Patent ID: 11933107
Assignee: SANDVIK MINING AND CONSTRUCTION TOOLS AB
Field: Materials, metallurgy (Chemistry)
Classification: CPC E  B  C | IPC B  C  E

Claim 0:
1. A disc cutter for a cutting unit used in an undercutting apparatus comprising:
at least one annular disc body made of a metal alloy or metal matrix composite having a first side, a second side arranged substantially opposite to the first side and a radially peripheral par; and
a cemented carbide cutting part mounted in and substantially encircling the radially peripheral part of the at least one disc body, which protrudes outwardly therefrom to engage with the rock during operation, wherein the cutting part is made from a material having a higher wear resistance than the material used for the at least one disc body, wherein the least one disc body and the cutting part are joined by diffusion bonds, and wherein the cutting part is in the form of a continuous ring positioned between a first layer of the disc body and a second layer of the disc body.