Rock drill button

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United States of America Patent

PATENT NO 10895001
APP PUB NO 20180073108A1
SERIAL NO

15561059

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Abstract

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A rock drill button having a body of sintered cemented carbide that has hard constituents of tungsten carbide (WC) in a binder phase of Co, wherein the cemented carbide has 4-12 mass % Co and balance WC and unavoidable impurities. The cemented carbide also has Cr in such an amount that the Cr/Co ratio is within the range of 0.043-0.19, and that the WC grain size mean value is above 1.75 μm.

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Patent Owner(s)

  • SANDVIK INTELLECTUAL PROPERTY AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ekmarker, Anna Ankarvsik, SE 3 2
Nordgren, Anders Enskede, SE 10 85
Norgren, Susanne Huddinge, SE 43 140

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