| 摘要 |
PURPOSE: An inlet pipe for introducing drained water which has a height control ability is provided by connecting the pipe to a position for entering waste water from a drainage bath and controlling its height to simplify installation of the drainage bath. CONSTITUTION: The inlet pipe(1) is connected with an outer wall plate(2) and an inner wall plate(3), and comprises a spiral part(12) on inner side pipe(11) having larger/smaller annular trims(10,10a). The outer wall plate(2) has a supporting part(20) with inner grooves(21) and packing(22), a hollow(23) at its center portion. The inner wall plate(3) has an inner side pipe(30) with another spiral part(31) and an opening/closing cap(33) at a front inclined portion(32). The cap(33) has a supporting shaft(34) engaged into a supporting groove(35).
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