IT7821142A0 - Procedimento per la costruzione di una testa perforatrice provvista di elementi duri resistenti all'usura, e di una testa perforatrice costruita secondo detto procedimento. - Google Patents

Procedimento per la costruzione di una testa perforatrice provvista di elementi duri resistenti all'usura, e di una testa perforatrice costruita secondo detto procedimento.

Info

Publication number
IT7821142A0
IT7821142A0 IT7821142A IT2114278A IT7821142A0 IT 7821142 A0 IT7821142 A0 IT 7821142A0 IT 7821142 A IT7821142 A IT 7821142A IT 2114278 A IT2114278 A IT 2114278A IT 7821142 A0 IT7821142 A0 IT 7821142A0
Authority
IT
Italy
Prior art keywords
procedure
drilling head
wear
construction
constructed according
Prior art date
Application number
IT7821142A
Other languages
English (en)
Other versions
IT1109823B (it
Inventor
Bertil Van Nederveen Hans
Original Assignee
Skf Ind Trading & Dev
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 Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev
Publication of IT7821142A0 publication Critical patent/IT7821142A0/it
Application granted granted Critical
Publication of IT1109823B publication Critical patent/IT1109823B/it

Links

Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
IT21142/78A 1977-03-25 1978-03-13 Procedimento per la costruzione di una testa perforatrice provvista di elementi duri resistenti all'usura,e di una testa perforatrice costruita secondo detto procedimento IT1109823B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7703234A NL7703234A (nl) 1977-03-25 1977-03-25 Werkwijze voor het vervaardigen van een boorkop voorzien van harde slijtvaste elementen, als- mede boorkop vervaardigd volgens de werkwijze.

Publications (2)

Publication Number Publication Date
IT7821142A0 true IT7821142A0 (it) 1978-03-13
IT1109823B IT1109823B (it) 1985-12-23

Family

ID=19828236

Family Applications (2)

Application Number Title Priority Date Filing Date
IT7819759A IT7819759A0 (it) 1977-03-25 1978-01-30 Elettropompa raffreddata a liquido.
IT21142/78A IT1109823B (it) 1977-03-25 1978-03-13 Procedimento per la costruzione di una testa perforatrice provvista di elementi duri resistenti all'usura,e di una testa perforatrice costruita secondo detto procedimento

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT7819759A IT7819759A0 (it) 1977-03-25 1978-01-30 Elettropompa raffreddata a liquido.

Country Status (12)

Country Link
US (2) US4276788A (it)
JP (1) JPS53119488A (it)
AU (1) AU515427B2 (it)
BR (1) BR7801796A (it)
CA (1) CA1124708A (it)
DE (1) DE2812590A1 (it)
FR (1) FR2384574A1 (it)
GB (1) GB1597678A (it)
IT (2) IT7819759A0 (it)
NL (1) NL7703234A (it)
SE (1) SE7802965L (it)
ZA (1) ZA781327B (it)

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NL7908745A (nl) * 1979-12-04 1981-07-01 Skf Ind Trading & Dev Werkwijze voor het vervaardigen van een voorwerp, waarop door thermisch opspuiten een buitenlaag wordt aangebracht en voorwerp, in het bijzonder een boor- beitel, verkregen volgens deze werkwijze.
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US4497520A (en) * 1983-04-29 1985-02-05 Gte Products Corporation Rotatable cutting bit
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US4554130A (en) * 1984-10-01 1985-11-19 Cdp, Ltd. Consolidation of a part from separate metallic components
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ZA93584B (en) * 1992-05-27 1993-09-01 De Beers Ind Diamond Abrasive tools.
DE4431563A1 (de) * 1994-09-05 1996-03-07 Kloeckner Humboldt Deutz Ag Verschleißfeste Oberflächenpanzerung für die Walzen von Hochdruck-Walzenpressen zur Druckzerkleinerung körnigen Gutes (Unterlagen zu P 44 44 337.4 gegeben)
US5662183A (en) * 1995-08-15 1997-09-02 Smith International, Inc. High strength matrix material for PDC drag bits
US6170576B1 (en) * 1995-09-22 2001-01-09 Weatherford/Lamb, Inc. Mills for wellbore operations
US5967248A (en) * 1997-10-14 1999-10-19 Camco International Inc. Rock bit hardmetal overlay and process of manufacture
DE19821147C2 (de) * 1998-05-12 2002-02-07 Betek Bergbau & Hartmetall Rundschaftmeißel
US7815616B2 (en) 2002-09-16 2010-10-19 Boehringer Technologies, L.P. Device for treating a wound
US20050211475A1 (en) 2004-04-28 2005-09-29 Mirchandani Prakash K Earth-boring bits
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
US20060024140A1 (en) * 2004-07-30 2006-02-02 Wolff Edward C Removable tap chasers and tap systems including the same
US20060237236A1 (en) * 2005-04-26 2006-10-26 Harold Sreshta Composite structure having a non-planar interface and method of making same
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
EP2327856B1 (en) 2006-04-27 2016-06-08 Kennametal Inc. Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods
CN102764893B (zh) 2006-10-25 2015-06-17 肯纳金属公司 具有改进的抗热开裂性的制品
US8790439B2 (en) 2008-06-02 2014-07-29 Kennametal Inc. Composite sintered powder metal articles
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
RU2012155101A (ru) 2010-05-20 2014-06-27 Бейкер Хьюз Инкорпорейтед Способы формирования по меньшей мере части бурильного инструмента
WO2011146752A2 (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
CA2799911A1 (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
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

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US2152738A (en) * 1936-04-17 1939-04-04 Champion Spark Plug Co Method of and apparatus for molding materials
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FR1398900A (fr) * 1964-04-02 1965-05-14 Precidia Procédé de fabrication d'outils diamantés, plus spécialement pour le forage, et outils obtenus par le procédé
US3318399A (en) * 1965-03-22 1967-05-09 Exxon Production Research Co Diamond bits and similar tools
US3389761A (en) * 1965-12-06 1968-06-25 Dresser Ind Drill bit and inserts therefor
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US3997011A (en) * 1975-05-27 1976-12-14 Staroba Otto R Button drill bit structure
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Also Published As

Publication number Publication date
IT1109823B (it) 1985-12-23
ZA781327B (en) 1979-02-28
NL7703234A (nl) 1978-09-27
GB1597678A (en) 1981-09-09
FR2384574A1 (fr) 1978-10-20
CA1124708A (en) 1982-06-01
FR2384574B1 (it) 1982-12-03
SE7802965L (sv) 1978-09-26
AU515427B2 (en) 1981-04-02
BR7801796A (pt) 1978-10-24
AU3377478A (en) 1979-09-06
IT7819759A0 (it) 1978-01-30
US4520882A (en) 1985-06-04
JPS53119488A (en) 1978-10-18
DE2812590A1 (de) 1978-09-28
US4276788A (en) 1981-07-07

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