| 摘要 |
PROBLEM TO BE SOLVED: To adequately install a water closet even though the position of its drain pipe is deviated. SOLUTION: A floor drain socket 4 is fixed to the floor surface and inserted to a drain pipe embedded and a drain outlet 3c of the water closet can be inserted and connected to a packing 5 at the upper surface side; and the floor drain socket 4 comprises a lower fixing portion 41 fixed to the floor surface F and an upper tilting portion 42 having the packing 5 coupled in a tiltable manner relative to the lower fixing portion 41.
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