Improvements in and relating to the Construction of Hollow Building Blocks, Bricks, Stones, Walls, Floors, Ceilings and Beams, and to the Fixing of Dowels and the like therein

摘要

7393. F÷rster, O. March 28. Bricks ; building - blocks. - Hollow bricks and building-blocks a are moulded with break-away panels or stay-pieces c, which prevent distortion in the burning, and are notched in such a manner as to avoid the danger of breaking the sides by outward thrust when the panels are driven inwards. Fig. 1 shows an interlocking flooring-block, Fig. 2 a brick of standard size, Fig. 3 a floor constructed of blocks with the stay-pieces driven in, and the spaces filled in with cement or concrete strengthened by iron rods r, and Fig. 4 a hollow brick with a wood plug or fixing-block n secured in the cavity by asphalt or water-resisting material o.