GB2443574B - Impregnated diamond cutting structures - Google Patents

Impregnated diamond cutting structures

Info

Publication number
GB2443574B
GB2443574B GB0801250A GB0801250A GB2443574B GB 2443574 B GB2443574 B GB 2443574B GB 0801250 A GB0801250 A GB 0801250A GB 0801250 A GB0801250 A GB 0801250A GB 2443574 B GB2443574 B GB 2443574B
Authority
GB
United Kingdom
Prior art keywords
diamond cutting
cutting structures
impregnated diamond
impregnated
structures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0801250A
Other versions
GB0801250D0 (en
GB2443574A (en
Inventor
Gregory T Lockwood
Thomas W Oldham
Anthony Griffo
Madapusi K Keshaven
David A Conroy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith International Inc
Original Assignee
Smith International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/967,651 external-priority patent/US7350599B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority to GB0801250A priority Critical patent/GB2443574B/en
Priority claimed from GB0707821A external-priority patent/GB2436974B/en
Publication of GB0801250D0 publication Critical patent/GB0801250D0/en
Publication of GB2443574A publication Critical patent/GB2443574A/en
Application granted granted Critical
Publication of GB2443574B publication Critical patent/GB2443574B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/006—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being carbides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
GB0801250A 2004-10-18 2005-10-10 Impregnated diamond cutting structures Expired - Fee Related GB2443574B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0801250A GB2443574B (en) 2004-10-18 2005-10-10 Impregnated diamond cutting structures

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/967,651 US7350599B2 (en) 2004-10-18 2004-10-18 Impregnated diamond cutting structures
GB0801250A GB2443574B (en) 2004-10-18 2005-10-10 Impregnated diamond cutting structures
GB0707821A GB2436974B (en) 2004-10-18 2005-10-10 Impregnated diamond cutting structures

Publications (3)

Publication Number Publication Date
GB0801250D0 GB0801250D0 (en) 2008-02-27
GB2443574A GB2443574A (en) 2008-05-07
GB2443574B true GB2443574B (en) 2008-09-03

Family

ID=39301612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0801250A Expired - Fee Related GB2443574B (en) 2004-10-18 2005-10-10 Impregnated diamond cutting structures

Country Status (1)

Country Link
GB (1) GB2443574B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7866419B2 (en) 2006-07-19 2011-01-11 Smith International, Inc. Diamond impregnated bits using a novel cutting structure
US8517125B2 (en) 2007-05-18 2013-08-27 Smith International, Inc. Impregnated material with variable erosion properties for rock drilling
GB2487867B (en) * 2010-02-09 2014-08-20 Smith International Composite cutter substrate to mitigate residual stress

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6319460B1 (en) * 1998-03-19 2001-11-20 Smith International, Inc. Metal-matrix diamond or cubic boron nitride composites

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6319460B1 (en) * 1998-03-19 2001-11-20 Smith International, Inc. Metal-matrix diamond or cubic boron nitride composites

Also Published As

Publication number Publication date
GB0801250D0 (en) 2008-02-27
GB2443574A (en) 2008-05-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20171010