AIR EXPANSION TYPE LIQUID TANK

摘要

PROBLEM TO BE SOLVED: To easily carry out the installation work for an inner sheet fixing tool, the repair work in the case of damaging and the like in a liquid tank with an air expansion type peripheral wall and an inner sheet or the like. SOLUTION: Fitting and removing members 6 are set on both ends of a flat air sheet material to be expanded and contracted freely by the air feeding and exhausting in this liquid tank, and the air sheet material is rolled and joined with the fitting and removing members 6 to form the cylindrical shape and air is filled and expanded to form the peripheral wall 2s. An inner sheet 3 for storing the liquid is provided inside the peripheral wall and an engaging belt 8 for the inner sheet 3 and a fixing tool 7 for the peripheral wall 2s are fixed on the peripheral wall.