| 摘要 |
PROBLEM TO BE SOLVED: To provide a down pipe joint which efficiently treats the drain from an air conditioner together with rainwater, makes neat the appearance of a building, and, even after a down pipe is already installed, is easily installable on a cut and removed portion of the down pipe. SOLUTION: This down pipe joint comprises: a lower side connection pipe part 1 inserted and fitted into the upper end opening of the lower down pipe A1 and an upper side connecting; and receiving pipe part 2 which is arranged continuously with the upper end of the lower side connection pipe part 1 and into which the lower end opening of the upper down pipe A2 is inserted and fitted. An inflow port 4 is opened in the peripheral wall 3 of the upper side connecting and receiving pipe part 2 near the lower end. A hose connection part 5 which is cylindrically formed, opened to the upper side, and into which a drain hole B is inserted and connected, is formed from the inflow port 4 along the outer side of the peripheral wall 3 of the upper side connecting and receiving pipe part 2. The upper side connecting and receiving pipe part 2 is extended longer above the hose connection part 5. COPYRIGHT: (C)2008,JPO&INPIT
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