DE3772955D1 - Erosionsfester schneidmeissel mit hartauftragsschweissung. - Google Patents

Erosionsfester schneidmeissel mit hartauftragsschweissung.

Info

Publication number
DE3772955D1
DE3772955D1 DE8787117818T DE3772955T DE3772955D1 DE 3772955 D1 DE3772955 D1 DE 3772955D1 DE 8787117818 T DE8787117818 T DE 8787117818T DE 3772955 T DE3772955 T DE 3772955T DE 3772955 D1 DE3772955 D1 DE 3772955D1
Authority
DE
Germany
Prior art keywords
erosion
resistant cutting
cutting chisel
order welding
hard order
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 - Fee Related
Application number
DE8787117818T
Other languages
English (en)
Inventor
Wayne H Beach
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.)
Kennametal Inc
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
Application granted granted Critical
Publication of DE3772955D1 publication Critical patent/DE3772955D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1833—Multiple inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1835—Chemical composition or specific material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
DE8787117818T 1986-12-19 1987-12-02 Erosionsfester schneidmeissel mit hartauftragsschweissung. Expired - Fee Related DE3772955D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/944,263 US4725098A (en) 1986-12-19 1986-12-19 Erosion resistant cutting bit with hardfacing

Publications (1)

Publication Number Publication Date
DE3772955D1 true DE3772955D1 (de) 1991-10-17

Family

ID=25481084

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787117818T Expired - Fee Related DE3772955D1 (de) 1986-12-19 1987-12-02 Erosionsfester schneidmeissel mit hartauftragsschweissung.

Country Status (6)

Country Link
US (1) US4725098A (de)
EP (1) EP0274645B1 (de)
JP (1) JPH0663414B2 (de)
CA (1) CA1307299C (de)
DE (1) DE3772955D1 (de)
ZA (1) ZA879177B (de)

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632353A1 (fr) * 1988-06-02 1989-12-08 Combustible Nucleaire Outil pour machine d'abattage minier comportant une piece abrasive diamantee
US4923511A (en) * 1989-06-29 1990-05-08 W S Alloys, Inc. Tungsten carbide hardfacing powders and compositions thereof for plasma-transferred-arc deposition
US5067262A (en) * 1990-08-03 1991-11-26 Kennametal Inc. Digging tooth
JPH0750473Y2 (ja) * 1990-08-22 1995-11-15 東芝タンガロイ株式会社 コニカルビット
GB2253642B (en) * 1991-03-11 1995-08-09 Dresser Ind Method of manufacturing a rolling cone cutter
US5143163A (en) * 1991-08-29 1992-09-01 Kennametal Inc. Digging tooth
GB9125536D0 (en) * 1991-11-30 1992-01-29 Hydra Tools Int Plc Mineral cutter tip and pick
DE29504676U1 (de) * 1995-03-18 1995-07-13 Boart Hwf Gmbh Co Kg Drehsymmetrisches Werkzeug
US5645323A (en) * 1995-12-11 1997-07-08 Kennametal Inc. Concave cutter bit with sacrificial constraint
DE19857451A1 (de) 1998-12-12 2000-06-15 Boart Hwf Gmbh Co Kg Schneid- oder Brechwerkzeug sowie Schneideinsatz für dieses
US6196636B1 (en) 1999-03-22 2001-03-06 Larry J. McSweeney Cutting bit insert configured in a polygonal pyramid shape and having a ring mounted in surrounding relationship with the insert
JP2000342986A (ja) 1999-03-30 2000-12-12 Komatsu Ltd 産業廃棄物破砕用ビット
US6758530B2 (en) 2001-09-18 2004-07-06 The Sollami Company Hardened tip for cutting tools
US7726594B2 (en) * 2001-10-03 2010-06-01 Leward Nile Smith Multi-functional tool assembly for processing tool of material processing machine
US6739327B2 (en) * 2001-12-31 2004-05-25 The Sollami Company Cutting tool with hardened tip having a tapered base
US6709065B2 (en) 2002-01-30 2004-03-23 Sandvik Ab Rotary cutting bit with material-deflecting ledge
US20030230926A1 (en) * 2003-05-23 2003-12-18 Mondy Michael C. Rotating cutter bit assembly having hardfaced block and wear washer
US7204560B2 (en) * 2003-08-15 2007-04-17 Sandvik Intellectual Property Ab Rotary cutting bit with material-deflecting ledge
AU2004201284B2 (en) * 2004-03-26 2008-12-18 Sandvik Intellectual Property Ab Rotary cutting bit
US7665552B2 (en) * 2006-10-26 2010-02-23 Hall David R Superhard insert with an interface
US8109349B2 (en) 2006-10-26 2012-02-07 Schlumberger Technology Corporation Thick pointed superhard material
US7740414B2 (en) 2005-03-01 2010-06-22 Hall David R Milling apparatus for a paved surface
AU2005203762B2 (en) * 2005-08-22 2010-12-02 Sandvik Intellectual Property Ab Rotary cutting pick
US7950746B2 (en) 2006-06-16 2011-05-31 Schlumberger Technology Corporation Attack tool for degrading materials
US7469972B2 (en) * 2006-06-16 2008-12-30 Hall David R Wear resistant tool
US7568770B2 (en) 2006-06-16 2009-08-04 Hall David R Superhard composite material bonded to a steel body
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US8007051B2 (en) 2006-08-11 2011-08-30 Schlumberger Technology Corporation Shank assembly
US7396086B1 (en) 2007-03-15 2008-07-08 Hall David R Press-fit pick
US8453497B2 (en) * 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US7413256B2 (en) 2006-08-11 2008-08-19 Hall David R Washer for a degradation assembly
US8215420B2 (en) * 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US7387345B2 (en) 2006-08-11 2008-06-17 Hall David R Lubricating drum
US7635168B2 (en) * 2006-08-11 2009-12-22 Hall David R Degradation assembly shield
US7648210B2 (en) 2006-08-11 2010-01-19 Hall David R Pick with an interlocked bolster
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US8714285B2 (en) * 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US7320505B1 (en) 2006-08-11 2008-01-22 Hall David R Attack tool
US7464993B2 (en) * 2006-08-11 2008-12-16 Hall David R Attack tool
US7600823B2 (en) * 2006-08-11 2009-10-13 Hall David R Pick assembly
US8292372B2 (en) * 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US7963617B2 (en) 2006-08-11 2011-06-21 Schlumberger Technology Corporation Degradation assembly
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US8136887B2 (en) * 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US8590644B2 (en) * 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US8500209B2 (en) 2006-08-11 2013-08-06 Schlumberger Technology Corporation Manually rotatable tool
US7997661B2 (en) * 2006-08-11 2011-08-16 Schlumberger Technology Corporation Tapered bore in a pick
US7669674B2 (en) * 2006-08-11 2010-03-02 Hall David R Degradation assembly
US8500210B2 (en) * 2006-08-11 2013-08-06 Schlumberger Technology Corporation Resilient pick shank
US20090058174A1 (en) * 2006-08-11 2009-03-05 Hall David R Attack Tool
US8485609B2 (en) 2006-08-11 2013-07-16 Schlumberger Technology Corporation Impact tool
US7384105B2 (en) 2006-08-11 2008-06-10 Hall David R Attack tool
US7338135B1 (en) * 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US7413258B2 (en) * 2006-08-11 2008-08-19 Hall David R Hollow pick shank
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US7637574B2 (en) 2006-08-11 2009-12-29 Hall David R Pick assembly
US7669938B2 (en) 2006-08-11 2010-03-02 Hall David R Carbide stem press fit into a steel body of a pick
US7722127B2 (en) 2006-08-11 2010-05-25 Schlumberger Technology Corporation Pick shank in axial tension
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
US7390066B2 (en) * 2006-08-11 2008-06-24 Hall David R Method for providing a degradation drum
US7419224B2 (en) 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
US7992944B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Manually rotatable tool
US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US8123302B2 (en) * 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US7475948B2 (en) 2006-08-11 2009-01-13 Hall David R Pick with a bearing
US7445294B2 (en) 2006-08-11 2008-11-04 Hall David R Attack tool
US7871133B2 (en) * 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US8033616B2 (en) * 2006-08-11 2011-10-11 Schlumberger Technology Corporation Braze thickness control
US8622155B2 (en) * 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
US7347292B1 (en) 2006-10-26 2008-03-25 Hall David R Braze material for an attack tool
US8403595B2 (en) * 2006-12-01 2013-03-26 David R. Hall Plurality of liquid jet nozzles and a blower mechanism that are directed into a milling chamber
US8485756B2 (en) * 2006-12-01 2013-07-16 David R. Hall Heated liquid nozzles incorporated into a moldboard
US7976238B2 (en) * 2006-12-01 2011-07-12 Hall David R End of a moldboard positioned proximate a milling drum
US7530642B2 (en) * 2006-12-15 2009-05-12 Kennametal Inc. Cutting bit with split wear ring and method of making same
AU2006252152B2 (en) 2006-12-20 2009-12-10 Sandvik Intellectual Property Ab Rotary cutting pick
US9051794B2 (en) * 2007-04-12 2015-06-09 Schlumberger Technology Corporation High impact shearing element
US7594703B2 (en) * 2007-05-14 2009-09-29 Hall David R Pick with a reentrant
US7926883B2 (en) * 2007-05-15 2011-04-19 Schlumberger Technology Corporation Spring loaded pick
US8038223B2 (en) * 2007-09-07 2011-10-18 Schlumberger Technology Corporation Pick with carbide cap
US7832808B2 (en) 2007-10-30 2010-11-16 Hall David R Tool holder sleeve
AU2008331975A1 (en) * 2007-12-05 2009-06-11 Sandvik Intellectual Property Ab Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool
US20110254349A1 (en) 2007-12-21 2011-10-20 Hall David R Resilent Connection between a Pick Shank and Block
WO2009089322A1 (en) * 2008-01-08 2009-07-16 Esco Corporation Tip for an earth working roll
US8540037B2 (en) 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
US7628233B1 (en) 2008-07-23 2009-12-08 Hall David R Carbide bolster
US20100018776A1 (en) * 2008-07-28 2010-01-28 Keller Donald E Cutting bit for mining and excavating tools
US8061457B2 (en) 2009-02-17 2011-11-22 Schlumberger Technology Corporation Chamfered pointed enhanced diamond insert
WO2010117765A1 (en) * 2009-03-30 2010-10-14 Schlumberger Canada Limited Double sintered thermally stable polycrystalline diamond cutting elements
US8322796B2 (en) * 2009-04-16 2012-12-04 Schlumberger Technology Corporation Seal with contact element for pick shield
US8701799B2 (en) * 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US20100326740A1 (en) * 2009-06-26 2010-12-30 Hall David R Bonded Assembly Having Low Residual Stress
US8262168B2 (en) 2010-09-22 2012-09-11 Hall David R Multiple milling drums secured to the underside of a single milling machine
US8261471B2 (en) 2010-06-30 2012-09-11 Hall David R Continuously adjusting resultant force in an excavating assembly
US8728382B2 (en) 2011-03-29 2014-05-20 David R. Hall Forming a polycrystalline ceramic in multiple sintering phases
US8668275B2 (en) 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
GB2494102A (en) * 2011-07-28 2013-03-06 Boundary Equipment Co Ltd A surface working tool insert
GB201202533D0 (en) * 2012-02-14 2012-03-28 Element Six Gmbh Pick tool and method of using same
US9441482B2 (en) 2013-01-30 2016-09-13 Novatek Ip, Llc Hammer element on a degradation pick
DE102014014094A1 (de) * 2013-10-01 2015-04-02 Bomag Gmbh Meißeleinrichtung und verschleißgeschützter Meißel für eine Bodenfräsmaschine
GB201320501D0 (en) * 2013-11-20 2014-01-01 Element Six Gmbh Strike constructions,picks comprising same and methods for making same
EP3207216A4 (de) * 2014-10-17 2018-07-25 Vermeer Manufacturing Company Verschleissschutzhülse für schneidelement
CN107630662A (zh) * 2017-08-11 2018-01-26 江苏中科大港激光科技有限公司 一种耐磨耐高温旋挖齿及其制备方法
CN211805940U (zh) * 2019-09-20 2020-10-30 米沃奇电动工具公司 冲击工具和锤头

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US3833265A (en) * 1965-10-20 1974-09-03 G Elders Rotatable sleeve for self-sharpening bit
US3833264A (en) * 1970-09-02 1974-09-03 G Elders Self-sharpening bit and mounting therefor
CA981291A (en) * 1973-12-07 1976-01-06 Kenneth M. White Cutter assembly
DE2442146C2 (de) * 1974-09-03 1982-09-23 Fried. Krupp Gmbh, 4300 Essen Rundschaftmeißel zum Abtragen von Mineralien und Verfahren zu seiner Herstellung
SU623959A1 (ru) * 1977-04-15 1978-09-15 Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Проходческих Машин И Комплексов Для Угольной,Горной Промышленности И Подземного Строительства Резец дл горных машин
DE2741894A1 (de) * 1977-09-17 1979-03-29 Krupp Gmbh Werkzeug zum abtragen von gesteinen und mineralien
US4194791A (en) * 1977-11-18 1980-03-25 Kennametal Inc. Grooved earthworking bit and method of enhancing the life thereof
DE2801675A1 (de) * 1978-01-16 1979-07-19 Simon Fa Karl Rundschaftmeissel
US4201421A (en) 1978-09-20 1980-05-06 Besten Leroy E Den Mining machine bit and mounting thereof
DE2851487A1 (de) * 1978-11-28 1980-06-04 Reinhard Wirtgen Fraesmeissel fuer eine fraesvorrichtung
DE3005684A1 (de) * 1980-02-15 1981-08-20 Fried. Krupp Gmbh, 4300 Essen Werkzeug zum abtragen von gesteinen und mineralien
SU899916A1 (ru) * 1980-05-13 1982-01-23 Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Институт Горного Дела Им.А.А.Скочинского Вставка дл резцов горных машин
SU911024A2 (ru) * 1980-07-14 1982-03-07 Карагандинский Научно-Исследовательский,Проектно-Конструкторский И Экспериментальный Институт "Гипроуглегормаш" Резец дл горных машин
US4484783A (en) * 1982-07-22 1984-11-27 Fansteel Inc. Retainer and wear sleeve for rotating mining bits
SU1102936A1 (ru) * 1983-03-10 1984-07-15 Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Институт Горного Дела Им.А.А.Скочинского Резец дл горных машин
US4561698A (en) * 1984-06-21 1985-12-31 Beebe Donald E Wear protector for tooth brackets on roadway surface cutting machines
DE3519101A1 (de) * 1985-05-28 1986-12-04 Reinhard 5461 Windhagen Wirtgen Fraesmeissel fuer eine fraesvorrichtung

Also Published As

Publication number Publication date
EP0274645B1 (de) 1991-09-11
AU592911B2 (en) 1990-01-25
CA1307299C (en) 1992-09-08
AU8205287A (en) 1988-06-23
JPH0663414B2 (ja) 1994-08-22
EP0274645A1 (de) 1988-07-20
ZA879177B (en) 1988-08-31
JPS63165688A (ja) 1988-07-08
US4725098A (en) 1988-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee