Concrete block

(10) WO2024209711A1

(22) 06.07.2023

(43) 10.10.2024

(57) The present invention provides a dry stacking concrete block offering high workability without use of an adhesive and the like, such as concrete contributing to environmental preservation. Provided is a concrete block for dry stacking and staggered jointing, the concrete blocks being joined by placing a strip-shaped convex or convex portion on a concave or convex rail in the longitudinal direction, respectively, and each provided with claws, which are a plurality of partially removable or completely removable protrusions, on a side surface of the block on the rail front side or strip-shaped-portion front side along the longitudinal direction, and claws, which are a plurality of partially removable or completely removable protrusions, on a side surface of the block on the rail rear side or strip-shaped-portion rear side along the longitudinal direction.

(71) Saibara Iron Works Co., Ltd., JP