Abrasive tool making process – material – or composition – With inorganic material
Reexamination Certificate
2011-05-31
2011-05-31
Green, Anthony J (Department: 1731)
Abrasive tool making process, material, or composition
With inorganic material
C051S295000, C051S309000, C175S420200, C175S428000, C175S430000
Reexamination Certificate
active
07951213
ABSTRACT:
Superabrasive compacts, methods of fabricating such compacts, and drilling tools that may utilize such compacts are disclosed. In one aspect of the present invention, a superabrasive compact includes a substrate and a superabrasive table attached to the substrate. At least one constituent of the superabrasive table exhibits a substantially monotonic distribution of size, concentration, or both in a selected direction of the superabrasive table. In another aspect of the present invention, a method of fabricating a superabrasive article is disclosed. A plurality of particles may be provided that exhibit a substantially monotonic distribution of particle size, concentration, or both in a selected direction. The particles may be subjected to a high-temperature, high-pressure process to consolidate and form a self-supporting body.
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U.S. Appl. No. 60/850,969, Craig H. Cooley et al.
Bertagnolli Kenneth E.
Cooley Craig H.
Miess David P.
Green Anthony J
Parvini Pegah
US Synthetic Corporation
Workman Nydegger
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