| 摘要 |
The box (1) has an aperture (2), whilst the fixture has through holes (6-8). Pipe connections, either single or double, may be fixed to the box, or be movable so that the distance (A) between the front edge (2) of the box and the connections is different. Two fixture holes (6,7) are displaced from the central line of the parallelepiped in accordance with a specific pattern so that one of its sides, consisting of a base support for an adjustment plate is located at a specific distance (B) from the box aperture. The distance (B) may have four different dimensions by suitable positioning of the holes, allowing the fixture to be assembled in four different ways. The fixture has nail holes (8), permitting its attachment to a building plate and fixing at a required depth in relation to the plate. (Provisional basic advised week 87/07) |
