| 摘要 |
PROBLEM TO BE SOLVED: To reduce a dead space in a storage part, and to prevent water from remaining in a connection part.SOLUTION: In a connection structure of a tank and a water trap which comprises a tank 1 being a box having an opening 11 for drainage, a water trap 3 discharging drain water in the tank 1 to the sewage side, a connecting cylinder 2 formed from the opening 11 of the tank 1 to the back surface of the tank 1 and connecting the tank 1 and the water trap 3 to each other, and a connection part S connecting the water trap 3 and the tank 1, the connection surface of the connection part S is connected at an angle inclined or orthogonal to the horizontal plane. |
