| 摘要 |
PROBLEM TO BE SOLVED: To use to drainpipe without any trouble even when the drain connection part of a bathtub and a floor pan is changed in construction. SOLUTION: A bathtub side connection part 10 for inserting a drain part 2c of a bathtub 2 is pressed onto the side of the floor pan by the bathtub 2, and an upper end side seal part 10a is formed from a freely stretchable elastic body to bring it closely into pressed contact to the side of a lower face S of the bathtub while pressurizing it. Besides, at a floor pan side connection part 12 arranged on the side of a hole part 1b on the floor pan 1 or near this connection part, a sucker 14 is provided to be sucked on the side of the floor pan 1 for positioning the floor pan side connection part 12 on the side of the hole part 1b. |
