| 摘要 |
PROBLEM TO BE SOLVED: To provide a sanitary penetration sleeve capable of corresponding to indefinite thickness of a wall to reduce extra labor before construction work and discharging dew condensation. SOLUTION: This penetration sleeve is provided with an inner cylindrical sleeve body 5 constituted by inserting into a pipe port 4 of the wall 3 from the outdoor side and having cut support channels 12, 13 on an upper face side of substantially semicircumference and a plurality of steps of engaged parts 14 at positions on left and right outer peripheral sides and an outer cylindrical sleeve body 6 constituted by inserting into the pipe port 4 from an indoor side and storing the inner cylindrical sleeve 5 in the pipe port 4 and having a flange part 22 on a rear end side and a pair of engaging parts 29, 29 for connection engaged with one set of left and right engaged parts 14, 14 among the plurality of steps of the engaged parts 14 on left and right inner peripheral sides. The pipe port 4, the inner cylindrical sleeve body 5, and the outer cylindrical sleeve body 6 are downward inclined toward the outdoor direction. A part protruding onto an indoor side of the inner cylindrical sleeve body 5 cuts the cut support channels 12, 13 and leaves a dew condensation receive part 5b like an upper face on substantially semicircumference. After this, a wall 2 is constructed on the indoor side. COPYRIGHT: (C)2004,JPO&NCIPI
|
