| 摘要 |
<p>PURPOSE: To provide a sheath unit capable of extremely simplifying execution of sheath unit in a residence constructing site. CONSTITUTION: A sheath unit 7 is provided with a flexible sheath 1 and a flexiblepiping 4 inserted to the inside of the sheath 1. In addition, the sheath unit 7 is provided with a water plug connection box 3 mounted on the one end of the sheath 1, a coupling member 5 mounted on the end of the piping 4 and a header 6 mounted on the other end of the piping 4.</p> |
