Polycrystalline diamond elements, cutting elements, and related methods
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United States of America Patent
Stats
-
Sep 17, 2019
Grant Date -
N/A
app pub date -
May 7, 2014
filing date -
May 12, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A polycrystalline diamond abrasive cutting element consists generally of a layer of high grade polycrystalline diamond bonded to a cemented carbide substrate. The polycrystalline diamond layer has a working surface and an outer peripheral surface and is characterized by having an annular region or a portion thereof adjacent the peripheral surface that is lean in catalysing material. A region adjacent the working surface is also lean in catalysing material such that in use, as a wear scar develops, both the leading edge and the trailing edge thereof are located in a region lean in catalysing material.
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International Classification(s)
- 2014 Application Filing Year
- C23C Class
- 2649 Applications Filed
- 2034 Patents Issued To-Date
- 76.79 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C23C Class
- 0 % this patent is cited more than
- 6 Age
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