| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ventilation pipe unit that prevents a clearance from occurring between the ventilation pipe unit and a wall without any treatment such as taping at a work site, and allows water in a pipe to flow out to the outside effectively. <P>SOLUTION: The ventilation pipe unit 14 includes: a ventilation pipe 8 provided with a pipe 3 consisting of a tube 1 and a flange 2 tilted with respect to the axial direction of the tube 1, and a flange 6 having a penetration hole 4 in the center and a recess 5 formed on the circumference of the penetration hole 4 to correspond to the flange 2; a sleeve 10 whose outer diameter is bigger than the inner diameter of the pipe 3, and which includes an elastic material and has a hole 9 in the center; and a bush 12 integrated with a circular ring 11 titled with respect to the sleeve 10 in the same manner as the flange 2. The ventilation pipe 8 is characterized in that, when the flange 6 is put on the pipe 3 to be mounted to an outside board 7 provided inside an outside wall 15, the flange 2 is brought into close contact with the recess 5 and the outside board 7, and the bush 12 is inserted in the ventilation pipe 8 from an inside board 13 which is a wall surface of a room 18. <P>COPYRIGHT: (C)2012,JPO&INPIT |
