GB9809690D0 - Improvements in elements faced with superhard material - Google Patents

Improvements in elements faced with superhard material

Info

Publication number
GB9809690D0
GB9809690D0 GBGB9809690.2A GB9809690A GB9809690D0 GB 9809690 D0 GB9809690 D0 GB 9809690D0 GB 9809690 A GB9809690 A GB 9809690A GB 9809690 D0 GB9809690 D0 GB 9809690D0
Authority
GB
United Kingdom
Prior art keywords
superhard material
elements faced
faced
elements
superhard
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.)
Ceased
Application number
GBGB9809690.2A
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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK Ltd
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
Application filed by Camco International UK Ltd filed Critical Camco International UK Ltd
Priority to GBGB9809690.2A priority Critical patent/GB9809690D0/en
Publication of GB9809690D0 publication Critical patent/GB9809690D0/en
Priority to DE69918891T priority patent/DE69918891T2/en
Priority to EP19990303483 priority patent/EP0955446B1/en
Priority to GB9910223A priority patent/GB2337063A/en
Ceased legal-status Critical Current

Links

GBGB9809690.2A 1998-05-08 1998-05-08 Improvements in elements faced with superhard material Ceased GB9809690D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB9809690.2A GB9809690D0 (en) 1998-05-08 1998-05-08 Improvements in elements faced with superhard material
DE69918891T DE69918891T2 (en) 1998-05-08 1999-05-04 Preformed cutting element
EP19990303483 EP0955446B1 (en) 1998-05-08 1999-05-04 Preform cutting element
GB9910223A GB2337063A (en) 1998-05-08 1999-05-05 Preform cutting element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9809690.2A GB9809690D0 (en) 1998-05-08 1998-05-08 Improvements in elements faced with superhard material

Publications (1)

Publication Number Publication Date
GB9809690D0 true GB9809690D0 (en) 1998-07-01

Family

ID=10831554

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9809690.2A Ceased GB9809690D0 (en) 1998-05-08 1998-05-08 Improvements in elements faced with superhard material
GB9910223A Withdrawn GB2337063A (en) 1998-05-08 1999-05-05 Preform cutting element

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9910223A Withdrawn GB2337063A (en) 1998-05-08 1999-05-05 Preform cutting element

Country Status (3)

Country Link
EP (1) EP0955446B1 (en)
DE (1) DE69918891T2 (en)
GB (2) GB9809690D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9911139D0 (en) * 1999-05-14 1999-07-14 Camco Int Uk Ltd Preform cutting elemenys for rotary drill bits
US6604588B2 (en) * 2001-09-28 2003-08-12 Smith International, Inc. Gage trimmers and bit incorporating the same
US7757793B2 (en) * 2005-11-01 2010-07-20 Smith International, Inc. Thermally stable polycrystalline ultra-hard constructions
US7909121B2 (en) 2008-01-09 2011-03-22 Smith International, Inc. Polycrystalline ultra-hard compact constructions
US9217296B2 (en) 2008-01-09 2015-12-22 Smith International, Inc. Polycrystalline ultra-hard constructions with multiple support members
WO2010088504A1 (en) 2009-01-29 2010-08-05 Smith International, Inc. Brazing methods for pdc cutters

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784023A (en) 1985-12-05 1988-11-15 Diamant Boart-Stratabit (Usa) Inc. Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same
US4811801A (en) * 1988-03-16 1989-03-14 Smith International, Inc. Rock bits and inserts therefor
US5120327A (en) 1991-03-05 1992-06-09 Diamant-Boart Stratabit (Usa) Inc. Cutting composite formed of cemented carbide substrate and diamond layer
GB2308143B (en) 1993-11-10 1998-02-25 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB2283772B (en) 1993-11-10 1997-01-15 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
US5435403A (en) * 1993-12-09 1995-07-25 Baker Hughes Incorporated Cutting elements with enhanced stiffness and arrangements thereof on earth boring drill bits
ZA954736B (en) * 1994-06-16 1996-01-26 De Beers Ind Diamond Tool component
GB9412247D0 (en) 1994-06-18 1994-08-10 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB9506079D0 (en) 1995-03-24 1995-05-10 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB9508226D0 (en) 1995-04-22 1995-06-07 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
EP0764760B1 (en) 1995-09-23 2001-02-21 Camco Drilling Group Limited Cutting insert for rotary drag bit
US5706906A (en) * 1996-02-15 1998-01-13 Baker Hughes Incorporated Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
GB9701695D0 (en) * 1997-01-28 1997-03-19 De Beers Ind Diamond Insert for an abrasive tool
US5887580A (en) * 1998-03-25 1999-03-30 Smith International, Inc. Cutting element with interlocking feature

Also Published As

Publication number Publication date
EP0955446A3 (en) 2000-08-16
DE69918891T2 (en) 2005-08-04
GB2337063A (en) 1999-11-10
GB9910223D0 (en) 1999-06-30
EP0955446A2 (en) 1999-11-10
EP0955446B1 (en) 2004-07-28
DE69918891D1 (en) 2004-09-02

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)