| 摘要 |
PROBLEM TO BE SOLVED: To clean simply dirt on the top face of a bathtub installation portion and keep that clean by providing a sprinkling means to clean the top face of the bathtub installation portion beneath the bathtub on a floor pan having the bathtub installation portion. SOLUTION: A bathtub installation portion 2 is provided on an antimicrobially treated floor pan 1 to be installed in a bathroom, and a bathtub 3 is installed thereon. As the bathtub 3 is supported by legs 4, water enters into a gap 5 between the bathtub 3 and the bathtub installation portion 2 and causes dirt. To clean the dirt, a sprinkling pipe 6 is provided. The sprinkling pipe 6 has many spray nozzles and the sprinkling pipe 6 is provided between the rising portion of the bathtub installation portion 2 and the bathtub 3. The spray nozzles are provided in a manner that allows them to be directed diagonally downward to sprinkle water to the bathtub installation portion 2. Clean water reaches the sprinkling pipe 6 through a connecting pipe 11 through a clean water pipeline 9 and a switching valve 10 connected to a water faucet 8 of a bathroom. |
