Connection box for incorporation of e.g. water supply pipe, has link for maintenance of box in specific direction at time of operations of installation of concrete bed, and set of locking units provided in extension of one wall of box

摘要

The box (1) has a set of locking units or a skirt (3) that is arranged with a link or fixing pawns (14). The link is attached to a platform (2) affixed on a concrete bed. The locking units are utilized to maintain a canister in place during subsequent operations of installation of a concrete layer. The link is utilized for maintenance of the box in a specific direction at the time of operations of installation of the concrete bed. The set of locking units is provided in extension of one of a set of walls (5, 8, 20) of the box.