1
David R Hall: Composite polycrystalline diamond compact. Smith International, Willian Brinks Olds Hofer Gilson & Lione, August 5, 1986: US04604106 (372 worldwide citation)

The invention is a composite polycrystalline diamond compact comprising at least one layer of diamond crystals and precemented carbide pieces which have been pressed under sufficient heat and pressure to create composite polycrystalline material wherein polycrystalline diamond and the precemented ca ...


2
Robert H Frushour: Composite polycrystalline diamond compact with improved impact resistance. Basile & Hanlon, April 30, 1991: US05011515 (210 worldwide citation)

A compact blank for use in operations that require very high impact strength and abrasion resistance is disclosed. The compact comprises a substrate formed of tungsten carbide or other hard material with a diamond or cubic boron nitride layer bonded to the substrate. The interface between the layers ...


3
Robert H Frushour: Composite polycrystalline diamond compact with improved impact and thermal stability. Young & Basile PC, July 8, 1997: US05645617 (146 worldwide citation)

A compact blank for use in operations that require improved thermal stability, impact strength, and abrasion resistance is disclosed. The compact includes a substrate formed of tungsten carbide or other hard material with multiple abrasive diamond crystal layers bonded to the substrate. The abrasive ...


4
Eoin M O Tighearnaigh: Composite polycrystalline diamond compact. General Electric Company, September 2, 1997: US05662720 (74 worldwide citation)

A cutting element comprises a diamond layer and a metal carbide substrate. The diamond layer and the metal carbide substrate form an egg-carton shaped interface.


5
Robert H Frushour, Christopher J Torbet: Composite polycrystalline diamond compact with discrete particle size areas. Phoenix Crystal Corporation, February 13, 2001: US06187068 (51 worldwide citation)

A polycrystalline diamond compact for use in cutting operations that require improved impact strength and non-uniform edge wear. The compact includes a substrate, with multiple, laterally spaced, abrasive diamond particle areas segregated by different particle sizes bonded to the substrate. The poly ...


6
Friedel S Knemeyer: Brazed composite compact implements. General Electric Company, Robert R Schroeder, July 9, 1985: US04527998 (43 worldwide citation)

Disclosed is an improved implement comprising a cemented carbide supported composite abrasive compact which is brazed to a cemented carbide substrate with a brazing filler metal having a liquidus substantially above 700.degree. C. The composite compact preferably is a composite polycrystalline diamo ...


7
Robert R Schroeder: Brazed composite compact implements. The General Electric Company, Mueller and Smith, September 20, 1988: US04772294 (17 worldwide citation)

Disclosed is an improved implement comprising a cemented carbide supported composite abrasive compact which is brazed to a cemented carbide substrate with a brazing filler metal having a liquidus substantially above 700.degree. C. The composite compact preferably is a composite polycrystalline diamo ...


8
Schroeder Robert Ralph: Brazed composite compact implements.. Gen Electric, March 11, 1987: EP0213300-A2 (4 worldwide citation)

Disclosed is an improved implement comprising a cemented carbide supported composite abrasive compact which is brazed to a cemented carbide substrate with a brazing filler metal having a liquidus substantially above 700 DEG C. The composite compact preferably is a composite polycrystalline diamond c ...


9
David R Hall: Improved composite polycrystalline diamond compact. Smith International, Newport Beach, California, LI LUOYING LU XINHUA, February 4, 1987: CN86103664 (2 worldwide citation)

The invention is a composite polycrystalline diamond compact comprising at least one layer of diamond crystals and precemented carbide pieces which have been pressed under sufficient heat and pressure to create composite polycrystalline material wherein polycrystalline diamond and the precemented ca ...


10
Robert Ralf Schroeder: Tool for braze welding composite stamped products and method for mfg. same. General Electric Co, WU ZENGYONG, December 31, 1986: CN86104661 (1 worldwide citation)

Disclosed is an improved implement comprising a cemented carbide supported composite abrasive compact which is brazed to a cemented carbide substrate with a brazing filler metal having a liquidus substantially above 700 DEG C. The composite compact preferably is a composite polycrystalline diamond c ...