| 摘要 |
PROBLEM TO BE SOLVED: To easily disassemble a cask. SOLUTION: Each inner fin 1 is formed by bending its edges, and a plurality of mounting holes 3 are bored in the lengthwise direction in the vicinity of an inwardly bent part 2. Steel wires 4 are inserted into the mounting holes 3, and both ends thereof are connected by fittings 5. Tension of each steel wire 4 is suitably adjusted by the fitting 5. In disassembling the cask, the inner fins 1 can be removed only by cutting the steel wires 4. COPYRIGHT: (C)2003,JPO
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