Polycrystalline diamond and CBN cutting tools
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United States of America Patent
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-
Jan 10, 1989
Issued Date -
N/A
app pub date -
May 11, 1987
filing date -
Feb 18, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cutting tool comprised of a polycrystalline layer of diamond or cubic boron nitride which has a cutting edge and at least one straight edge wherein one face of the polycrystalline layer is adhered to a substrate of cemented carbide and wherein a straight edge is adhered to one side of a wall of cemented carbide which is integral with the substrate, the thickness of the polycrystalline layer and the height of the wall being substantially equivalent.
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