EP0967037A3 - Polycrystalline diamond compact cutter with interface - Google Patents
Polycrystalline diamond compact cutter with interface Download PDFInfo
- Publication number
- EP0967037A3 EP0967037A3 EP99303237A EP99303237A EP0967037A3 EP 0967037 A3 EP0967037 A3 EP 0967037A3 EP 99303237 A EP99303237 A EP 99303237A EP 99303237 A EP99303237 A EP 99303237A EP 0967037 A3 EP0967037 A3 EP 0967037A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- interface
- layer
- cutter
- core
- carbide
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Earth Drilling (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7236398A | 1998-05-04 | 1998-05-04 | |
US72363 | 1998-05-04 | ||
US26739199A | 1999-03-15 | 1999-03-15 | |
US267391 | 1999-03-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0967037A2 EP0967037A2 (en) | 1999-12-29 |
EP0967037A3 true EP0967037A3 (en) | 2007-07-25 |
EP0967037B1 EP0967037B1 (en) | 2010-09-22 |
Family
ID=26753290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99303237A Expired - Lifetime EP0967037B1 (en) | 1998-05-04 | 1999-04-27 | Polycrystalline diamond compact cutter with interface |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0967037B1 (en) |
JP (1) | JP2000033574A (en) |
KR (1) | KR19990088003A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0418078A2 (en) * | 1989-09-14 | 1991-03-20 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite abrasive compacts |
EP0517510A2 (en) * | 1991-06-04 | 1992-12-09 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite diamond abrasive compact |
EP0604211A1 (en) * | 1992-12-23 | 1994-06-29 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite tool for drilling bits |
GB2290329A (en) * | 1994-06-17 | 1995-12-20 | Baker Hughes Inc | Drill bit cutting element |
US5711702A (en) * | 1996-08-27 | 1998-01-27 | Tempo Technology Corporation | Curve cutter with non-planar interface |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IE61697B1 (en) | 1987-12-22 | 1994-11-16 | De Beers Ind Diamond | Abrasive product |
US5484330A (en) | 1993-07-21 | 1996-01-16 | General Electric Company | Abrasive tool insert |
-
1999
- 1999-04-27 EP EP99303237A patent/EP0967037B1/en not_active Expired - Lifetime
- 1999-04-30 JP JP11123361A patent/JP2000033574A/en not_active Withdrawn
- 1999-04-30 KR KR1019990015596A patent/KR19990088003A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0418078A2 (en) * | 1989-09-14 | 1991-03-20 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite abrasive compacts |
EP0517510A2 (en) * | 1991-06-04 | 1992-12-09 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite diamond abrasive compact |
EP0604211A1 (en) * | 1992-12-23 | 1994-06-29 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite tool for drilling bits |
GB2290329A (en) * | 1994-06-17 | 1995-12-20 | Baker Hughes Inc | Drill bit cutting element |
US5711702A (en) * | 1996-08-27 | 1998-01-27 | Tempo Technology Corporation | Curve cutter with non-planar interface |
Also Published As
Publication number | Publication date |
---|---|
KR19990088003A (en) | 1999-12-27 |
EP0967037A2 (en) | 1999-12-29 |
EP0967037B1 (en) | 2010-09-22 |
JP2000033574A (en) | 2000-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5335738A (en) | Tools for percussive and rotary crushing rock drilling provided with a diamond layer | |
US5351772A (en) | Polycrystalline diamond cutting element | |
US6272753B2 (en) | Multi-layer, multi-grade multiple cutting surface PDC cutter | |
US5447208A (en) | Superhard cutting element having reduced surface roughness and method of modifying | |
US5217081A (en) | Tools for cutting rock drilling | |
WO2006050167B1 (en) | Polycrystalline cutter with multiple cutting edges | |
JPH06212874A (en) | Cemented carbide bit button | |
CA2566597A1 (en) | Cutting tool insert | |
CA2025933A1 (en) | Drill bit having diamond film cutting surface | |
GB2351987A (en) | Cutting element with dual grade carbide substrate | |
US8172011B2 (en) | Cutting element | |
ATE71984T1 (en) | CARBIDE METAL COMPOSITE WITH BINDER METAL GRADIENT AND METHOD FOR ITS PRODUCTION. | |
CN101506459B (en) | Pcd cutters with enhanced working surfaces adjacent a cavity | |
WO2005061181A3 (en) | Polycrystalline diamond abrasive elements | |
US6098731A (en) | Drill bit compact with boron or beryllium for fracture resistance | |
AU2003278412A1 (en) | Composite material | |
US5685769A (en) | Tool component | |
CA2380539C (en) | A drill bit having large diameter pdc cutters | |
EP0967037A3 (en) | Polycrystalline diamond compact cutter with interface | |
CN101852065A (en) | Diamond compact substrate | |
CN2403541Y (en) | Synneusis diamond hard alloy composite tooth | |
JPH0222025B2 (en) | ||
CN201679451U (en) | Cambered surface PDC (polycrystalline diamond compact) | |
CN2263194Y (en) | Roller bit with inside strength tooth | |
CN214247227U (en) | Non-planar complex cutting edge polycrystalline diamond compact |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DIAMOND INNOVATIONS, INC. |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
17P | Request for examination filed |
Effective date: 20080108 |
|
AKX | Designation fees paid |
Designated state(s): GB IE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
17Q | First examination report despatched |
Effective date: 20090730 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 10/573 20060101ALI20090930BHEP Ipc: B22F 7/06 20060101AFI20090930BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): GB IE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20110623 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20180227 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IE Payment date: 20180410 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20190426 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MK9A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20190427 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20190426 |