Patent ID: 11890646
Assignee: SANDVIK SRP AB
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 5:
6. A spacer arranged for cooperating with a disc including a first material and a second material, and for transporting materials on a roller screen, the spacer comprising:
a cylindrical main body having a first axial end, a second axial end, an outer surface and a centrally arranged passage, through which passage a centrally arranged axis extends; and
at least one ridge extending axially and/or radially on the outer surface of the main body, wherein the at least one ridge includes a third material, the main body including the third material and/or a fourth material, the third and fourth materials having different wear resistant properties, wherein the wear resistance of the third material is greater than the wear resistance of the fourth material, wherein the third material is bonded with the fourth material so that the main body and the at least one ridge are integrated, and wherein the fourth material includes a matrix material, and the third material includes cemented carbides that are metallurgically bonded to the matrix material.