| 摘要 |
The present invention concerns the building sector and more particularly the field of cases or boxes forming openings in a concrete slab for the installation of flow supply ducts. The subject of the invention is a set of accessories intended to equip such a box, these accessories comprising at least one outer sleeve for placing the box in connection with a sheath and at least one shoe for guiding the duct inside the box. They also comprise at least one inner sleeve for interposition between the shoe and the outer sleeve for the protection of the duct between the shoe and the outer sleeve; at least one extension interposed between the shoe and the zone of connection of the duct to an installation for the protection of the duct between the shoe and the installation; at least one connecting spacer between the extension and the shoe to place them in connection with one another; at least one cover for the free end of the extension for adjusting the emergent position of the duct; at least one collar for fastening on a frame of the extension. |
