GB2373528B - Method for forming a non-uniform interface adjacent ultra hard material - Google Patents

Method for forming a non-uniform interface adjacent ultra hard material

Info

Publication number
GB2373528B
GB2373528B GB0212857A GB0212857A GB2373528B GB 2373528 B GB2373528 B GB 2373528B GB 0212857 A GB0212857 A GB 0212857A GB 0212857 A GB0212857 A GB 0212857A GB 2373528 B GB2373528 B GB 2373528B
Authority
GB
United Kingdom
Prior art keywords
forming
hard material
ultra hard
uniform interface
interface adjacent
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
GB0212857A
Other versions
GB0212857D0 (en
GB2373528A (en
GB2373528A8 (en
Inventor
Ronald K Eyte
Madapusi K Keshavan
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 US09/047,801 external-priority patent/US6193001B1/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0212857D0 publication Critical patent/GB0212857D0/en
Publication of GB2373528A publication Critical patent/GB2373528A/en
Publication of GB2373528A8 publication Critical patent/GB2373528A8/en
Application granted granted Critical
Publication of GB2373528B publication Critical patent/GB2373528B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element
GB0212857A 1998-03-25 1999-02-16 Method for forming a non-uniform interface adjacent ultra hard material Expired - Fee Related GB2373528B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/047,801 US6193001B1 (en) 1998-03-25 1998-03-25 Method for forming a non-uniform interface adjacent ultra hard material
GB9903331A GB2335682B (en) 1998-03-25 1999-02-16 Method for forming a non-uniform interface adjacent ultra hard material

Publications (4)

Publication Number Publication Date
GB0212857D0 GB0212857D0 (en) 2002-07-17
GB2373528A GB2373528A (en) 2002-09-25
GB2373528A8 GB2373528A8 (en) 2002-09-25
GB2373528B true GB2373528B (en) 2002-11-06

Family

ID=26315132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0212857A Expired - Fee Related GB2373528B (en) 1998-03-25 1999-02-16 Method for forming a non-uniform interface adjacent ultra hard material

Country Status (1)

Country Link
GB (1) GB2373528B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201622453D0 (en) * 2016-12-31 2017-02-15 Element Six Ltd Superhard constructions & methods of making same
GB201622454D0 (en) * 2016-12-31 2017-02-15 Element Six (Uk) Ltd Superhard constructions & methods of making same

Also Published As

Publication number Publication date
GB0212857D0 (en) 2002-07-17
GB2373528A (en) 2002-09-25
GB2373528A8 (en) 2002-09-25

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Legal Events

Date Code Title Description
711B Application made for correction of error (sect. 117/77)
711G Correction allowed (sect. 117/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160216