Polycrystalline diamond and CBN cutting tools
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United States of America Patent
Stats
-
Dec 22, 1987
Grant Date -
N/A
app pub date -
Feb 27, 1986
filing date -
Feb 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cutting tool comprised of a polycrystalline layer of diamond or cubic boron nitride integrally adhered to a recessed edge portion of a cemented carbide substrate structure, said layer having a tool nose of a given radius joining two substantially straight cutting edges, a face of said layer being adhered to the bottom surface of the recessed portion and a round side of the layer being adhered to the wall of the recessed portion, the thickness of the polycrystalline layer and the height of the wall being substantially equivalent.
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