ITTO950930A0 - - Google Patents

Info

Publication number
ITTO950930A0
ITTO950930A0 ITTO950930A ITTO950930A ITTO950930A0 IT TO950930 A0 ITTO950930 A0 IT TO950930A0 IT TO950930 A ITTO950930 A IT TO950930A IT TO950930 A ITTO950930 A IT TO950930A IT TO950930 A0 ITTO950930 A0 IT TO950930A0
Authority
IT
Italy
Application number
ITTO950930A
Other languages
Italian (it)
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 filed Critical
Publication of ITTO950930A0 publication Critical patent/ITTO950930A0/it
Publication of ITTO950930A1 publication Critical patent/ITTO950930A1/it
Application granted granted Critical
Publication of IT1281036B1 publication Critical patent/IT1281036B1/it

Links

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
    • B22F1/14—Treatment of metallic powder
    • B22F1/148—Agglomerating
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
    • B23K35/327—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C comprising refractory compounds, e.g. carbides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • 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
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • 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
    • B22F1/12—Metallic powder containing non-metallic particles
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Plasma & Fusion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Powder Metallurgy (AREA)
IT95TO000930A 1994-11-21 1995-11-20 Composizione migliorata di riporto duro per punte di trivellazione del suolo IT1281036B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/343,005 US5663512A (en) 1994-11-21 1994-11-21 Hardfacing composition for earth-boring bits

Publications (3)

Publication Number Publication Date
ITTO950930A0 true ITTO950930A0 (enExample) 1995-11-20
ITTO950930A1 ITTO950930A1 (it) 1997-05-20
IT1281036B1 IT1281036B1 (it) 1998-02-11

Family

ID=23344277

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95TO000930A IT1281036B1 (it) 1994-11-21 1995-11-20 Composizione migliorata di riporto duro per punte di trivellazione del suolo

Country Status (5)

Country Link
US (2) US5663512A (enExample)
CA (1) CA2161464C (enExample)
GB (1) GB2295157B (enExample)
IT (1) IT1281036B1 (enExample)
MX (1) MXPA95004730A (enExample)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311085B (en) * 1996-03-12 2000-03-08 Smith International Rock bit with hardfacing material incorporating spherical cast carbide particles
CA2207579A1 (fr) * 1997-05-28 1998-11-28 Paul Caron Piece frittee a surface anti-abrasive et procede pour sa realisation
US5967248A (en) * 1997-10-14 1999-10-19 Camco International Inc. Rock bit hardmetal overlay and process of manufacture
US6124564A (en) * 1998-01-23 2000-09-26 Smith International, Inc. Hardfacing compositions and hardfacing coatings formed by pulsed plasma-transferred arc
US6206115B1 (en) 1998-08-21 2001-03-27 Baker Hughes Incorporated Steel tooth bit with extra-thick hardfacing
US6253862B1 (en) * 1999-02-03 2001-07-03 Baker Hughes Incorporated Earth-boring bit with cutter spear point hardfacing
US6248149B1 (en) 1999-05-11 2001-06-19 Baker Hughes Incorporated Hardfacing composition for earth-boring bits using macrocrystalline tungsten carbide and spherical cast carbide
US6460631B2 (en) * 1999-08-26 2002-10-08 Baker Hughes Incorporated Drill bits with reduced exposure of cutters
US6360832B1 (en) 2000-01-03 2002-03-26 Baker Hughes Incorporated Hardfacing with multiple grade layers
US9482055B2 (en) 2000-10-11 2016-11-01 Smith International, Inc. Methods for modeling, designing, and optimizing the performance of drilling tool assemblies
US7464013B2 (en) * 2000-03-13 2008-12-09 Smith International, Inc. Dynamically balanced cutting tool system
US6349780B1 (en) 2000-08-11 2002-02-26 Baker Hughes Incorporated Drill bit with selectively-aggressive gage pads
US6651756B1 (en) 2000-11-17 2003-11-25 Baker Hughes Incorporated Steel body drill bits with tailored hardfacing structural elements
GB2374885B (en) * 2001-04-27 2003-05-14 Smith International Method for hardfacing roller cone drill bit legs using a D-gun hardfacing application technique
US6615935B2 (en) 2001-05-01 2003-09-09 Smith International, Inc. Roller cone bits with wear and fracture resistant surface
DE10130860C2 (de) 2001-06-28 2003-05-08 Woka Schweistechnik Gmbh Verfahren zur Herstellung von sphäroidischen Sinterpartikeln und Sinterpartikel
DE10157079C5 (de) * 2001-07-06 2013-08-14 Woka Schweisstechnik Gmbh Matrixpulver zur Herstellung von Körpern bzw. Bauteilen für Verschleißschutzanwendungen sowie ein daraus hergestelltes Bauteil
US6682580B2 (en) 2001-06-28 2004-01-27 Woka Schweisstechnik Gmbh Matrix powder for the production of bodies or components for wear-resistant applications and a component produced therefrom
US6659199B2 (en) 2001-08-13 2003-12-09 Baker Hughes Incorporated Bearing elements for drill bits, drill bits so equipped, and method of drilling
US6659206B2 (en) 2001-10-29 2003-12-09 Smith International, Inc. Hardfacing composition for rock bits
US6541124B1 (en) 2001-11-13 2003-04-01 Rhino Metals, Inc. Drill resistant hard plate
US7036611B2 (en) * 2002-07-30 2006-05-02 Baker Hughes Incorporated Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
US6766870B2 (en) 2002-08-21 2004-07-27 Baker Hughes Incorporated Mechanically shaped hardfacing cutting/wear structures
US7250069B2 (en) 2002-09-27 2007-07-31 Smith International, Inc. High-strength, high-toughness matrix bit bodies
RU2237742C2 (ru) * 2002-11-21 2004-10-10 Общество с ограниченной ответственностью "Биттехника" Композиционный материал для режущего инструмента
US6923276B2 (en) 2003-02-19 2005-08-02 Baker Hughes Incorporated Streamlined mill-toothed cone for earth boring bit
US7140567B1 (en) * 2003-03-11 2006-11-28 Primet Precision Materials, Inc. Multi-carbide material manufacture and use as grinding media
US7578457B2 (en) * 2003-03-11 2009-08-25 Primet Precision Materials, Inc. Method for producing fine dehydrided metal particles using grinding media
GB2401114B (en) * 2003-05-02 2005-10-19 Smith International Compositions having enhanced wear resistance
WO2005030667A2 (en) * 2003-05-23 2005-04-07 Kennametal Inc. A wear-resistant member having a hard composite comprising hard constituents held in an infiltrant matrix
US20040234820A1 (en) * 2003-05-23 2004-11-25 Kennametal Inc. Wear-resistant member having a hard composite comprising hard constituents held in an infiltrant matrix
RU2260503C1 (ru) * 2004-02-11 2005-09-20 Общество с ограниченной ответственностью "Биттехника" Способ нанесения покрытия наплавкой припоя на поверхность конструкционной стали
US9441476B2 (en) * 2004-03-04 2016-09-13 Halliburton Energy Services, Inc. Multiple distributed pressure measurements
WO2005086853A2 (en) * 2004-03-10 2005-09-22 Primet Precision Materials, Inc. Multi-carbide material manufacture and methods of use
US7360608B2 (en) 2004-09-09 2008-04-22 Baker Hughes Incorporated Rotary drill bits including at least one substantially helically extending feature and methods of operation
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
WO2007044871A2 (en) * 2005-10-11 2007-04-19 Baker Hughes Incorporated System, method, and apparatus for enhancing the durability of earth-boring
US20070098803A1 (en) 2005-10-27 2007-05-03 Primet Precision Materials, Inc. Small particle compositions and associated methods
RU2008123391A (ru) * 2005-11-15 2009-12-27 Бейкер Хьюз Инкорпорейтед (Us) Материалы для повышения прочности поверхности с высокими удовлетворяющими техническим условиям характеристиками
US8141665B2 (en) 2005-12-14 2012-03-27 Baker Hughes Incorporated Drill bits with bearing elements for reducing exposure of cutters
WO2008027484A1 (en) 2006-08-30 2008-03-06 Baker Hughes Incorporated Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures
RU2009115956A (ru) * 2006-09-29 2010-11-10 Бейкер Хьюз Инкорпорейтед (Us) Абразивные износостойкие материалы для твердосплавного упрочнения, буровые долота и бурильный инструмент, включающие такие материалы, и способы нанесения на них этих материалов
RU2347000C2 (ru) * 2006-10-10 2009-02-20 ООО "БИТТЕХНИКА" Общество с ограниченной ответственностью "БИТТЕХНИКА" Способ изготовления прутка из твердосплавного композиционного материала для напайки на поверхность режущего инструмента
US8657039B2 (en) 2006-12-04 2014-02-25 Baker Hughes Incorporated Restriction element trap for use with an actuation element of a downhole apparatus and method of use
US7814997B2 (en) 2007-06-14 2010-10-19 Baker Hughes Incorporated Interchangeable bearing blocks for drill bits, and drill bits including same
US20090065260A1 (en) * 2007-09-12 2009-03-12 Baker Hughes Incorporated Hardfacing containing fullerenes for subterranean tools and methods of making
US8252225B2 (en) 2009-03-04 2012-08-28 Baker Hughes Incorporated Methods of forming erosion-resistant composites, methods of using the same, and earth-boring tools utilizing the same in internal passageways
US7828089B2 (en) * 2007-12-14 2010-11-09 Baker Hughes Incorporated Erosion resistant fluid passageways and flow tubes for earth-boring tools, methods of forming the same and earth-boring tools including the same
AU2008350061B2 (en) 2008-02-08 2014-09-04 Technogenia Method and device for manufacturing a down hole motor radial bearing
WO2010002629A2 (en) * 2008-07-02 2010-01-07 Baker Hughes Incorporated Method to reduce carbide erosion of pdc cutter
US8136384B2 (en) * 2008-08-13 2012-03-20 National Oilwell Varco, L.P. Hardband wear testing system and method
WO2010033742A2 (en) 2008-09-18 2010-03-25 Baker Hughes Incorporated Method and apparatus for the automated application of hardfacing material to rolling cutters of earth-boring bits
US9439277B2 (en) 2008-10-23 2016-09-06 Baker Hughes Incorporated Robotically applied hardfacing with pre-heat
US8450637B2 (en) 2008-10-23 2013-05-28 Baker Hughes Incorporated Apparatus for automated application of hardfacing material to drill bits
WO2010053710A2 (en) 2008-10-29 2010-05-14 Baker Hughes Incorporated Method and apparatus for robotic welding of drill bits
US8220566B2 (en) * 2008-10-30 2012-07-17 Baker Hughes Incorporated Carburized monotungsten and ditungsten carbide eutectic particles, materials and earth-boring tools including such particles, and methods of forming such particles, materials, and tools
CA2743574C (en) * 2008-11-21 2017-01-17 Keith D. Fischer Abrasion resistant track shoe grouser
JP5540005B2 (ja) * 2008-11-21 2014-07-02 キャタピラー インコーポレイテッド 耐摩耗性複合材
BRPI0923809A2 (pt) 2008-12-31 2015-07-14 Baker Hughes Inc Método e aparelho para aplicação automatizada de material de revestimento duro em cortadores rolantes de brocas de perfuração de terra tipo híbridas, brocas híbridas compreendendo tais elementos de corte de dentes de aço com revestimento duro, e métodos de uso das mesmas
US20100175926A1 (en) * 2009-01-15 2010-07-15 Baker Hughes Incorporated Roller cones having non-integral cutting structures, drill bits including such cones, and methods of forming same
EP2408993A4 (en) * 2009-03-03 2014-04-09 Baker Hughes Inc CHIP DEFLECTOR ON BACKHOE RAME BLADE AND ASSOCIATED METHODS
WO2010108178A1 (en) * 2009-03-20 2010-09-23 Smith International, Inc. Hardfacing compositions, methods of applying the hardfacing compositions, and tools using such hardfacing compositions
US8943663B2 (en) * 2009-04-15 2015-02-03 Baker Hughes Incorporated Methods of forming and repairing cutting element pockets in earth-boring tools with depth-of-cut control features, and tools and structures formed by such methods
WO2010126817A2 (en) * 2009-04-30 2010-11-04 Baker Hughes Incorporated Bearing blocks for drill bits, drill bit assemblies including bearing blocks and related methods
US8079428B2 (en) 2009-07-02 2011-12-20 Baker Hughes Incorporated Hardfacing materials including PCD particles, welding rods and earth-boring tools including such materials, and methods of forming and using same
US8297381B2 (en) 2009-07-13 2012-10-30 Baker Hughes Incorporated Stabilizer subs for use with expandable reamer apparatus, expandable reamer apparatus including stabilizer subs and related methods
US9309723B2 (en) * 2009-10-05 2016-04-12 Baker Hughes Incorporated Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of directional and off center drilling
SA111320374B1 (ar) 2010-04-14 2015-08-10 بيكر هوغيس انكوبوريتد طريقة تشكيل الماسة متعدد البلورات من الماس المستخرج بحجم النانو
US8834786B2 (en) * 2010-06-30 2014-09-16 Kennametal Inc. Carbide pellets for wear resistant applications
GB2497215B (en) 2010-07-23 2017-04-26 Baker Hughes Inc Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
US20120192760A1 (en) * 2011-01-28 2012-08-02 Baker Hughes Incorporated Non-magnetic hardfacing material
US9303305B2 (en) 2011-01-28 2016-04-05 Baker Hughes Incorporated Non-magnetic drill string member with non-magnetic hardfacing and method of making the same
US9435158B2 (en) * 2011-10-14 2016-09-06 Varel International Ind., L.P Use of tungsten carbide tube rod to hard-face PDC matrix
DE102011117042B4 (de) * 2011-10-27 2019-02-21 H. C. Starck Tungsten GmbH Verfahren zur Herstellung eines Bauteils umfassend das Sintern einer Hartmetallzusammensetzung
US9140072B2 (en) 2013-02-28 2015-09-22 Baker Hughes Incorporated Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements
US9112398B2 (en) 2013-06-25 2015-08-18 Baker Hughes Incorporated Nitrogen- and ceramic-surface-treated components for downhole motors and related methods
WO2017100733A1 (en) 2015-12-11 2017-06-15 Smith International, Inc. Hardfacing material compositions
CN110753779B (zh) 2017-05-01 2022-10-21 欧瑞康美科（美国）公司 钻孔钻头、制造钻孔钻头的主体的方法、金属基质复合物以及制造金属基质复合物的方法
US10807098B1 (en) 2017-07-26 2020-10-20 Pearson Incorporated Systems and methods for step grinding
ES2947357T3 (es) 2018-03-27 2023-08-07 Sandvik Mining And Construction Tools Ab Inserto de perforación de rocas
US10757860B1 (en) 2019-10-31 2020-09-01 Hemp Processing Solutions, LLC Stripper apparatus crop harvesting system
US10933424B1 (en) 2019-12-11 2021-03-02 Pearson Incorporated Grinding roll improvements

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2033594A (en) * 1931-09-24 1936-03-10 Stoody Co Scarifier tooth
US2407642A (en) * 1945-11-23 1946-09-17 Hughes Tool Co Method of treating cutter teeth
US2660405A (en) * 1947-07-11 1953-11-24 Hughes Tool Co Cutting tool and method of making
US3260579A (en) * 1962-02-14 1966-07-12 Hughes Tool Co Hardfacing structure
US3158214A (en) * 1962-03-15 1964-11-24 Hughes Tool Co Shirttail hardfacing
GB1070039A (en) * 1963-11-07 1967-05-24 Eutectic Welding Alloys Improved heterogeneous facing composition
US3800891A (en) * 1968-04-18 1974-04-02 Hughes Tool Co Hardfacing compositions and gage hardfacing on rolling cutter rock bits
US3768984A (en) * 1972-04-03 1973-10-30 Buell E Welding rods
US3989554A (en) * 1973-06-18 1976-11-02 Hughes Tool Company Composite hardfacing of air hardening steel and particles of tungsten carbide
US4043611A (en) * 1976-02-27 1977-08-23 Reed Tool Company Hard surfaced well tool and method of making same
US4262761A (en) * 1979-10-05 1981-04-21 Dresser Industries, Inc. Long-life milled tooth cutting structure
US4611673A (en) * 1980-03-24 1986-09-16 Reed Rock Bit Company Drill bit having offset roller cutters and improved nozzles
US4455278A (en) * 1980-12-02 1984-06-19 Skf Industrial Trading & Development Company, B.V. Method for producing an object on which an exterior layer is applied by thermal spraying and object, in particular a drill bit, obtained pursuant to this method
CH647818A5 (de) * 1980-12-05 1985-02-15 Castolin Sa Pulverfoermiger beschichtungswerkstoff zum thermischen beschichten von werkstuecken.
US4414029A (en) * 1981-05-20 1983-11-08 Kennametal Inc. Powder mixtures for wear resistant facings and products produced therefrom
US4666797A (en) * 1981-05-20 1987-05-19 Kennametal Inc. Wear resistant facings for couplings
US4499958A (en) * 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
US4630692A (en) * 1984-07-23 1986-12-23 Cdp, Ltd. Consolidation of a drilling element from separate metallic components
US4597456A (en) * 1984-07-23 1986-07-01 Cdp, Ltd. Conical cutters for drill bits, and processes to produce same
US4562892A (en) * 1984-07-23 1986-01-07 Cdp, Ltd. Rolling cutters for drill bits
US4781770A (en) * 1986-03-24 1988-11-01 Smith International, Inc. Process for laser hardfacing drill bit cones having hard cutter inserts
GB8611448D0 (en) * 1986-05-10 1986-06-18 Nl Petroleum Prod Rotary drill bits
US4726432A (en) * 1987-07-13 1988-02-23 Hughes Tool Company-Usa Differentially hardfaced rock bit
US4944774A (en) * 1987-12-29 1990-07-31 Smith International, Inc. Hard facing for milled tooth rock bits
US4836307A (en) * 1987-12-29 1989-06-06 Smith International, Inc. Hard facing for milled tooth rock bits
US4884477A (en) * 1988-03-31 1989-12-05 Eastman Christensen Company Rotary drill bit with abrasion and erosion resistant facing
US5051112A (en) * 1988-06-29 1991-09-24 Smith International, Inc. Hard facing
DE3835234A1 (de) * 1988-10-15 1990-04-19 Woka Schweisstechnik Gmbh Verfahren zur herstellung von wolframschmelzcarbid-kugeln
US5038640A (en) * 1990-02-08 1991-08-13 Hughes Tool Company Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits
GB2253642B (en) * 1991-03-11 1995-08-09 Dresser Ind Method of manufacturing a rolling cone cutter
US5152194A (en) * 1991-04-24 1992-10-06 Smith International, Inc. Hardfaced mill tooth rotary cone rock bit
US5492186A (en) * 1994-09-30 1996-02-20 Baker Hughes Incorporated Steel tooth bit with a bi-metallic gage hardfacing

Also Published As

Publication number Publication date
USRE37127E1 (en) 2001-04-10
ITTO950930A1 (it) 1997-05-20
GB9522528D0 (en) 1996-01-03
CA2161464A1 (en) 1996-05-22
CA2161464C (en) 2001-02-20
US5663512A (en) 1997-09-02
GB2295157A (en) 1996-05-22
GB2295157B (en) 1998-07-08
IT1281036B1 (it) 1998-02-11
MXPA95004730A (es) 2004-03-11

Similar Documents

Publication Publication Date Title
DK105996A (enExample)
ITTO950930A0 (enExample)
EP0666525A3 (enExample)
BRPI9507160A (enExample)
EP0671407A3 (enExample)
EP0671446A3 (enExample)
EP0670326A3 (enExample)
BR7402097U (enExample)
EP0662420A3 (enExample)
ECSMU940030U (enExample)
ECSDI940203S (enExample)
ECSDI940198S (enExample)
ECSDI940194S (enExample)
CU22453A3 (enExample)
ECSDI940192S (enExample)
DK40195A (enExample)
ECSDI940182S (enExample)
ECSDI940184S (enExample)
ECSDI940187S (enExample)
CN3029189S (enExample)
EP0667464A3 (enExample)
CN3028012S (enExample)
CN3028520S (enExample)
CN3028493S (enExample)
CN3027523S (enExample)

Legal Events

Date Code Title Description
0001 Granted