Polycrystalline diamond and CBN cutting tools

Details Polycrystalline diamond and CBN cutting tools Polycrystalline diamond and CBN cutting tools

1987-05-11

1989-01-10

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Miscellaneous

51309, 51295, 51204, B24D 300

Patent

active

047971380

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.

REFERENCES:
patent: 3743489 (1973-07-01), Wentorf et al.
patent: 3745623 (1973-07-01), Wentorf et al.
patent: 4215999 (1980-08-01), Phaal
patent: 4255165 (1981-03-01), Dennis et al.
patent: 4457765 (1984-07-01), Wilson
patent: 4478298 (1984-10-01), Hake et al.
patent: 4498549 (1985-02-01), Jurgens
patent: 4592433 (1986-01-01), Dennis
Abstract of South African Application 80/2747, (one page).

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