| 摘要 |
PROBLEM TO BE SOLVED: To provide an inflatable device for moving heavy articles which moves heavy articles with the pressure of an air-filled hollow body by being inserted into a gap between collapse articles which are collapsed in earthquake or the like or a gap between an underground piping and a wall of an underground pit.SOLUTION: The inflatable device for moving heavy articles which inserts an air inflatable flat hollow body into the gap between the collapse articles which are collapsed in earthquake or the like or the gap between an underground piping and the wall of an underground pit, and moves the movable object by pressure generated when being filled with air and inflating it is composed of the hollow body having enhanced compression strength of each ridge of the hollow body, wherein the multilayer hollow body is formed by bonding flexible and airtight films. |
