Low pressure bonding of PCD bodies and method for drill bits and the like United States Patent 04943488

04943488 is referenced by 179 patents and cites 47 patents.

An improved temperature stable synthetic polycrystalline diamond (PCD) product includes at least one temperature stable PCD integrally and chemically bonded to a matrix carrier support through a carbide forming layer which is of a thickness of at least about 1 micron, the layer on at least one surface of the PCD is in turn bonded to the matrix carrier. A wide variety of shapes, sizes and configurations of such products is achieved through relatively low temperature and relatively low pressure processing. Various products of various geometries are described as well as the details of the processing to achieve chemical bonding of the PCD elements in a variety of support matrix carrier materials to form a unitary structure having a temperature stability up to about 1,200 degrees C.

Title
Low pressure bonding of PCD bodies and method for drill bits and the like
Application Number
921364
Publication Number
4943488
Application Date
November 18, 1988
Publication Date
July 24, 1990
Inventor
Louis K Bigelow
Salt Lake City
UT, US
Leo Merrill
Orem
UT, US
Sy Hwa Chen
Salt Lake City
UT, US
Chien Min Sung
Northboro
MA, US
Agent
Marmorek Guttman & Rubenstein
Assignee
Norton Company
MA, US
IPC
B22F 7/02
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Citations: 179 (view full list)

  1. Nigel Dennis Griffin, Peter Raymond Hughes: High volume density polycrystalline diamond with working surfaces depleted of catalyzing material. ReedHycalog, Jeffery E Daly, March 1, 2005: US06861137 (218 worldwide citation)
  2. Gordon A Tibbitts, Kenneth Johns: Mosaic diamond drag bit cutter having a nonuniform wear pattern. Baker Hughes Incorporated, Marger Johnson McCollom & Stolowitz, August 24, 1993: US05238074 (151 worldwide citation)
  3. Nigel Dennis Griffin, Peter Raymond Hughes: Polycrystalline diamond partially depleted of catalyzing material. ReedHycalog, Jeffery E Daly, April 12, 2005: US06878447 (145 worldwide citation)
  4. Chien Min Sung, Sy Hwa Chen: Method for low pressure bonding of PCD bodies. Norton Company, Marmorek Guttman & Rubenstein, May 26, 1992: US05116568 (141 worldwide citation)
  5. Scott J Buchanan, Eric D Morrison, David R Boston, Steven T Hedrick, William L Kausch, Wayne K Larson: Abrasive article having vanadium oxide incorporated therein. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Gregory D Allen, April 20, 1993: US05203884 (135 worldwide citation)
  6. Redd H Smith, Marcus R Skeem, Craig H Cooley: Superabrasive cutting element having an asperital cutting face and drill bit so equipped. Baker Hughes Incorporated, TraskBritt, May 23, 2006: US07048081 (126 worldwide citation)
  7. Lorenzo G Lovato, Gordon A Tibbitts: Reinforced abrasive-impregnated cutting elements, drill bits including same. Baker Hughes Incorporated, TraskBritt, June 5, 2001: US06241036 (125 worldwide citation)
  8. Etienne Lamine, Robert Delwiche: Bladed drill bit with centrally distributed diamond cutters. Dresser, Browning Bushman PC, October 2, 2001: US06296069 (119 worldwide citation)
  9. Ronald K Eyre: Thermally stable diamond polycrystalline diamond constructions. Smith International, Osha • Liang, April 14, 2009: US07517589 (100 worldwide citation)
  10. John Daniel Belnap, Stewart N Middlemiss, Anthony Griffo, Thomas W Oldham, Kumar T Kembaiyan: Thermally-stable polycrystalline diamond materials and compacts. Smith International, Connolly Bove Lodge & Hutz, January 6, 2009: US07473287 (95 worldwide citation)

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