| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealer for a floating roof type tank capable of securing a long-lasting stable seal performance as well as an excellent maintainability.SOLUTION: A sealer 1 comprises: a cylindrical body 2 annularly formed of rubber as a main material, attached to a peripheral edge part of a floating roof 10 along the peripheral edge part; and an inner bag 3 annularly formed and disposed along the cylindrical body 2 inside the cylindrical body 2. The sealer 1 is installed in a part between an inner surface of a side peripheral wall 12 of a tank 11 and the peripheral edge part of the floating roof 10 so that the part between the inner surface of the side peripheral wall 12 of the tank 11 and the peripheral edge part of the floating roof 10 can be sealed by the cylindrical body 2 with a pressure of air a, which is filled in the inner bag 3.SELECTED DRAWING: Figure 1 |
