GB2395202B - Hardfacing composition for rock bits - Google Patents

Hardfacing composition for rock bits

Info

Publication number
GB2395202B
GB2395202B GB0401930A GB0401930A GB2395202B GB 2395202 B GB2395202 B GB 2395202B GB 0401930 A GB0401930 A GB 0401930A GB 0401930 A GB0401930 A GB 0401930A GB 2395202 B GB2395202 B GB 2395202B
Authority
GB
United Kingdom
Prior art keywords
rock bits
hardfacing composition
hardfacing
composition
rock
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
GB0401930A
Other versions
GB2395202A (en
GB0401930D0 (en
Inventor
Dah-Ben Liang
Alysia Canson White
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 US10/039,912 external-priority patent/US6659206B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0401930D0 publication Critical patent/GB0401930D0/en
Publication of GB2395202A publication Critical patent/GB2395202A/en
Application granted granted Critical
Publication of GB2395202B publication Critical patent/GB2395202B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB0401930A 2001-10-29 2002-10-29 Hardfacing composition for rock bits Expired - Fee Related GB2395202B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/039,912 US6659206B2 (en) 2001-10-29 2001-10-29 Hardfacing composition for rock bits
GB0225171A GB2383587B (en) 2001-10-29 2002-10-29 Hardfacing composition for rock bits

Publications (3)

Publication Number Publication Date
GB0401930D0 GB0401930D0 (en) 2004-03-03
GB2395202A GB2395202A (en) 2004-05-19
GB2395202B true GB2395202B (en) 2005-04-20

Family

ID=32178885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0401930A Expired - Fee Related GB2395202B (en) 2001-10-29 2002-10-29 Hardfacing composition for rock bits

Country Status (1)

Country Link
GB (1) GB2395202B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9103004B2 (en) 2005-10-03 2015-08-11 Kennametal Inc. Hardfacing composition and article having hardfacing deposit
EP2570245B1 (en) * 2005-10-03 2015-04-15 Kennametal Inc. Hardfacing composition having a specific particle size distribution

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051112A (en) * 1988-06-29 1991-09-24 Smith International, Inc. Hard facing
GB2311085A (en) * 1996-03-12 1997-09-17 Smith International A rock bit with hardfacing comprising spherical cast tungsten carbide particles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051112A (en) * 1988-06-29 1991-09-24 Smith International, Inc. Hard facing
GB2311085A (en) * 1996-03-12 1997-09-17 Smith International A rock bit with hardfacing comprising spherical cast tungsten carbide particles
US5791422A (en) * 1996-03-12 1998-08-11 Smith International, Inc. Rock bit with hardfacing material incorporating spherical cast carbide particles

Also Published As

Publication number Publication date
GB2395202A (en) 2004-05-19
GB0401930D0 (en) 2004-03-03

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Legal Events

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

Effective date: 20151029