Patent ID: 6536988
Filing Date: 2003-03-25
Classification: E01C

Abstract:
A construction set of paving stones forming rows wherein the paving stones are made of concrete material, and wherein the paving stones form a mechanically engageable laying set, wherein each of the paving stones comprises:a) a bottom surface; b) a plurality of circumferential surfaces comprising: i) a base part having a plurality of projections formed as irregular dome like projections disposed adjacent to each other with a spacing in between; and ii) a head part disposed adjacent to said base part and having a waveline shaped outer surface wherein said circumferential surfaces are coupled to said bottom surface; and c) a top surface comprising: i) a substantially dome like projection; and ii) at least one flat central upper region surrounded by said substantially dome like projection wherein said at least one flat central upper region has an even surface allowing the paving stones to be positioned one on top of the other, wherein said top surface is coupled to said plurality of circumferential surfaces, and wherein when the paving stones are placed adjacent to each other in the construction set, said irregular dome like projections on said base part form passage openings allowing water to drain through.