Patent ID: 9511372
Filing Date: 2016-12-06
CPC Classification: B02C

Claim Text:
1. A grinding roll for heavy wear operation, comprising: a grinding roll body; a plurality of segments attached to the grinding roll body, each segment having a support member having an outer surface; and a plurality of elongated insert members extending along a longitudinal axis, the insert members being supported in the support member and extending from the outer surface in a longitudinal direction, each of the insert members including a core of a first material having a first hardness, said core extending in the longitudinal direction of the insert member and including first and second axial ends, and a body of a second material having a second hardness, said body including first and second ends and enclosing said core in a radial direction to protect edges of the core, wherein the first and second axial ends of the core do not extend past the first and second ends of the body in the longitudinal direction, wherein the first hardness is greater than the second hardness.