Devices of the connecting and holding called loops between the walls spaced of a wall and the application of the latter is in the embodiment of balconies in particular for buildings has multiple floors

摘要

The key (C1) is made from reinforced concrete and has parallel upper (1) and lower (2) surfaces and wedge-shaped sides joined by their smaller ends. The sides of the key are in the form of two surfaces at an angle of over 120 deg to one another, and its outer end is covered with solid or refractory brick some 3 cm thick. The keys are fitted into the walls (3,6) at the upper and lower corners of each balcony.