| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flexible pool with a side wall portion having sufficient rigidity for use, which is not deformed by water pressure from the inside or infant play in the water as a matter of course, allowing air to be easily put in or released from an air chamber in a short time. <P>SOLUTION: A flexible pool 10 includes an integrated annular side wall portion 12 having an air chamber 13 formed of a flexible material along the circumference of a base plate sheet 11. The flexible materials composing the inner and outer sides of the annular side wall portion 12 are welded to each other at a plurality of closed annular welding zones 15, so that the air chamber 13 has a single continuous space. <P>COPYRIGHT: (C)2012,JPO&INPIT |
