponding to a height difference between the inner tank bottom plate and the intermediate tank bottom plate, and a second step on the lowermost step formed of an intermediate tank side plate piece arranged at a same height position as an inner tank side plate piece of a lowermost step in the circular steps of the inner tank side plate.