Improvements in concrete building blocks, and system of reinforced blockwork building construction

摘要

248,894. Talbert, H. L. Feb. 4, 1925. Building blocks, special shapes of.-Concrete building blocks are formed with a grouting groove B all round near the outer face, two central holes C for rods, and wooden nailing plugs D adjacent to the inner face. For cross walls, the grooves B are in the centre of the blocks, plugs D are provided on both faces, and the end blocks are formed with a wide dovetailed groove G for grouting to the main wall.