| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping port structure of a pool for further improving safety, by preventing a person and an object from being sucked in or drawn near to a piping port of the pool such as a swimming pool and a natatorial flowing water pool, and by mitigating the strong suction power. SOLUTION: A safety float cover body 9 of a grating structure is detachably installed in front of the piping port 14 such as a delivery port, a suction port, a circulating water port and a drain port of the pool such as the swimming pool and the natatorial flowing water pool, in a state of floating at an interval L, so as to secure the predetermined area for water communication around the side surface. COPYRIGHT: (C)2008,JPO&INPIT
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