'SAND TRAP FOR A GOLF COURSE WITH A GRANULAR MATERIAL WITH A CERAMIC COATING AND PROCEDURE AND CORRESPONDING USES'.

摘要

Sand trap for a golf course with agranular material with a ceramic coating and procedure andcorresponding uses.;Sand trap for a golf course thatit comprises a granular material composed of a plurality ofgrains, where each of the grains has a nucleus composed of a material that has a Knoop hardness less than 950 and has aceramic coating that has a Knoop hardness greater than 1000.The core can be silicon oxide, titanium oxide, iron,steel and brass The coating may have a surface finishwith a Knoop hardness greater than 600.