Patent · US Active

Disc cutter for undercutting apparatus and a method of manufacture thereof

US11933107B2 · kind B2 · utility

0Cited by

8References

15Claims

0Family size

Assignee

Sandvik Mining and Construction Tools AB · SE

Inventors

Bjorn Claesson · Åkersberga, SE
Stefan Ederyd · Boo, SE
Johan Sundstrom · Lövstabruk, SE
Tomas Berglund · Falun, SE
Fredrik Meurling · Gävle, SE

Key dates

Filing date	Oct 31, 2019
Grant date	Mar 19, 2024
Priority date	—
Expiry date	Oct 30, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C29/16
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A disc cutter for a cutting unit used in an undercutting operation and a method of producing the same. The disc cutter including an 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 part. At least one metal alloy, metal matrix composite or cemented carbide cutting part is mounted in and substantially encircling the radially peripheral part of the disc body which protrudes outwardly therefrom to engage with the rock during the mining operation. The at least one cutting part is made from a material having a higher wear resistance than the material used for the disc body, wherein the disc body and the cutting part are joined by diffusion bonds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.