| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for expanding a flotation bag, capable of shortening a period required from splashdown of a capsule to a flotation bag generating buoyance.SOLUTION: An extraction device 1b pulls a flotation bag 3 out of a capsule 1 before splashdown of the capsule 1. An expansion device 3a expands the flotation bag 3 simultaneously with or prior to the splashdown of the capsule 1. |
