Method of treating a mining insert

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United States of America Patent

PATENT NO 11898213
APP PUB NO 20230036990A1
SERIAL NO

17785482

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Abstract

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A method of treating a sintered mining insert including cemented carbide includes the step of subjecting the mining insert to a surface hardening process. The surface hardening process is executed at an elevated temperature of or above 100° C. A mining insert is also provided, wherein the HV1 Vickers hardness measurement increase (HV1%) from the surface region, measured as an average of HV1 measurements taken at 100 μm, 200 μm and 300 μm below the surface, compared to the HV1 Vickers hardness measured in the bulk (HV1bulk), is at least 8.05-0.00350×HV1bulk.

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Patent Owner(s)

Patent OwnerAddress
AB SANDVIK COROMANT811 81 SANDVIKEN
SANDVIK MINING AND CONSTRUCTION TOOLS AB81181 SANDVIKEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arvanitidis, Ioannis Stockholm, SE 9 10
Blomqvist, Andreas Stockholm, SE 58 632
Garcia, Jose Luis Stockholm, SE 22 39
Holmstrom, Erik Sandviken, SE 11 2
Lilja, Mirjam Stockholm, SE 7 178

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