GB2325481B - Elements faced with superhard material - Google Patents

Elements faced with superhard material

Info

Publication number: GB2325481B
Authority: GB; United Kingdom
Prior art keywords: superhard material; elements faced; faced; elements; superhard
Prior art date: 1997-05-16
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 - Lifetime

Inventor

Nigel Dennis Griffin

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.)

1997-05-16

Filing date

1998-05-14

Publication date

2001-12-12

1998-05-14Application filed by Camco International UK LtdfiledCriticalCamco International UK Ltd

1998-07-08Publication of GB9810215D0publicationCriticalpatent/GB9810215D0/en

1998-11-25Publication of GB2325481ApublicationCriticalpatent/GB2325481A/en

2001-12-12Application grantedgrantedCritical

2001-12-12Publication of GB2325481BpublicationCriticalpatent/GB2325481B/en

2018-05-14Anticipated expirationlegal-statusCritical

StatusExpired - Lifetimelegal-statusCriticalCurrent

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
- E21B10/573—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)
Powder Metallurgy (AREA)
Drilling Tools (AREA)

GB9810215A1997-05-161998-05-14Elements faced with superhard materialExpired - LifetimeGB2325481B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB9709861.0AGB9709861D0 (en)	1997-05-16	1997-05-16	Elements faced with superhard material

Publications (3)

Publication Number	Publication Date
GB9810215D0 GB9810215D0 (en)	1998-07-08
GB2325481A GB2325481A (en)	1998-11-25
GB2325481Btrue GB2325481B (en)	2001-12-12

Family

ID=10812351

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GBGB9709861.0APendingGB9709861D0 (en)	1997-05-16	1997-05-16	Elements faced with superhard material
GB9810215AExpired - LifetimeGB2325481B (en)	1997-05-16	1998-05-14	Elements faced with superhard material

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GBGB9709861.0APendingGB9709861D0 (en)	1997-05-16	1997-05-16	Elements faced with superhard material

Country Status (3)

Country	Link
EP (1)	EP0878602A3 (en)
GB (2)	GB9709861D0 (en)
ZA (1)	ZA984058B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6527069B1 (en)*	1998-06-25	2003-03-04	Baker Hughes Incorporated	Superabrasive cutter having optimized table thickness and arcuate table-to-substrate interfaces
WO2011162999A2 (en)*	2010-06-24	2011-12-29	Baker Hughes Incorporated	Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and methods of forming cutting elements for earth-boring tools
US9138872B2 (en)	2013-03-13	2015-09-22	Diamond Innovations, Inc.	Polycrystalline diamond drill blanks with improved carbide interface geometries
CN103670284A (en)*	2013-12-03	2014-03-26	常州深倍超硬材料有限公司	Impact-resisting wear resisting tool

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4629373A (en)*	1983-06-22	1986-12-16	Megadiamond Industries, Inc.	Polycrystalline diamond body with enhanced surface irregularities
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
US5011515A (en)*	1989-08-07	1991-04-30	Frushour Robert H	Composite polycrystalline diamond compact with improved impact resistance
US5120327A (en)*	1991-03-05	1992-06-09	Diamant-Boart Stratabit (Usa) Inc.	Cutting composite formed of cemented carbide substrate and diamond layer
GB2270493A (en)*	1992-09-11	1994-03-16	Gen Electric	Encapsulation of segmented diamond compact
US5355969A (en)*	1993-03-22	1994-10-18	U.S. Synthetic Corporation	Composite polycrystalline cutting element with improved fracture and delamination resistance
GB2299109A (en)*	1995-03-24	1996-09-25	Camco Drilling Group Ltd	Preform elements faced with superhard material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2283772B (en)*	1993-11-10	1997-01-15	Camco Drilling Group Ltd	Improvements in or relating to elements faced with superhard material

1997
- 1997-05-16GBGBGB9709861.0Apatent/GB9709861D0/enactivePending
1998
- 1998-05-14EPEP98303775Apatent/EP0878602A3/ennot_activeWithdrawn
- 1998-05-14ZAZA984058Apatent/ZA984058B/enunknown
- 1998-05-14GBGB9810215Apatent/GB2325481B/ennot_activeExpired - Lifetime

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4629373A (en)*	1983-06-22	1986-12-16	Megadiamond Industries, Inc.	Polycrystalline diamond body with enhanced surface irregularities
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
US5011515A (en)*	1989-08-07	1991-04-30	Frushour Robert H	Composite polycrystalline diamond compact with improved impact resistance
US5011515B1 (en)*	1989-08-07	1999-07-06	Robert H Frushour	Composite polycrystalline diamond compact with improved impact resistance
US5120327A (en)*	1991-03-05	1992-06-09	Diamant-Boart Stratabit (Usa) Inc.	Cutting composite formed of cemented carbide substrate and diamond layer
GB2270493A (en)*	1992-09-11	1994-03-16	Gen Electric	Encapsulation of segmented diamond compact
US5355969A (en)*	1993-03-22	1994-10-18	U.S. Synthetic Corporation	Composite polycrystalline cutting element with improved fracture and delamination resistance
GB2299109A (en)*	1995-03-24	1996-09-25	Camco Drilling Group Ltd	Preform elements faced with superhard material

Also Published As

Publication number	Publication date
GB2325481A (en)	1998-11-25
EP0878602A3 (en)	1999-08-25
EP0878602A2 (en)	1998-11-18
GB9709861D0 (en)	1997-07-09
ZA984058B (en)	1998-11-25
GB9810215D0 (en)	1998-07-08

Publication	Publication Date	Title
GB2327692B (en)	2002-02-13	Improvements in or relating to elements faced with superhard material
HUP0003782A3 (en)	2002-02-28	Barrier material
PL336320A1 (en)	2000-06-19	Disintegrated material cooler
GB2321565B (en)	1999-12-01	Retro-reflective material
ZA9810663B (en)	1999-06-14	Lining material
EP1020487A4 (en)	2001-03-14	Plastic-ceramic composite material
GB9704339D0 (en)	1997-04-23	Particulate material
GB2336162B (en)	2000-08-02	Protective material
AU7432998A (en)	1998-12-30	Arid-polymer construction material
GB9819303D0 (en)	1998-10-28	Material
GB2325481B (en)	2001-12-12	Elements faced with superhard material
GB9910223D0 (en)	1999-06-30	Improvements in elements faced with superhard material
GB2334269B (en)	2002-04-17	Improvements in or relating to elements faced with superhard material
GB9608567D0 (en)	1996-07-03	Material carrying case
GB9702918D0 (en)	1997-04-02	Composite material
GB2322397B (en)	2000-06-28	Surfacing material
GB9924612D0 (en)	1999-12-22	Retro-reflective material
GB9717320D0 (en)	1997-10-22	Polyconductive material
EP0936203A4 (en)	2003-06-04	Seizure repairing material
GB2320902B (en)	2000-11-29	Material with thermal properties
GB9716057D0 (en)	1997-10-01	A material
GB9705018D0 (en)	1997-04-30	Glazing material
GB9817048D0 (en)	1998-09-30	Acrylic material
ZA989235B (en)	1999-04-19	Shade material
GB9720788D0 (en)	1997-12-03	Composite Material

Legal Events

Date	Code	Title	Description
2018-06-06	PE20	Patent expired after termination of 20 years	Expiry date:20180513

Movatterモバイル変換