| 摘要 |
<p>PURPOSE:To easy carry out installation and not to damage fine appearance of an installed part. CONSTITUTION:On an air conditioning piping 3 inserted into a through-hole 2 provided on a structural body 1, a through-sleeve 5 free to fit from outside in the through-hole 2 in the state where a clearance D is furnished and forming a male screw part 5a on its outer peripheral surface is provided, an end part of the through-sleeve 5 in the state to fit outside is screwed in the air conditioning piping 3, a cover member 6 to block an opening of the end part of the through-sleeve 5 is provided and a female screw part 7a free to screw with the male screw part 5a of the through-sleeve 5 is furnished on an inner peripheral surface. Additionally, a collar type sleeve positioning member S furnished with a pair of sandwiching parts 7b free to sandwich the structural body 1 around the opening of the through-hole 2 is provided, and between the sleeve positioning member S and the structural body 1, a filling space J capable of filling a filler 4 for blocking is provided, and a filling hole 8a capable of filling the filler 4 in the filling space J is provided on the sleeve positioning member S.</p> |
