Kennametal Inc.

Jean-Pierre Genain

Edward J Oles

Alfred S Gates, Jr

William M Alexander, Iv

Kent Lewis Reiner

William M Alexander Iv

Kent R Reiner

Alfred S Gates

Iv William M Alexander

An uncoated cutting tool that comprises a body containing a pocket. A polycrystalline cubic boron nitride blank has a cutting tip. The blank is brazed into the pocket using a braze alloy whereby there is a braze joint between the body and the polycrystalline cubic boron nitride blank. The braze alloy has a liquidus temperature of at least about 900 degrees Centigrade wherein the braze alloy is selected from the group comprising a nickel-gold braze alloy containing nickel and gold, a copper-gold braze alloy containing copper and gold, a silver-titanium braze alloy containing silver and titanium, and a silver-palladium braze alloy containing silver and palladium.

Uncoated cutting tool using brazed-in superhard blank

A coated cutting tool that comprises a body containing a pocket. The tool further includes a polycrystalline cubic boron nitride blank that is brazed into the pocket using a braze alloy. The braze alloy has a liquidus temperature of at least about 900 degrees Centigrade. There is a coating applied to the cutting tool.

Coated cutting tool with brazed-in superhard blank

An uncoated cutting tool that comprises a body containing a pocket. A polycrystalline cubic boron nitride blank has a cutting tip. The blank is brazed into the pocket using a blaze alloy whereby there is a braze joint between the body and the polycrystalline cubic boron nitride blank. The braze alloy has a liquidus temperature of at least about 900 degrees Centigrade wherein the braze alloy is selected from the group comprising a nickel-gold braze alloy containing nickel and gold, a copper-gold braze alloy containing copper and gold, a silver-titanium braze alloy containing silver and titanium, and a silver-palladium braze alloy containing silver and palladium.

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Beychac et Cailleau, France

Jean-Pierre Genain