EP2307659A4 - Composite metal, cemented carbide bit construction - Google Patents

Composite metal, cemented carbide bit construction

Info

Publication number
EP2307659A4
EP2307659A4 EP09763484.4A EP09763484A EP2307659A4 EP 2307659 A4 EP2307659 A4 EP 2307659A4 EP 09763484 A EP09763484 A EP 09763484A EP 2307659 A4 EP2307659 A4 EP 2307659A4
Authority
EP
European Patent Office
Prior art keywords
cemented carbide
composite metal
carbide bit
bit construction
construction
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Withdrawn
Application number
EP09763484.4A
Other languages
German (de)
French (fr)
Other versions
EP2307659A2 (en
Inventor
John H Stevens
James Larry Christie
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of EP2307659A2 publication Critical patent/EP2307659A2/en
Publication of EP2307659A4 publication Critical patent/EP2307659A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture 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
    • B22F7/06Manufacture 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
    • B22F7/062Manufacture 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 involving the connection or repairing of preformed parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture 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
    • B22F7/06Manufacture 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
    • B22F7/08Manufacture 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 with one or more parts not made from powder
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/05Mixtures of metal powder with non-metallic powder
    • C22C1/051Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C26/00Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06Alloys 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06Alloys 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
    • C22C29/10Alloys 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 titanium carbide
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/14Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on borides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/16Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/002Tools other than cutting tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/14Both compacting and sintering simultaneously
    • B22F3/15Hot isostatic pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/17Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
    • B22F3/172Continuous compaction, e.g. rotary hammering
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C2204/00End product comprising different layers, coatings or parts of cermet

Abstract

A manufacturing method and drill bit having either a preformed steel powder blank or machined steel core and abrasion and erosion resistant material components attached thereon.
EP09763484.4A 2008-06-10 2009-06-10 Composite metal, cemented carbide bit construction Withdrawn EP2307659A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/136,456 US20090301788A1 (en) 2008-06-10 2008-06-10 Composite metal, cemented carbide bit construction
PCT/US2009/046810 WO2009152194A2 (en) 2008-06-10 2009-06-10 Composite metal, cemented carbide bit construction

Publications (2)

Publication Number Publication Date
EP2307659A2 EP2307659A2 (en) 2011-04-13
EP2307659A4 true EP2307659A4 (en) 2013-08-07

Family

ID=41399264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09763484.4A Withdrawn EP2307659A4 (en) 2008-06-10 2009-06-10 Composite metal, cemented carbide bit construction

Country Status (4)

Country Link
US (1) US20090301788A1 (en)
EP (1) EP2307659A4 (en)
RU (1) RU2010154503A (en)
WO (1) WO2009152194A2 (en)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
RU2432445C2 (en) 2006-04-27 2011-10-27 Ти Ди Уай Индастриз, Инк. Modular drill bit with fixed cutting elements, body of this modular drill bit and methods of their manufacturing
WO2008051588A2 (en) 2006-10-25 2008-05-02 Tdy Industries, Inc. Articles having improved resistance to thermal cracking
US8790439B2 (en) 2008-06-02 2014-07-29 Kennametal Inc. Composite sintered powder metal articles
US8261632B2 (en) * 2008-07-09 2012-09-11 Baker Hughes Incorporated Methods of forming earth-boring drill bits
US20100192475A1 (en) * 2008-08-21 2010-08-05 Stevens John H Method of making an earth-boring metal matrix rotary drill bit
US8025112B2 (en) 2008-08-22 2011-09-27 Tdy Industries, Inc. Earth-boring bits and other parts including cemented carbide
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
US9643236B2 (en) 2009-11-11 2017-05-09 Landis Solutions Llc Thread rolling die and method of making same
US8881791B2 (en) 2010-04-28 2014-11-11 Baker Hughes Incorporated Earth-boring tools and methods of forming earth-boring tools
WO2011146743A2 (en) * 2010-05-20 2011-11-24 Baker Hughes Incorporated Methods of forming at least a portion of earth-boring tools
MX2012013455A (en) 2010-05-20 2013-05-01 Baker Hughes Inc Methods of forming at least a portion of earth-boring tools, and articles formed by such methods.
RU2012155102A (en) 2010-05-20 2014-06-27 Бейкер Хьюз Инкорпорейтед METHOD FOR FORMING AT LEAST PART OF A DRILLING TOOL AND PRODUCTS FORMED IN SUCH METHOD
GB2490299B (en) * 2010-11-29 2018-05-23 Halliburton Energy Services Inc Mold assemblies including a mold insertable in a container
GB2490087B (en) 2010-11-29 2016-04-27 Halliburton Energy Services Inc Forming objects by infiltrating a printed matrix
GB2485848B (en) 2010-11-29 2018-07-11 Halliburton Energy Services Inc Improvements in heat flow control for molding downhole equipment
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
RU2602852C2 (en) * 2011-10-14 2016-11-20 Варел Интернэшнл Инд., Л.П. Use of tubular rod made of tungsten carbide for reinforcing of polycrystalline diamond composite matrix
JP6224603B2 (en) 2011-10-24 2017-11-01 ダイヤモンド イノヴェーションズ インコーポレイテッド A method for joining two components by using a plurality of elongated elements to ensure axial and angular alignment between them
US9328581B2 (en) * 2012-02-22 2016-05-03 Frank Clarence PITTMAN Thru-tubing mill
US10201890B1 (en) 2014-03-10 2019-02-12 Tkw, Llc Sintered metal carbide containing diamond particles and induction heating method of making same
US10064702B2 (en) * 2014-04-17 2018-09-04 Inland Diamond Products Company Vacuum brazed diamond dental burr made using synthetic diamond
CN104858414A (en) * 2015-04-08 2015-08-26 中国有色桂林矿产地质研究院有限公司 Diamond drill bit matrix powder suitable for deep well drilling condition and drill bit
US10662716B2 (en) * 2017-10-06 2020-05-26 Kennametal Inc. Thin-walled earth boring tools and methods of making the same
US20240011358A1 (en) * 2020-08-27 2024-01-11 Schlumberger Technology Corporation Blade cover
CN114150176A (en) * 2021-12-02 2022-03-08 常州市博斯特精密机械有限公司 Drill bit production process with good impact resistance
CN115055927B (en) * 2022-07-01 2024-02-09 吉安富奇精密制造有限公司 Preparation method of high-strength high-temperature-resistant numerical control drill bit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001061142A1 (en) * 2000-02-15 2001-08-23 Kennametal Inc. Drill bit, hard member, and bit body
US20070102199A1 (en) * 2005-11-10 2007-05-10 Smith Redd H Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
US20070251732A1 (en) * 2006-04-27 2007-11-01 Tdy Industries, Inc. Modular Fixed Cutter Earth-Boring Bits, Modular Fixed Cutter Earth-Boring Bit Bodies, and Related Methods

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1557743A (en) * 1923-06-30 1925-10-20 Terrill Albert Steel bit for rock drills
US2604305A (en) * 1946-10-24 1952-07-22 Pearl Edith Livingstone Rock drill tip
US2861779A (en) * 1956-07-12 1958-11-25 Thomas A White Rotary drilling bit
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits
US3326308A (en) * 1965-07-22 1967-06-20 John G Elstrand Well drilling bit
US3336992A (en) * 1965-10-08 1967-08-22 Van R White Drill bits
US3469976A (en) * 1967-07-31 1969-09-30 Du Pont Isostatic hot pressing of metal-bonded metal carbide bodies
US3463256A (en) * 1967-11-07 1969-08-26 Clyde A White Well drilling bit
US3545554A (en) * 1968-12-03 1970-12-08 Trident Ind Inc Drill bit with staggered teeth
US3672455A (en) * 1970-04-14 1972-06-27 Tarton Ind Inc Drag bits
US3667817A (en) * 1970-05-21 1972-06-06 Smith International Drill pipe with wear sleeve
US3760894A (en) * 1971-11-10 1973-09-25 M Pitifer Replaceable blade drilling bits
US3862665A (en) * 1973-10-11 1975-01-28 Reed Tool Co Scrape-type cutter for drill bits
US4026372A (en) * 1974-03-21 1977-05-31 Padley & Venables Limited Drill bits
US4094709A (en) * 1977-02-10 1978-06-13 Kelsey-Hayes Company Method of forming and subsequently heat treating articles of near net shaped from powder metal
US4244432A (en) * 1978-06-08 1981-01-13 Christensen, Inc. Earth-boring drill bits
US4233720A (en) * 1978-11-30 1980-11-18 Kelsey-Hayes Company Method of forming and ultrasonic testing articles of near net shape from powder metal
US4221270A (en) * 1978-12-18 1980-09-09 Smith International, Inc. Drag bit
US4252202A (en) * 1979-08-06 1981-02-24 Purser Sr James A Drill bit
US4341557A (en) * 1979-09-10 1982-07-27 Kelsey-Hayes Company Method of hot consolidating powder with a recyclable container material
US4526748A (en) * 1980-05-22 1985-07-02 Kelsey-Hayes Company Hot consolidation of powder metal-floating shaping inserts
US4484644A (en) * 1980-09-02 1984-11-27 Ingersoll-Rand Company Sintered and forged article, and method of forming same
JPS5839707A (en) * 1981-09-01 1983-03-08 Kobe Steel Ltd High density sintering method for powder molding
US4547337A (en) * 1982-04-28 1985-10-15 Kelsey-Hayes Company Pressure-transmitting medium and method for utilizing same to densify material
US4597730A (en) * 1982-09-20 1986-07-01 Kelsey-Hayes Company Assembly for hot consolidating materials
US4596694A (en) * 1982-09-20 1986-06-24 Kelsey-Hayes Company Method for hot consolidating materials
US4499048A (en) * 1983-02-23 1985-02-12 Metal Alloys, Inc. Method of consolidating a metallic body
US4562990A (en) * 1983-06-06 1986-01-07 Rose Robert H Die venting apparatus in molding of thermoset plastic compounds
US4889017A (en) * 1984-07-19 1989-12-26 Reed Tool Co., Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
US4656002A (en) * 1985-10-03 1987-04-07 Roc-Tec, Inc. Self-sealing fluid die
US4682663A (en) * 1986-02-18 1987-07-28 Reed Tool Company Mounting means for cutting elements in drag type rotary drill bit
US4830123A (en) * 1986-02-18 1989-05-16 Reed Tool Company Mounting means for cutting elements in drag type rotary drill bit
US4744943A (en) * 1986-12-08 1988-05-17 The Dow Chemical Company Process for the densification of material preforms
US5090491A (en) * 1987-10-13 1992-02-25 Eastman Christensen Company Earth boring drill bit with matrix displacing material
US4884477A (en) * 1988-03-31 1989-12-05 Eastman Christensen Company Rotary drill bit with abrasion and erosion resistant facing
US4838366A (en) * 1988-08-30 1989-06-13 Jones A Raymond Drill bit
US5147001A (en) * 1990-03-06 1992-09-15 Norton Company Drill bit cutting array having discontinuities therein
US5232522A (en) * 1991-10-17 1993-08-03 The Dow Chemical Company Rapid omnidirectional compaction process for producing metal nitride, carbide, or carbonitride coating on ceramic substrate
US5560440A (en) * 1993-02-12 1996-10-01 Baker Hughes Incorporated Bit for subterranean drilling fabricated from separately-formed major components
US6073518A (en) * 1996-09-24 2000-06-13 Baker Hughes Incorporated Bit manufacturing method
US5589268A (en) * 1995-02-01 1996-12-31 Kennametal Inc. Matrix for a hard composite
US5816699A (en) * 1997-06-13 1998-10-06 Entek Manufacturing Inc. Twin screw extruder barrel with an easily removable seamless insert having a wear and corrosion resistant lining
US6454030B1 (en) * 1999-01-25 2002-09-24 Baker Hughes Incorporated Drill bits and other articles of manufacture including a layer-manufactured shell integrally secured to a cast structure and methods of fabricating same
US6536543B2 (en) * 2000-12-06 2003-03-25 Baker Hughes Incorporated Rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles
US6599345B2 (en) * 2001-10-02 2003-07-29 Eaton Corporation Powder metal valve guide
US7556668B2 (en) * 2001-12-05 2009-07-07 Baker Hughes Incorporated Consolidated hard materials, methods of manufacture, and applications
US6782958B2 (en) * 2002-03-28 2004-08-31 Smith International, Inc. Hardfacing for milled tooth drill bits
US20050211475A1 (en) * 2004-04-28 2005-09-29 Mirchandani Prakash K Earth-boring bits
US7373997B2 (en) * 2005-02-18 2008-05-20 Smith International, Inc. Layered hardfacing, durable hardfacing for drill bits
US7807099B2 (en) * 2005-11-10 2010-10-05 Baker Hughes Incorporated Method for forming earth-boring tools comprising silicon carbide composite materials
US7802495B2 (en) * 2005-11-10 2010-09-28 Baker Hughes Incorporated Methods of forming earth-boring rotary drill bits
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US7871133B2 (en) * 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001061142A1 (en) * 2000-02-15 2001-08-23 Kennametal Inc. Drill bit, hard member, and bit body
US20070102199A1 (en) * 2005-11-10 2007-05-10 Smith Redd H Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
US20070251732A1 (en) * 2006-04-27 2007-11-01 Tdy Industries, Inc. Modular Fixed Cutter Earth-Boring Bits, Modular Fixed Cutter Earth-Boring Bit Bodies, and Related Methods

Also Published As

Publication number Publication date
WO2009152194A2 (en) 2009-12-17
EP2307659A2 (en) 2011-04-13
US20090301788A1 (en) 2009-12-10
RU2010154503A (en) 2012-07-20
WO2009152194A4 (en) 2010-05-14
WO2009152194A3 (en) 2010-03-25

Similar Documents

Publication Publication Date Title
EP2307659A4 (en) Composite metal, cemented carbide bit construction
EP1877595A4 (en) Cutting tool insert, solid end mill or drill coated with wear resistant layer.
SE0701028L (en) Notch
WO2008105915A3 (en) Thick pointed superhard material
PL2129809T3 (en) Wear resistant hard coating for a workpiece and method for producing the same
GB201100717D0 (en) Infiltrated, machined carbide drill bit body
IL174389A (en) Cutting tool inserts coated with metal oxide and methods for the preparation thereof
WO2011017607A3 (en) Highly wear resistant diamond insert with improved transition structure
IL175135A0 (en) Cutting tool with wear resistant coating and method of making the same
GB2483157B (en) Wear part
EP2342367A4 (en) A coated tool and a method of making thereof
WO2011017592A3 (en) Diamond transition layer construction with improved thickness ratio
WO2011084213A3 (en) Process of applying hard-facing alloys having improved crack resistance and tools manufactured therefrom
BRPI1009761A2 (en) carbide body, tool insert for cutting, machining, drilling or otherwise forming or degrading a workpiece, or other body, tool, and method for making a carbide body.
EP2160260A4 (en) Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same
WO2008091406A3 (en) Lubricant-hard-ductile nanocomposite coatings and methods of making
PL392481A1 (en) Crushing or digging tool with the insert made of cemented tungsten carbide and a ring, machine to remove material containing such a tool and a method for producing such a tool
MX2009006658A (en) A hardfacing material for hardfacing earth boring bits used in abrasive wear environments and a method of manufacturing the same.
HK1157824A1 (en) Composite tooth for working the ground or rock
IL187747A0 (en) Cemented carbide endmilling tool
IL186533A0 (en) Cemented carbide cutting tool
ATE517223T1 (en) DRILL BIT NOZZLE ASSEMBLY, INSERT ASSEMBLY CONTAINING SAME, AND METHOD OF MAKING OR REFITTING A STEEL BODY CHILL FOR USE WITH THE INSERT ASSEMBLY
MX347554B (en) Thread rolling die.
SE0601950L (en) Coated cutting tool
WO2011124542A3 (en) Dispersion, method for producing same, and use thereof

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

17P Request for examination filed

Effective date: 20101125

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130708

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 1/05 20060101ALI20130702BHEP

Ipc: E21B 10/46 20060101AFI20130702BHEP

Ipc: C22C 29/00 20060101ALI20130702BHEP

Ipc: B22F 3/14 20060101ALI20130702BHEP

Ipc: E21B 10/54 20060101ALI20130702BHEP

Ipc: C22C 29/10 20060101ALI20130702BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140205