[go: up one dir, main page]

MXPA02007961A - Broca de taladro, miembro duro y cuerpo de broca. - Google Patents

Broca de taladro, miembro duro y cuerpo de broca.

Info

Publication number
MXPA02007961A
MXPA02007961A MXPA02007961A MXPA02007961A MXPA02007961A MX PA02007961 A MXPA02007961 A MX PA02007961A MX PA02007961 A MXPA02007961 A MX PA02007961A MX PA02007961 A MXPA02007961 A MX PA02007961A MX PA02007961 A MXPA02007961 A MX PA02007961A
Authority
MX
Mexico
Prior art keywords
drill bit
bit
bit body
hard member
forward end
Prior art date
Application number
MXPA02007961A
Other languages
English (en)
Inventor
Ted R Massa
Original Assignee
Kennametal 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 Kennametal Inc filed Critical Kennametal Inc
Publication of MXPA02007961A publication Critical patent/MXPA02007961A/es

Links

Classifications

    • 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/75—Stone, rock or concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/20—Number of cutting edges
    • B23B2251/202—Three cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/68—Drills with provision for suction

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Pens And Brushes (AREA)
  • Dowels (AREA)

Abstract

Una broca de taladro giratoria para penetrar las capas de la tierra en donde la broca de taladro incluye un cuerpo de broca de taladro (22) que tiene un extremo axial delantero (24). El cuerpo de broca de taladro tiene una insercion dura (56), que es preferiblemente monolitico, que es fijado al cuerpo de broca del taladro en el extremo axial delantero del mismo. La insercion dura presenta al menos tres discretos bordes de cortado de guia para cortar las capas de la tierra.
MXPA02007961A 2000-02-15 2001-01-26 Broca de taladro, miembro duro y cuerpo de broca. MXPA02007961A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50081300A 2000-02-15 2000-02-15
US09/591,644 US6595305B1 (en) 2000-02-15 2000-06-09 Drill bit, hard member, and bit body
PCT/US2001/002789 WO2001061142A1 (en) 2000-02-15 2001-01-26 Drill bit, hard member, and bit body

Publications (1)

Publication Number Publication Date
MXPA02007961A true MXPA02007961A (es) 2004-04-05

Family

ID=27053650

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02007961A MXPA02007961A (es) 2000-02-15 2001-01-26 Broca de taladro, miembro duro y cuerpo de broca.

Country Status (12)

Country Link
US (1) US6595305B1 (es)
EP (1) EP1255909B8 (es)
CN (1) CN1401044A (es)
AT (1) ATE292739T1 (es)
AU (2) AU3307001A (es)
CA (1) CA2406731C (es)
DE (1) DE60109902T2 (es)
MX (1) MXPA02007961A (es)
PL (1) PL196642B1 (es)
RU (1) RU2002124594A (es)
WO (1) WO2001061142A1 (es)
ZA (1) ZA200206257B (es)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6860344B2 (en) * 2001-06-25 2005-03-01 Kennametal Inc. Monolithic roof cutting bit insert
WO2003025486A2 (en) * 2001-09-14 2003-03-27 Jakobus Lewis Furnace taphole drill
SE521579C2 (sv) † 2002-03-21 2003-11-11 Sandvik Ab Verktyg samt skär för spånavskiljande bearbetning
WO2004027206A1 (en) * 2002-09-20 2004-04-01 Boart Longyear Gmbh & Co Kg Rotary boring bit with cutting insert retaining means
JP3739048B2 (ja) * 2002-11-01 2006-01-25 株式会社ミヤナガ ドリルビット
US6929079B2 (en) * 2003-02-21 2005-08-16 Smith International, Inc. Drill bit cutter element having multiple cusps
US6883624B2 (en) * 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US20060011388A1 (en) * 2003-01-31 2006-01-19 Mohammed Boudrare Drill bit and cutter element having multiple extensions
US7040424B2 (en) * 2003-03-04 2006-05-09 Smith International, Inc. Drill bit and cutter having insert clusters and method of manufacture
SE526676C2 (sv) * 2003-05-20 2005-10-25 Sandvik Intellectual Property Eggbärande borrkropp för långhålsborrning med eggar förfärdigade i ett stycke med borrkroppen
SE0301456D0 (sv) * 2003-05-20 2003-05-20 Sandvik Ab Ett eggbärande borrkropp, och ett förfarande för tillverkning av samt ett borrverktyg innefattande en dylik borrkropp
US6915867B2 (en) * 2003-06-30 2005-07-12 Kennametal Inc. Earth penetrating rotary drill bit with helical ports
SE528020C2 (sv) * 2004-01-14 2006-08-08 Sandvik Intellectual Property Roterbart verktyg för spånavskiljande bearbetning
ITTO20040314A1 (it) * 2004-05-14 2004-08-14 Skf Ab Apparato e metodo per la lavorazione di elementi a sezione trasversale non circolare, particolarmente per giunti assiali di collegamento meccanico e giunti realizzati con tale metodo e apparato
US7168511B2 (en) * 2004-09-24 2007-01-30 Kennametal Inc. Rotary drill bit having cutting insert with a notch
DE102004047469A1 (de) * 2004-09-30 2006-04-06 Robert Bosch Gmbh Bohrwerkzeug mit einem als Platte oder Kopf ausgebildeten Schneidelement
FR2878772A1 (fr) * 2004-12-02 2006-06-09 Diager Sa Plaquette de coupe pour outil de percage rotatif
GB2436025B (en) * 2005-05-17 2008-02-20 Smith International Rolling cone drill bit
US7757789B2 (en) * 2005-06-21 2010-07-20 Smith International, Inc. Drill bit and insert having bladed interface between substrate and coating
US7563060B2 (en) * 2005-10-13 2009-07-21 The Boeing Company Vacuum drilling system
US7624825B2 (en) 2005-10-18 2009-12-01 Smith International, Inc. Drill bit and cutter element having aggressive leading side
US7743855B2 (en) * 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
DE112006003840B4 (de) * 2006-11-30 2021-10-21 Osg Corporation Bohrer
US8205692B2 (en) * 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region
US7798258B2 (en) * 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US7686106B2 (en) * 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US20090112354A1 (en) * 2007-10-30 2009-04-30 Tahany Ibrahim El-Wardany Method of determining optimal parameters for machining a workpiece
US20090301788A1 (en) * 2008-06-10 2009-12-10 Stevens John H Composite metal, cemented carbide bit construction
US7861807B2 (en) * 2008-12-03 2011-01-04 Black & Decker Inc. Drill bit including one piece cutting head
US9139893B2 (en) 2008-12-22 2015-09-22 Baker Hughes Incorporated Methods of forming bodies for earth boring drilling tools comprising molding and sintering techniques
JP4566260B2 (ja) * 2008-12-25 2010-10-20 株式会社森精機製作所 工具内流路を有する工具
US8002054B2 (en) 2009-01-26 2011-08-23 Kennametl Inc. Roof drill bit, roof drill bit body and hard cutting insert for roof drill bit
DE102009003288A1 (de) * 2009-05-20 2010-11-25 Hilti Aktiengesellschaft Bohrer
DE102009003287A1 (de) * 2009-05-20 2010-11-25 Hilti Aktiengesellschaft Bohrer
SE533853C2 (sv) * 2009-06-23 2011-02-08 Sandvik Intellectual Property Borrverktyg för spånavskiljande bearbetning samt löstopp härför
DE102009028020B4 (de) * 2009-07-27 2011-07-28 Hilti Aktiengesellschaft Bohrer und Herstellungsverfahren
US8881847B2 (en) 2010-01-29 2014-11-11 Kennametal Inc. Dust collecting device for a roof tool
KR101346400B1 (ko) * 2010-05-21 2014-01-02 가부시키 가이샤 미야나가 드릴 비트
US8584777B2 (en) 2010-06-04 2013-11-19 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US9109412B2 (en) 2010-06-04 2015-08-18 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
JP5634780B2 (ja) * 2010-07-21 2014-12-03 Dmg森精機株式会社 工作機械の工具
US8567533B2 (en) * 2010-08-17 2013-10-29 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
GB201015541D0 (en) * 2010-09-17 2010-10-27 Element Six Ltd Twist drill assembly
US9080400B1 (en) 2010-11-24 2015-07-14 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US8607899B2 (en) 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
US9010464B2 (en) 2011-05-04 2015-04-21 Dover BMCS Acquistion Corporation Drill bits and drilling apparatuses including the same
DE102011076890A1 (de) * 2011-06-01 2012-12-06 Swg Schraubenwerk Gaisbach Gmbh Bohrer
EP2581157B1 (en) 2011-10-11 2020-04-01 VARGUS Ltd. Cutting tool for grooving and parting operations
USD682325S1 (en) 2012-01-30 2013-05-14 Sandvik Intellectual Property Ab Drill bit
WO2014015140A1 (en) 2012-07-18 2014-01-23 Milwaukee Electric Tool Corporation Power tool accessory
US20140183798A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Manufacture of cutting elements having lobes
DE102013205889B3 (de) 2013-04-03 2014-05-28 Kennametal Inc. Kupplungsteil, insbesondere Schneidkopf für ein Rotationswerkzeug sowie ein derartiges Rotationswerkzeug
FR3004747B1 (fr) * 2013-04-19 2017-11-03 Diager Plaquette de coupe
FR3004746B1 (fr) * 2013-04-19 2015-05-15 Diager Plaquette de coupe
US9347276B2 (en) 2013-04-26 2016-05-24 Kennametal Inc. Two prong rotary drill bit with cutting insert having edge preparation
US9428968B2 (en) 2013-04-26 2016-08-30 Kennametal Inc. Rotary drill bit with cutting insert having edge preparation
US9085947B2 (en) 2013-04-26 2015-07-21 Kennametal Inc. Rotary drill bit with cutting insert for engaging earth strata
US9303511B2 (en) 2013-04-26 2016-04-05 Kennametal Inc. Flat cutter bit with cutting insert having edge preparation
WO2014193785A1 (en) 2013-05-28 2014-12-04 Allied Machine & Engineering Corp. Vacuum drilling system and methods
DE102013110129A1 (de) * 2013-09-13 2015-03-19 Jakob Lach Gmbh & Co. Kg Werkzeuganordnung zur Herstellung von Bohrlöchern in Werkstoffen wie Faserverbundwerkstoffen
ES2667070T3 (es) 2013-09-13 2018-05-09 Irwin Industrial Tool Company Eje para una herramienta de perforación, herramienta de perforación y procedimiento para la fabricación de una herramienta de perforación
DE102013220884B4 (de) 2013-10-15 2022-02-17 Kennametal Inc. Modulares Trägerwerkzeug sowie Werkzeugkopf
US9481038B2 (en) * 2013-12-11 2016-11-01 Iscar, Ltd. Cutting insert having a dovetail anti-slip arrangement
DE102014206796B4 (de) 2014-04-08 2020-10-15 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrer sowie Schneidkopf für ein solches Rotationswerkzeug
CN104314468A (zh) * 2014-11-02 2015-01-28 郑州神利达钻采设备有限公司 一种矿井顶板的钻孔装置
DE102015211744B4 (de) 2015-06-24 2023-07-20 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrer, und Schneidkopf für ein solches Rotationswerkzeug
US9937567B2 (en) 2015-10-07 2018-04-10 Kennametal Inc. Modular drill
USD798921S1 (en) * 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for modular drill
US10071430B2 (en) 2015-10-07 2018-09-11 Kennametal Inc. Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head
USD798922S1 (en) * 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for rotary drill
CA3011347A1 (en) 2016-01-13 2017-07-20 Schlumberger Canada Limited Angled chisel insert
DE102016120595A1 (de) * 2016-10-27 2018-05-03 Komet Group Gmbh Zerspanungswerkzeug
RU2749596C2 (ru) * 2016-11-08 2021-06-15 Сандвик Интеллекчуал Проперти Аб Способ обработки титана, титановых сплавов и сплавов на основе никеля
DE102017205166B4 (de) 2017-03-27 2021-12-09 Kennametal Inc. Modulares Rotationswerkzeug und modulares Werkzeugsystem
EP3421205A1 (de) * 2017-06-27 2019-01-02 HILTI Aktiengesellschaft Bohrer für die meisselnde bearbeitung von gestein
DE102017212054B4 (de) 2017-07-13 2019-02-21 Kennametal Inc. Verfahren zur Herstellung eines Schneidkopfes sowie Schneidkopf
US10799958B2 (en) 2017-08-21 2020-10-13 Kennametal Inc. Modular rotary cutting tool
US20200102793A1 (en) * 2018-09-28 2020-04-02 Kennametal Inc. Roof drill bit and cutting insert therefor
CN112077370B (zh) 2019-06-13 2024-10-01 肯纳金属印度有限公司 可转位钻头刀片
CN112605439B (zh) * 2020-12-26 2024-06-04 常州肯达工具有限公司 一种方便拆卸维护的钻头
CN115703157A (zh) 2021-08-17 2023-02-17 肯纳金属印度有限公司 具有冷却剂系统的可转位钻头组件

Family Cites Families (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735656A (en) 1956-02-21 Rock drilling bit
US2002388A (en) 1933-11-14 1935-05-21 Clyde E Bannister Rocker blade bit
US2578593A (en) 1946-10-29 1951-12-11 Phipps Orville Auger-type drill bit
US2802642A (en) 1955-05-03 1957-08-13 Westinghouse Air Brake Co Rock drill bit
US2894726A (en) 1956-04-10 1959-07-14 Earl M Weaver Drilling bit
US3140749A (en) 1958-12-05 1964-07-14 Dionisotti Joseph Wedge inserts for drill bit
US3131779A (en) 1962-02-01 1964-05-05 Jersey Prod Res Co Erosion resistant nozzle assembly and method for forming
US3592276A (en) 1969-04-28 1971-07-13 A M Byers Co Rotary percussion drilling apparatus
BE754467A (fr) 1969-08-11 1971-02-05 Uss Eng & Consult Trepan et porte-trepan
US3613807A (en) * 1969-08-14 1971-10-19 Alex J Galis Drill rod with dust-collecting means
US4216832A (en) 1976-06-24 1980-08-12 Kennametal Inc. Furrowing tool
US4165790A (en) * 1976-12-10 1979-08-28 Fansteel Inc. Roof drill bit
GB1569403A (en) 1977-03-07 1980-06-11 Hall & Pickles Ltd Mineral cutting picks
US4189013A (en) 1978-05-18 1980-02-19 Gte Sylvania Incorporated Roof drill bit
US4206821A (en) 1978-09-08 1980-06-10 Fansteel Inc. Roof drill and drill rod system
US4190128A (en) * 1978-12-21 1980-02-26 Fansteel Inc. Roof drill bit with hexagonal body portion
DE3025890A1 (de) 1980-07-09 1982-01-21 Westa Werkzeugbau Gmbh, 8130 Starnberg Bohrer fuer bohrhaemmer, insbes. zum bohren in gestein, beton o.dgl.
US4352400A (en) 1980-12-01 1982-10-05 Christensen, Inc. Drill bit
US4330044A (en) 1981-01-02 1982-05-18 Orr . . . Screw Machine Products, Inc. Drill bit
US4712626A (en) * 1981-04-02 1987-12-15 Mining Tools, Inc. Div. Of Smith California Retainer device for drill bit
EP0084418A3 (en) 1982-01-20 1983-08-10 Unicorn Industries Limited Improved drill bit and method
US4488609A (en) 1982-02-08 1984-12-18 Gte Laboratories, Inc. Mining drill
US4446936A (en) 1982-02-08 1984-05-08 Gte Laboratories Incorporated Mining drill
ZA833624B (en) 1982-07-16 1985-01-30 Carmet Co Mine roof drill coupling
US4515230A (en) * 1982-10-25 1985-05-07 Fansteel Inc. Roof drill bit
SE450259C (sv) 1983-03-23 1996-07-22 Sandvik Ab Verktyg för brytning eller avverkning av fasta material, såsom asfalt
DE3310632A1 (de) 1983-03-24 1984-09-27 Fried. Krupp Gmbh, 4300 Essen Drehbohrer mit schneideinsaetzen
US4497520A (en) 1983-04-29 1985-02-05 Gte Products Corporation Rotatable cutting bit
US4492278A (en) 1983-05-09 1985-01-08 Hughes Tool Company Roof bit
US4527638A (en) * 1983-05-25 1985-07-09 Gte Laboratories Incorporated Mine tool roof bit insert and a method of drilling therewith
US4527931A (en) 1983-05-27 1985-07-09 Gte Laboratories Incorporated Indexable insert for mining drill
US4550791A (en) 1983-10-03 1985-11-05 Kennametal Inc. Two-prong rotary bit, especially for use with roof drills, and insert therefor
ZA849207B (en) 1983-11-29 1985-07-31 Graessle Clement F Mining drill bit
US4605079A (en) 1985-06-20 1986-08-12 The Marmon Group Drill bit
US4725099A (en) 1985-07-18 1988-02-16 Gte Products Corporation Rotatable cutting bit
US4667756A (en) * 1986-05-23 1987-05-26 Hughes Tool Company-Usa Matrix bit with extended blades
US4716976A (en) * 1986-10-28 1988-01-05 Kennametal Inc. Rotary percussion drill bit
US4819748A (en) 1987-02-20 1989-04-11 Truscott Aaron S Roof drill bit
US4787464A (en) 1987-11-13 1988-11-29 Gte Products Corporation Variable rake mine tool insert and method of use
DE3820695C2 (de) * 1988-06-18 1996-07-25 Hawera Probst Kg Hartmetall Gesteinsbohrer
US4838366A (en) 1988-08-30 1989-06-13 Jones A Raymond Drill bit
US5297643A (en) * 1990-12-19 1994-03-29 Kennametal Inc. Cold headed center vacuum drill bit
US5184689A (en) 1991-03-06 1993-02-09 Kennametal Inc. Radial cut drill bit insert
US5172775A (en) 1991-03-06 1992-12-22 Kennametal Inc. Rotary drill bit insert
US5180022A (en) 1991-05-23 1993-01-19 Brady William J Rotary mining tools
US5220967A (en) * 1991-09-23 1993-06-22 Sandvik Rock Tools, Inc. Drill and self-centering cutter insert therefor
US5269387A (en) 1992-02-27 1993-12-14 Tungco, Incorporated Insert for mine roof tool bit
US5287937A (en) 1992-06-30 1994-02-22 The Sollami Company Drill bits and the blades therefor
US5429199A (en) 1992-08-26 1995-07-04 Kennametal Inc. Cutting bit and cutting insert
US5375672A (en) * 1992-10-22 1994-12-27 Sandvik Rock Tools, Inc. Mine roof drill bit and cutting insert therefor
IL104774A (en) 1993-02-18 1997-01-10 Iscar Ltd Milling cutter
US5829540A (en) * 1993-07-28 1998-11-03 Sandvik Rock Tools, Inc. Mine roof drill bit and cutting insert therefor
US5467837A (en) 1993-09-01 1995-11-21 Kennametal Inc. Rotary drill bit having an insert with leading and trailing relief portions
US5458210A (en) * 1993-10-15 1995-10-17 The Sollami Company Drill bits and blades therefor
US5441121A (en) * 1993-12-22 1995-08-15 Baker Hughes, Inc. Earth boring drill bit with shell supporting an external drilling surface
US5400861A (en) 1994-05-05 1995-03-28 Kennametal, Inc. Rotatable cutting bit assembly
US6092612A (en) * 1995-06-07 2000-07-25 Brady; William J. Rotary drilling systems
DK0937191T3 (da) * 1996-11-11 2002-09-16 Hawera Probst Gmbh Stenbor
US5996714A (en) * 1997-07-15 1999-12-07 Kennametal Inc. Rotatable cutting bit assembly with wedge-lock retention assembly
US5992546A (en) * 1997-08-27 1999-11-30 Kennametal Inc. Rotary earth strata penetrating tool with a cermet insert having a co-ni-fe-binder
DE19810192A1 (de) 1998-03-10 1999-09-16 Hilti Ag Bohrwerkzeug
FR2779366A1 (fr) 1998-06-05 1999-12-10 Diager Foret a levres de coupe multiples
US6145606A (en) * 1999-03-08 2000-11-14 Kennametal Inc. Cutting insert for roof drill bit

Also Published As

Publication number Publication date
US6595305B1 (en) 2003-07-22
DE60109902D1 (de) 2005-05-12
AU2001233070B2 (en) 2004-09-02
CA2406731C (en) 2009-03-03
RU2002124594A (ru) 2004-02-27
PL196642B1 (pl) 2008-01-31
PL356424A1 (en) 2004-06-28
CN1401044A (zh) 2003-03-05
ATE292739T1 (de) 2005-04-15
EP1255909A1 (en) 2002-11-13
EP1255909B8 (en) 2005-06-08
WO2001061142A1 (en) 2001-08-23
CA2406731A1 (en) 2001-08-23
AU3307001A (en) 2001-08-27
EP1255909B1 (en) 2005-04-06
DE60109902T2 (de) 2006-02-02
ZA200206257B (en) 2003-08-06

Similar Documents

Publication Publication Date Title
MXPA02007961A (es) Broca de taladro, miembro duro y cuerpo de broca.
WO2003001020A3 (en) Monolithic roof bit cutting bit insert
NO943416L (no) Borhode for marg
CA2150246A1 (en) Cutting Tool Having Hard Tip with Lobes
CA2214749A1 (en) Improved casing shoe
AU2125600A (en) Drill bit having a chiseless bit tip
WO2001065048A3 (de) Gesteinsbohrer
USD525634S1 (en) Shank adapter of rock drilling machine
WO2001066899A3 (de) Gesteinsbohrer
DE50107504D1 (de) Gesteinsbohrer
DE69524621D1 (de) Gesteinsbohrer sowie schneideinsätze
CA2298656A1 (en) Drilling tool for down-the-hole drilling, reamer means and body element for use in the tool
EP1039095A3 (en) Downhole drill bit
ZA200107479B (en) Rotary drill bit.
CA2262487A1 (en) Masonry drill bit
AU9301701A (en) Cutting insert for percussion drill bit
AUPN894396A0 (en) Sub-assembly for lubricating rock drill bit
AU3349399A (en) Rock drilling tool and reamer for percussive drilling
FI19992647A7 (fi) Porakruunu
DK0726989T3 (da) Ekspansionsdyvel
ZA995355B (en) Propelled roller-type drilling tool for excavating rock, minerals and the like.
SE9601337D0 (sv) Upprymningverktyg för bergborrning jämte tillsatsdel härför
EP1191001A3 (en) Rotary drill bit design method
ZA997074B (en) Rock drill body.
ZA995150B (en) Drill rig for underground mining operations.