DE69622404T2 - Bohrhammerkrone, einsatz, verwendung dieses einsatzes und verfahren zur erhaltung des durchmessers dieser bohrkrone - Google Patents

Bohrhammerkrone, einsatz, verwendung dieses einsatzes und verfahren zur erhaltung des durchmessers dieser bohrkrone

Info

Publication number
DE69622404T2
DE69622404T2 DE69622404T DE69622404T DE69622404T2 DE 69622404 T2 DE69622404 T2 DE 69622404T2 DE 69622404 T DE69622404 T DE 69622404T DE 69622404 T DE69622404 T DE 69622404T DE 69622404 T2 DE69622404 T2 DE 69622404T2
Authority
DE
Germany
Prior art keywords
insert
drill bit
maintaining
diameter
crown
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.)
Expired - Lifetime
Application number
DE69622404T
Other languages
English (en)
Other versions
DE69622404D1 (de
Inventor
Jan-Gunnar Hedlund
Bengt Asberg
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.)
Sandvik Intellectual Property AB
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.)
Filing date
Publication date
Application filed by Sandvik AB filed Critical Sandvik AB
Publication of DE69622404D1 publication Critical patent/DE69622404D1/de
Application granted granted Critical
Publication of DE69622404T2 publication Critical patent/DE69622404T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • E21B10/36—Percussion drill bits
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
DE69622404T 1995-05-26 1996-05-14 Bohrhammerkrone, einsatz, verwendung dieses einsatzes und verfahren zur erhaltung des durchmessers dieser bohrkrone Expired - Lifetime DE69622404T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/452,136 US5575342A (en) 1995-05-26 1995-05-26 Percussion drill bit, an insert for use therein and a method of drilling a bore
PCT/SE1996/000622 WO1996037679A1 (en) 1995-05-26 1996-05-14 Percussion drill bit, an insert, a use and a method of maintaining the drill bit diameter

Publications (2)

Publication Number Publication Date
DE69622404D1 DE69622404D1 (de) 2002-08-22
DE69622404T2 true DE69622404T2 (de) 2003-02-27

Family

ID=23795192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622404T Expired - Lifetime DE69622404T2 (de) 1995-05-26 1996-05-14 Bohrhammerkrone, einsatz, verwendung dieses einsatzes und verfahren zur erhaltung des durchmessers dieser bohrkrone

Country Status (7)

Country Link
US (1) US5575342A (de)
EP (1) EP0828916B1 (de)
JP (1) JP3667763B2 (de)
AU (1) AU712341B2 (de)
CA (1) CA2218141A1 (de)
DE (1) DE69622404T2 (de)
WO (1) WO1996037679A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743346A (en) * 1996-03-06 1998-04-28 General Electric Company Abrasive cutting element and drill bit
US6390210B1 (en) 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
SE523853C2 (sv) 1997-06-30 2004-05-25 Smith International Borrkrona med stora insatser
SE9803997L (sv) 1998-11-20 2000-05-21 Sandvik Ab En borrkrona och ett stift
US6904984B1 (en) * 2003-06-20 2005-06-14 Rock Bit L.P. Stepped polycrystalline diamond compact insert
US20070267226A1 (en) * 2006-05-11 2007-11-22 Smith International, Inc. Percussion drill bit and method of drilling a borehole
US20090184564A1 (en) * 2008-01-22 2009-07-23 The William J. Brady Loving Trust Pcd percussion drill bit
CN102128008A (zh) * 2011-03-24 2011-07-20 中南大学 聚晶金刚石-硬质合金复合碎岩球齿潜孔钻头及其制造工艺
CN102852463A (zh) * 2012-09-27 2013-01-02 广州市天凿精机机械有限公司 凿岩钻头球齿
JP2014196615A (ja) * 2013-03-29 2014-10-16 三菱マテリアル株式会社 掘削ビット及びこれに用いられる掘削チップ
CN104727752B (zh) * 2013-12-18 2017-12-26 中国石油化工股份有限公司 一种聚晶金刚石复合齿及其制造方法和一种钻头
JP6701742B2 (ja) * 2015-01-14 2020-05-27 三菱マテリアル株式会社 掘削チップおよび掘削ビット

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185228A (en) * 1963-01-21 1965-05-25 Hughes Tool Co Rotary-percussion drill bit with heel row inserts to prevent wedging
US3388756A (en) * 1965-03-29 1968-06-18 Varel Mfg Company Percussion bit
DE2528003A1 (de) * 1975-06-24 1977-01-20 Krupp Gmbh Gesteinsbohrer
SE452636B (sv) * 1983-09-20 1987-12-07 Santrade Ltd Bergborrkrona
DE3544433C2 (de) * 1985-12-16 1995-12-14 Hilti Ag Gesteinsbohrer
CA2036602C (en) * 1990-02-28 2001-04-24 Takeshi Hayashi Excavation tool
SE9002135D0 (sv) * 1990-06-15 1990-06-15 Sandvik Ab Improved tools for percussive and rotary crusching rock drilling provided with a diamond layer
US5379854A (en) * 1993-08-17 1995-01-10 Dennis Tool Company Cutting element for drill bits
US5456329A (en) * 1994-02-16 1995-10-10 Dennis Tool Company Bifurcated drill bit construction

Also Published As

Publication number Publication date
EP0828916A1 (de) 1998-03-18
DE69622404D1 (de) 2002-08-22
JPH11505905A (ja) 1999-05-25
US5575342A (en) 1996-11-19
JP3667763B2 (ja) 2005-07-06
CA2218141A1 (en) 1996-11-28
AU5915596A (en) 1996-12-11
EP0828916B1 (de) 2002-07-17
WO1996037679A1 (en) 1996-11-28
AU712341B2 (en) 1999-11-04

Similar Documents

Publication Publication Date Title
AU1102799A (en) Variable depth medical drill and method of making the same
NO179592C (no) Borkrone samt fremgangsmåte for fremstilling av denne
DE912279T1 (de) Diamantbeschichtetes schneidewerkzeug und dessen herstellungsmethode
DE69714966T2 (de) Antikörper gegen cd 18 zur verwendung gegen gehirnschlag
GB2328466B (en) Method of regulating drilling conditions applied to a well bit
GB2296272B (en) Self-centering polycrystalline diamond drill bit
GB9817825D0 (en) Drill bit and method
EP1030598A4 (de) Chirurgische schablone und verfahren zum bohren und einsetzen dentaler implantate
BR9502857A (pt) Ponteira para perfuração de rocha
DE69735516D1 (de) Informationsempfangsverfahren und dieses benutzende Vorrichtung
DK0763647T3 (da) Styrbart boreværktøj og -system
DE69622404D1 (de) Bohrhammerkrone, einsatz, verwendung dieses einsatzes und verfahren zur erhaltung des durchmessers dieser bohrkrone
DE59912124D1 (de) Wurzelkanalinstrument und verfahren zu dessen herstellung
ATE207783T1 (de) Schneidwerkzeug und einsatz zur verwendung
DE69921533D1 (de) Schleifwerkzeug und Verfahren zur Herstellung desselben
DE69400441D1 (de) Bohrerspitze des Drillbohrertyps
DE69627388D1 (de) Saiteninstrument-wandler und verfahren zu seiner herstellung
AU5473998A (en) Method of oil/gas well stimulation
GB9621072D0 (en) Rock bit body
DE69724230D1 (de) Kernbohrverfahren und kernbohrwerkzeug zur durchführung des verfahrens
AU5329896A (en) Method and tool for use in commencing the drilling of a devi ated well
AU7273996A (en) Teeth prosthesis, method of manufacture thereof and kit useful for the manufacture of the teeth prosthesis
NO965497L (no) Fremgangsmåte for kontrollert fiksering av avleiringsinhibitor i en underjordisk formasjon
EG22580A (en) Method for the quality control of bristles and the use of such bristles
AU3404695A (en) Drilling fluid additives for improved shale stabilization, the drilling fluid formed therefrom and method of using same

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SANDVIK INTELLECTUAL PROPERTY HB, SANDVIKEN, SE

8327 Change in the person/name/address of the patent owner

Owner name: SANDVIK INTELLECTUAL PROPERTY AB, SANDVIKEN, SE