| 摘要 |
PROBLEM TO BE SOLVED: To provide a life-saving raft which can be installed in a household or a school and is provided with a function which is safe against a tsunami.SOLUTION: A life-saving raft which can carry a few people, some tens of people or some hundreds of people is provided with a float 2 which is fixed to a part above a barge 1 by a steel frame 3 and has such a volumetric capacity that if the raft tips to a vertical position in the sea, it can sufficiently prevent further tipping and overturning and can restore an original position. An outer periphery of a deck 4 is entirely surrounded by a metal fence 5, a net, or a tent, and the deck 4 is provided with the fence 5. A bottom of the barge 1 is filled with concrete, and a space above it is filled with a foamed plastic. |
