1
Slutz David Earl, Gigl Paul Donald, Flood Gary Martin, Smith Gary Wayne: Brazed thermally-stable polycrystalline diamond compact workpieces and their fabrication.. Gen Electric, August 30, 1989: EP0329954-A2 (84 worldwide citation)

Disclosed is a brazed implement comprising a thermally-stable polycrystalline diamond compact, e.g. a compact of self-bonded diamond particles having a network of inter-connected empty pores dispersed throughout the compact, bonded to another of said compact or bonded to a cemented carbide support b ...


2
Deakins Martin E, Slutz David Earl, Johnson Neil Robert, Clark Thomas Joseph, Bovenkerk Harold Paul: Novel sawblade segments utilizing polycrystalline diamond grit.. Gen Electric, May 2, 1990: EP0365843-A1 (17 worldwide citation)

The present invention provides saw blade segments comprising polycrystalline diamond cutting elements and single crystal diamond cutting elements dispersed in a bonding matrix. In a preferred embodiment abrasion resistant particles are included so as to cause nonuniform wearing of the cutting segmen ...


3
Gigl Paul Donald, Slutz David Earl: Tools employing a large or irregularly shaped diamond abrasive.. Gen Electric, December 19, 1990: EP0402671-A1 (12 worldwide citation)

There is provided a tool comprising a fully dense sheet of diamond brazed to a substrate. The diamond sheet is manufactured by a chemical vapor deposition process and has a thickness of at least about 0.1 mm. The braze material is preferably a carbide-former. A method for making such tools is also p ...


4
Cerutti David Bruce, Slutz David Earl, Broskea Thomas J: Using thermally-stable diamond or cbn compacts as tips for rotary drills.. Gen Electric, March 11, 1992: EP0474092-A2 (12 worldwide citation)

The present invention is directed to rotary drill bits and blanks which retain polycrystalline diamond or CBN compacts, but which do not suffer from disadvantages attendant by prior drill designs. The inventive rotary drill bit has a slot within the head thereof which slot has brazed therein with a ...


5
Knemeyr Friedel Siegfried, Slutz David Earl: Method for producing flat cvd diamond film.. Gen Electric, July 21, 1993: EP0551730-A1 (12 worldwide citation)

A chemical vapor deposition method for producing a flat diamond film substantially free of cracks by forming the diamond film on the surface of a substrate having a convex growth surface wherein the radius of curvature is matched with the tensile stress within the diamond coating produced to compens ...


6
Slutz David Earl, Corrigan Francis Raymond: Products and process for making multigrain abrasive compacts.. Gen Electric, November 24, 1993: EP0570635-A1 (7 worldwide citation)

Multigrain abrasive compacts and processes for making the same are provided which comprise fine granules of cubic boron nitride or diamond bound by a sintered matrix derived from a coating on the granules. The coating comprises one or more layers of an active coating material which chemically bonds ...


7
Kosky Philip George, Knemeyer Friedel Siegried, Slutz David Earl: Apparatus for chemical vapor deposition of diamond including graphite substrate holders.. Gen Electric, February 1, 1995: EP0636706-A2 (7 worldwide citation)

Graphite substrate holders for employment in apparatus for chemical vapor deposition of diamond decrease the tendency of the formed diamond sheets to crack or shatter upon separation from the substrates. Said holders and the substrates therein preferably have rounded edges, to suppress crack formati ...


8
Slutz David Earl: Bonding of thermally stable abrasive compacts to carbide supports.. Gen Electric, August 30, 1989: EP0329955-A2 (6 worldwide citation)

Disclosed is a method for bonding thermally-stable polycrystalline diamond or CBN compacts to carbide supports wherein the carbide support is placed in thermal contact with a heat sink and the thermally-stable compact is placed in thermal contact with a heat source during the brazing operation.


9
White Luther Lamar, Whalen Paul Donald, Gigl Paul Donald, Slutz David Earl, Bovenkerk Harold Paul: Drill bits utilizing polycrystalline diamond grit.. Gen Electric, May 30, 1990: EP0370199-A1 (5 worldwide citation)

The present invention provides impregnated and surface set rotary drill bits wherein the cutting elements are thermally stable, mesh size polycrystalline diamond abrasive grit of from about 1 micron to about 2000 microns. Such drill bits can be used to drill a broader range of geological formations ...


10
Slutz David Earl, Corrigan Francis Raymond: Multigrain abrasive particles.. Gen Electric, September 16, 1992: EP0503974-A1 (5 worldwide citation)

Multigrain abrasive particles and articles made therefrom are provided wherein the particles comprise fine granules of chic boron nitride or diamond bound by a sintered matrix of one or more layers of active coating material that is chemically bonded to the underlying surface. These particles are ob ...