Cutters – for shaping – Comprising tool of specific chemical composition
Reexamination Certificate
2011-05-24
2011-05-24
Fridie, Jr., Will (Department: 3724)
Cutters, for shaping
Comprising tool of specific chemical composition
C051S309000, C428S627000
Reexamination Certificate
active
07946792
ABSTRACT:
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.
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Alexander, IV William M
Gates, Jr. Alfred S
Genain Jean-Pierre
Oles Edward J
Reiner Kent L
Fridie, Jr. Will
Gordon Matthew W.
Kennametal Inc.
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