| 摘要 |
PROBLEM TO BE SOLVED: To provide a flush toilet bowl for reducing noise when water flows out to the toilet bowl. SOLUTION: When opening a valve 21, the water flows in a pipe 22 from a pipe 20, and flows in a bubble cracking part 25 from a first water passage 24 while mixing with air gathered in the pipe 22. Bubbles entering the bubble cracking part 25 from this first water passage 24 are finely cracked by striking on a bubble cracking part inner surface 25a opposed to an end of the first water passage 24, and flow out to a water traveling passage 12 via a water discharge port 27 from a second water passage 26. Such fined bubbles do not burst when flowing out to the water traveling passage 12 from the water discharge port 27, and generation of the noise caused by a burst sound is prevented. COPYRIGHT: (C)2007,JPO&INPIT
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