GB9910223D0 - Improvements in elements faced with superhard material - Google Patents
Improvements in elements faced with superhard materialInfo
- Publication number
- GB9910223D0 GB9910223D0 GBGB9910223.8A GB9910223A GB9910223D0 GB 9910223 D0 GB9910223 D0 GB 9910223D0 GB 9910223 A GB9910223 A GB 9910223A GB 9910223 D0 GB9910223 D0 GB 9910223D0
- 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.)
- Withdrawn
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
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
-
- 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
- E21B10/56—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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Powder Metallurgy (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
GB9910223D0 true GB9910223D0 (en) | 1999-06-30 |
GB2337063A GB2337063A (en) | 1999-11-10 |
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 Before (1)
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 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0955446B1 (en) |
DE (1) | DE69918891T2 (en) |
GB (2) | GB9809690D0 (en) |
Families Citing this family (6)
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 |
US9217296B2 (en) | 2008-01-09 | 2015-12-22 | Smith International, Inc. | Polycrystalline ultra-hard constructions with multiple support members |
US7909121B2 (en) | 2008-01-09 | 2011-03-22 | Smith International, Inc. | Polycrystalline ultra-hard compact constructions |
GB2479844B (en) | 2009-01-29 | 2013-06-19 | Smith International | Brazing methods for PDC cutters |
Family Cites Families (14)
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 |
GB2308142B (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 |
DE69611810T2 (en) | 1995-09-23 | 2001-08-23 | Camco Drilling Group Ltd., Stonehouse | Cutting insert for milling chisels |
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 |
-
1998
- 1998-05-08 GB GBGB9809690.2A patent/GB9809690D0/en not_active Ceased
-
1999
- 1999-05-04 DE DE69918891T patent/DE69918891T2/en not_active Expired - Fee Related
- 1999-05-04 EP EP19990303483 patent/EP0955446B1/en not_active Expired - Lifetime
- 1999-05-05 GB GB9910223A patent/GB2337063A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB9809690D0 (en) | 1998-07-01 |
GB2337063A (en) | 1999-11-10 |
DE69918891D1 (en) | 2004-09-02 |
EP0955446B1 (en) | 2004-07-28 |
EP0955446A3 (en) | 2000-08-16 |
EP0955446A2 (en) | 1999-11-10 |
DE69918891T2 (en) | 2005-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |