SE513740C2 - Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning - Google Patents

Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning

Info

Publication number: SE513740C2
Authority: SE; Sweden
Prior art keywords: core; phase; cobalt; grain size; surface zone
Prior art date: 1995-12-22

Application number

SE9504623A

Other languages

English (en)

Swedish (sv)

Other versions

SE9504623L (sv

SE9504623D0 (sv

Inventor

Udo Fischer

Mats Waldenstroem

Torbjoern Hartzell

Original Assignee

Sandvik Ab

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.)

1995-12-22

Filing date

1995-12-22

Publication date

2000-10-30

1995-12-22 Application filed by Sandvik Ab filed Critical Sandvik Ab

1995-12-22 Priority to SE9504623A priority Critical patent/SE513740C2/sv

1995-12-22 Publication of SE9504623D0 publication Critical patent/SE9504623D0/xx

1996-12-17 Priority to DE69611909T priority patent/DE69611909T2/de

1996-12-17 Priority to AT96943448T priority patent/ATE199409T1/de

1996-12-17 Priority to EP96943448A priority patent/EP0826071B1/de

1996-12-17 Priority to PCT/SE1996/001682 priority patent/WO1997023660A1/en

1996-12-17 Priority to AU12180/97A priority patent/AU1218097A/en

1996-12-19 Priority to ZA9610719A priority patent/ZA9610719B/xx

1996-12-20 Priority to US08/772,101 priority patent/US5856626A/en

1997-06-23 Publication of SE9504623L publication Critical patent/SE9504623L/

2000-10-30 Publication of SE513740C2 publication Critical patent/SE513740C2/sv

Links

238000005553 drilling Methods 0.000 title claims abstract description 9
239000011435 rock Substances 0.000 title claims abstract description 9
238000005065 mining Methods 0.000 title claims description 5
229910052500 inorganic mineral Inorganic materials 0.000 title claims 2
239000011707 mineral Substances 0.000 title claims 2
229910052751 metal Inorganic materials 0.000 title description 4
239000002184 metal Substances 0.000 title description 4
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 26
239000010941 cobalt Substances 0.000 claims abstract description 25
229910017052 cobalt Inorganic materials 0.000 claims abstract description 25
239000011230 binding agent Substances 0.000 claims abstract description 12
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
238000009826 distribution Methods 0.000 claims abstract description 8
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 6
229910052742 iron Inorganic materials 0.000 claims abstract description 4
229910052759 nickel Inorganic materials 0.000 claims abstract description 3
229910052804 chromium Inorganic materials 0.000 claims description 2
229910052735 hafnium Inorganic materials 0.000 claims description 2
229910052750 molybdenum Inorganic materials 0.000 claims description 2
229910052758 niobium Inorganic materials 0.000 claims description 2
229910052715 tantalum Inorganic materials 0.000 claims description 2
229910052719 titanium Inorganic materials 0.000 claims description 2
229910052720 vanadium Inorganic materials 0.000 claims description 2
229910052726 zirconium Inorganic materials 0.000 claims description 2
239000000843 powder Substances 0.000 abstract description 8
238000005245 sintering Methods 0.000 abstract description 4
239000000203 mixture Substances 0.000 abstract description 3
238000003825 pressing Methods 0.000 abstract description 3
239000011248 coating agent Substances 0.000 abstract description 2
238000000576 coating method Methods 0.000 abstract description 2
239000002245 particle Substances 0.000 abstract description 2
239000000470 constituent Substances 0.000 abstract 3
239000003245 coal Substances 0.000 description 4
241000270322 Lepidosauria Species 0.000 description 3
229910009043 WC-Co Inorganic materials 0.000 description 3
238000005520 cutting process Methods 0.000 description 3
238000000034 method Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
238000000227 grinding Methods 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000011159 matrix material Substances 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
238000002156 mixing Methods 0.000 description 2
230000035939 shock Effects 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229910052626 biotite Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
238000005336 cracking Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000010310 metallurgical process Methods 0.000 description 1
239000010445 mica Substances 0.000 description 1
229910052618 mica group Inorganic materials 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
239000011044 quartzite Substances 0.000 description 1
238000003980 solgel method Methods 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/18—Non-metallic particles coated with metal
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Metallurgy (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Materials Engineering (AREA)
Environmental & Geological Engineering (AREA)
Geochemistry & Mineralogy (AREA)
General Life Sciences & Earth Sciences (AREA)
Fluid Mechanics (AREA)
Physics & Mathematics (AREA)
Chemical Kinetics & Catalysis (AREA)
Powder Metallurgy (AREA)
Earth Drilling (AREA)
Ceramic Products (AREA)
Carbon And Carbon Compounds (AREA)

SE9504623A 1995-12-22 1995-12-22 Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning SE513740C2 (sv)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
SE9504623A SE513740C2 (sv)	1995-12-22	1995-12-22	Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning
DE69611909T DE69611909T2 (de)	1995-12-22	1996-12-17	Sinterkarbidkörper mit erhöhtem verschleisswiderstand
AT96943448T ATE199409T1 (de)	1995-12-22	1996-12-17	Sinterkarbidkörper mit erhöhtem verschleisswiderstand
EP96943448A EP0826071B1 (de)	1995-12-22	1996-12-17	Sinterkarbidkörper mit erhöhtem verschleisswiderstand
PCT/SE1996/001682 WO1997023660A1 (en)	1995-12-22	1996-12-17	Cemented carbide body with increased wear resistance
AU12180/97A AU1218097A (en)	1995-12-22	1996-12-17	Cemented carbide body with increased wear resistance
ZA9610719A ZA9610719B (en)	1995-12-22	1996-12-19	Cemented carbide body with increased wear resistance
US08/772,101 US5856626A (en)	1995-12-22	1996-12-20	Cemented carbide body with increased wear resistance

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9504623A SE513740C2 (sv)	1995-12-22	1995-12-22	Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning

Publications (3)

Publication Number	Publication Date
SE9504623D0 SE9504623D0 (sv)	1995-12-22
SE9504623L SE9504623L (sv)	1997-06-23
SE513740C2 true SE513740C2 (sv)	2000-10-30

Family

ID=20400704

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9504623A SE513740C2 (sv)	1995-12-22	1995-12-22	Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning

Country Status (8)

Country	Link
US (1)	US5856626A (de)
EP (1)	EP0826071B1 (de)
AT (1)	ATE199409T1 (de)
AU (1)	AU1218097A (de)
DE (1)	DE69611909T2 (de)
SE (1)	SE513740C2 (de)
WO (1)	WO1997023660A1 (de)
ZA (1)	ZA9610719B (de)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE9802487D0 (sv) *	1998-07-09	1998-07-09	Sandvik Ab	Cemented carbide insert with binder phase enriched surface zone
US6173798B1 (en) *	1999-02-23	2001-01-16	Kennametal Inc.	Tungsten carbide nickel- chromium alloy hard member and tools using the same
SE522730C2 (sv) *	2000-11-23	2004-03-02	Sandvik Ab	Metod för tillverkning av en belagd hårdmetallkropp avsedd för skärande bearbetning
US6797369B2 (en) *	2001-09-26	2004-09-28	Kyocera Corporation	Cemented carbide and cutting tool
JP2003251503A (ja) *	2001-12-26	2003-09-09	Sumitomo Electric Ind Ltd	表面被覆切削工具
AT5837U1 (de) *	2002-04-17	2002-12-27	Plansee Tizit Ag	Hartmetallbauteil mit gradiertem aufbau
DE10300420A1 (de) *	2003-01-09	2004-07-22	Ceratizit Horb Gmbh	Hartmetallformkörper
US6869460B1 (en)	2003-09-22	2005-03-22	Valenite, Llc	Cemented carbide article having binder gradient and process for producing the same
DE10354543B3 (de) *	2003-11-21	2005-08-04	H.C. Starck Gmbh	Dualphasenhartstoff, Verfahren zu seiner Herstellung und dessen Verwendung
US7384443B2 (en) *	2003-12-12	2008-06-10	Tdy Industries, Inc.	Hybrid cemented carbide composites
KR101387183B1 (ko) *	2003-12-15	2014-04-21	산드빅 인터렉츄얼 프로퍼티 에이비	채광 및 건설용 초경합금 공구와 그의 제조 방법
ATE389737T1 (de) *	2003-12-15	2008-04-15	Sandvik Intellectual Property	Sinterkarbideinsatz und method zu dessen herstellung.
SE526601C2 (sv) *	2003-12-15	2005-10-18	Sandvik Intellectual Property	Hårdmetallskär och sätt att tillverka detsamma
US9428822B2 (en)	2004-04-28	2016-08-30	Baker Hughes Incorporated	Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components
US20050211475A1 (en) *	2004-04-28	2005-09-29	Mirchandani Prakash K	Earth-boring bits
US20080101977A1 (en) *	2005-04-28	2008-05-01	Eason Jimmy W	Sintered bodies for earth-boring rotary drill bits and methods of forming the same
US7699904B2 (en)	2004-06-14	2010-04-20	University Of Utah Research Foundation	Functionally graded cemented tungsten carbide
US20060024140A1 (en) *	2004-07-30	2006-02-02	Wolff Edward C	Removable tap chasers and tap systems including the same
DE102004051288B4 (de) *	2004-10-15	2009-04-16	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Polykristallines Hartstoffpulver, Kompositwerkstoff mit einem polykristallinen Hartstoffpulver und Verfahren zur Herstellung eines polykristallinen Hartstoffpulvers
US7513320B2 (en) *	2004-12-16	2009-04-07	Tdy Industries, Inc.	Cemented carbide inserts for earth-boring bits
US8637127B2 (en) *	2005-06-27	2014-01-28	Kennametal Inc.	Composite article with coolant channels and tool fabrication method
US7687156B2 (en) *	2005-08-18	2010-03-30	Tdy Industries, Inc.	Composite cutting inserts and methods of making the same
US7597159B2 (en)	2005-09-09	2009-10-06	Baker Hughes Incorporated	Drill bits and drilling tools including abrasive wear-resistant materials
US7703555B2 (en)	2005-09-09	2010-04-27	Baker Hughes Incorporated	Drilling tools having hardfacing with nickel-based matrix materials and hard particles
US8002052B2 (en)	2005-09-09	2011-08-23	Baker Hughes Incorporated	Particle-matrix composite drill bits with hardfacing
US7997359B2 (en)	2005-09-09	2011-08-16	Baker Hughes Incorporated	Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials
US7776256B2 (en) *	2005-11-10	2010-08-17	Baker Huges Incorporated	Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
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US8770324B2 (en)	2008-06-10	2014-07-08	Baker Hughes Incorporated	Earth-boring tools including sinterbonded components and partially formed tools configured to be sinterbonded
US7913779B2 (en) *	2005-11-10	2011-03-29	Baker Hughes Incorporated	Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits
US7802495B2 (en) *	2005-11-10	2010-09-28	Baker Hughes Incorporated	Methods of forming earth-boring rotary drill bits
US7784567B2 (en) *	2005-11-10	2010-08-31	Baker Hughes Incorporated	Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits
US7807099B2 (en)	2005-11-10	2010-10-05	Baker Hughes Incorporated	Method for forming earth-boring tools comprising silicon carbide composite materials
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CA2662966C (en)	2006-08-30	2012-11-13	Baker Hughes Incorporated	Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures
EP2078101A2 (de)	2006-10-25	2009-07-15	TDY Industries, Inc.	Artikel mit erhöhter widerstandsfähigkeit gegenüber thermischem cracken
US8272295B2 (en) *	2006-12-07	2012-09-25	Baker Hughes Incorporated	Displacement members and intermediate structures for use in forming at least a portion of bit bodies of earth-boring rotary drill bits
US7775287B2 (en)	2006-12-12	2010-08-17	Baker Hughes Incorporated	Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods
US7841259B2 (en) *	2006-12-27	2010-11-30	Baker Hughes Incorporated	Methods of forming bit bodies
US8512882B2 (en) *	2007-02-19	2013-08-20	TDY Industries, LLC	Carbide cutting insert
US20080202814A1 (en) *	2007-02-23	2008-08-28	Lyons Nicholas J	Earth-boring tools and cutter assemblies having a cutting element co-sintered with a cone structure, methods of using the same
US7846551B2 (en)	2007-03-16	2010-12-07	Tdy Industries, Inc.	Composite articles
WO2009111749A1 (en) *	2008-03-07	2009-09-11	University Of Utah	Thermal degradation and crack resistant functionally graded cemented tungsten carbide and polycrystalline diamond
US8790439B2 (en)	2008-06-02	2014-07-29	Kennametal Inc.	Composite sintered powder metal articles
EP2653580B1 (de) *	2008-06-02	2014-08-20	Kennametal Inc.	Zementierte carbidmetallische Legierungsverbindungen
US7703556B2 (en) *	2008-06-04	2010-04-27	Baker Hughes Incorporated	Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods
US8261632B2 (en)	2008-07-09	2012-09-11	Baker Hughes Incorporated	Methods of forming earth-boring drill bits
US8025112B2 (en)	2008-08-22	2011-09-27	Tdy Industries, Inc.	Earth-boring bits and other parts including cemented carbide
US8322465B2 (en)	2008-08-22	2012-12-04	TDY Industries, LLC	Earth-boring bit parts including hybrid cemented carbides and methods of making the same
GB0816836D0 (en)	2008-09-15	2008-10-22	Element Six Holding Gmbh	Steel wear part with hard facing
GB0816837D0 (en) *	2008-09-15	2008-10-22	Element Six Holding Gmbh	A Hard-Metal
US8163232B2 (en)	2008-10-28	2012-04-24	University Of Utah Research Foundation	Method for making functionally graded cemented tungsten carbide with engineered hard surface
US20120177453A1 (en)	2009-02-27	2012-07-12	Igor Yuri Konyashin	Hard-metal body
US8272816B2 (en) *	2009-05-12	2012-09-25	TDY Industries, LLC	Composite cemented carbide rotary cutting tools and rotary cutting tool blanks
US8201610B2 (en)	2009-06-05	2012-06-19	Baker Hughes Incorporated	Methods for manufacturing downhole tools and downhole tool parts
US8308096B2 (en)	2009-07-14	2012-11-13	TDY Industries, LLC	Reinforced roll and method of making same
US8440314B2 (en) *	2009-08-25	2013-05-14	TDY Industries, LLC	Coated cutting tools having a platinum group metal concentration gradient and related processes
US9643236B2 (en) *	2009-11-11	2017-05-09	Landis Solutions Llc	Thread rolling die and method of making same
US8936750B2 (en) *	2009-11-19	2015-01-20	University Of Utah Research Foundation	Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the same
US9388482B2 (en)	2009-11-19	2016-07-12	University Of Utah Research Foundation	Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the same
EP2571647A4 (de)	2010-05-20	2017-04-12	Baker Hughes Incorporated	Verfahren zur formung mindestens eines teils eines erdbohrwerkzeugs und in diesen verfahren geformte artikel
WO2011146760A2 (en)	2010-05-20	2011-11-24	Baker Hughes Incorporated	Methods of forming at least a portion of earth-boring tools, and articles formed by such methods
RU2012155101A (ru)	2010-05-20	2014-06-27	Бейкер Хьюз Инкорпорейтед	Способы формирования по меньшей мере части бурильного инструмента
US8800848B2 (en)	2011-08-31	2014-08-12	Kennametal Inc.	Methods of forming wear resistant layers on metallic surfaces
US9016406B2 (en)	2011-09-22	2015-04-28	Kennametal Inc.	Cutting inserts for earth-boring bits
US9764523B2 (en)	2011-11-29	2017-09-19	Smith International, Inc.	High pressure carbide component with surfaces incorporating gradient structures
CN121380711B (zh) *	2025-12-25	2026-03-17	崇义章源钨业股份有限公司	一种减小大制品硬质合金烧结变形的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3574738D1 (de) *	1984-11-13	1990-01-18	Santrade Ltd	Gesinterte hartmetallegierung zum gesteinsbohren und zum schneiden von mineralien.
US4708037A (en) *	1985-11-18	1987-11-24	Gte Laboratories Incorporated	Coated cemented carbide tool for steel roughing applications and methods for machining
SE500049C2 (sv) *	1991-02-05	1994-03-28	Sandvik Ab	Hårdmetallkropp med ökad seghet för mineralavverkning samt sätt att framställa denna
SE500050C2 (sv) *	1991-02-18	1994-03-28	Sandvik Ab	Hårdmetallkropp för slitande mineralavverkning och sätt att framställa denna
SE505461C2 (sv) *	1991-11-13	1997-09-01	Sandvik Ab	Hårdmetallkropp med ökad slitstyrka
SE469822B (sv) *	1992-02-07	1993-09-27	Sandvik Ab	Hårdmetallvals för valsning av metallband och trådplattning
US5481049A (en) *	1993-03-30	1996-01-02	Mitsubishi Chemical Corporation	Process for producing alkadienols
SE503118C2 (sv) *	1993-11-25	1996-03-25	Asea Atom Ab	Förfarande och anordning vid omrörning av en blandning i en behållare
SE504244C2 (sv) *	1994-03-29	1996-12-16	Sandvik Ab	Sätt att tillverka kompositmaterial av hårdämnen i en metallbindefas
SE502754C2 (sv) *	1994-03-31	1995-12-18	Sandvik Ab	Sätt att framställa belagt hårdämnespulver

1995
- 1995-12-22 SE SE9504623A patent/SE513740C2/sv not_active IP Right Cessation
1996
- 1996-12-17 EP EP96943448A patent/EP0826071B1/de not_active Expired - Lifetime
- 1996-12-17 AT AT96943448T patent/ATE199409T1/de not_active IP Right Cessation
- 1996-12-17 WO PCT/SE1996/001682 patent/WO1997023660A1/en not_active Ceased
- 1996-12-17 AU AU12180/97A patent/AU1218097A/en not_active Abandoned
- 1996-12-17 DE DE69611909T patent/DE69611909T2/de not_active Expired - Fee Related
- 1996-12-19 ZA ZA9610719A patent/ZA9610719B/xx unknown
- 1996-12-20 US US08/772,101 patent/US5856626A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US5856626A (en)	1999-01-05
DE69611909D1 (de)	2001-04-05
WO1997023660A1 (en)	1997-07-03
AU1218097A (en)	1997-07-17
EP0826071A1 (de)	1998-03-04
ATE199409T1 (de)	2001-03-15
ZA9610719B (en)	1997-06-27
SE9504623L (sv)	1997-06-23
DE69611909T2 (de)	2001-06-13
SE9504623D0 (sv)	1995-12-22
EP0826071B1 (de)	2001-02-28

Legal Events

Date	Code	Title	Description
2010-07-27	NUG	Patent has lapsed

Publication	Publication Date	Title
SE513740C2 (sv)	2000-10-30	Slitstark hårmetallkropp främst för användning vid bergborrning och mineralbrytning
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US8100203B2 (en)	2012-01-24	Diamond impregnated bits and method of using and manufacturing the same
US20130052481A1 (en)	2013-02-28	Hard face structure and body comprising same
US9103170B2 (en)	2015-08-11	Impregnated drill bit
JPS61179846A (ja)	1986-08-12	超硬合金ボデイ−
JP2000336437A (ja)	2000-12-05	微細ＷＣを有するＷＣ−Ｃｏ基超硬合金を製造する方法
WO1996035817A1 (en)	1996-11-14	Cemented carbide
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US20190134783A1 (en)	2019-05-09	Superhard constructions & methods of making same
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JPH10237578A (ja)	1998-09-08	超硬合金、その製造方法および超硬工具
CN112111683B (zh)	2021-12-03	一种铁镍钴型碳化钨耐磨材料及其制备方法
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Gu	2015	Development of a high-temperature high-pressure process for the manufacture of Diamond-Tungsten-Metal composites for oil and gas drilling
Matsuo et al.	2002	Advanced ultrafine grain WC-Co cemented carbides.