ZA879177B - Erosion resistant cutting bit with hardfacing - Google Patents

Erosion resistant cutting bit with hardfacing

Info

Publication number
ZA879177B
ZA879177B ZA879177A ZA879177A ZA879177B ZA 879177 B ZA879177 B ZA 879177B ZA 879177 A ZA879177 A ZA 879177A ZA 879177 A ZA879177 A ZA 879177A ZA 879177 B ZA879177 B ZA 879177B
Authority
ZA
South Africa
Prior art keywords
hardfacing
erosion resistant
cutting bit
resistant cutting
bit
Prior art date
Application number
ZA879177A
Other languages
English (en)
Inventor
Wayne H Beach
H Beach Wayne
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 ZA879177B publication Critical patent/ZA879177B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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 OR ROCK 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 OR ROCK 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 OR ROCK 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)
ZA879177A 1986-12-19 1987-12-07 Erosion resistant cutting bit with hardfacing ZA879177B (en)

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
ZA879177B true ZA879177B (en) 1988-08-31

Family

ID=25481084

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA879177A ZA879177B (en) 1986-12-19 1987-12-07 Erosion resistant cutting bit with hardfacing

Country Status (6)

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

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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
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DE29504676U1 (de) * 1995-03-18 1995-07-13 Boart Longyear GmbH & Co. KG Hartmetallwerkzeugfabrik, 36151 Burghaun Drehsymmetrisches Werkzeug
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US7568770B2 (en) 2006-06-16 2009-08-04 Hall David R Superhard composite material bonded to a steel body
US7469972B2 (en) * 2006-06-16 2008-12-30 Hall David R Wear resistant tool
US7950746B2 (en) 2006-06-16 2011-05-31 Schlumberger Technology Corporation Attack tool for degrading materials
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US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7338135B1 (en) * 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US7669938B2 (en) 2006-08-11 2010-03-02 Hall David R Carbide stem press fit into a steel body of a pick
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
US7445294B2 (en) 2006-08-11 2008-11-04 Hall David R Attack tool
US7997661B2 (en) * 2006-08-11 2011-08-16 Schlumberger Technology Corporation Tapered bore in a pick
US8590644B2 (en) * 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US8622155B2 (en) * 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
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US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
US7387345B2 (en) 2006-08-11 2008-06-17 Hall David R Lubricating drum
US7464993B2 (en) * 2006-08-11 2008-12-16 Hall David R Attack tool
US7992944B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Manually rotatable tool
US7390066B2 (en) * 2006-08-11 2008-06-24 Hall David R Method for providing a degradation drum
US7384105B2 (en) 2006-08-11 2008-06-10 Hall David R Attack tool
US8292372B2 (en) * 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US20090058174A1 (en) * 2006-08-11 2009-03-05 Hall David R Attack Tool
US8500210B2 (en) * 2006-08-11 2013-08-06 Schlumberger Technology Corporation Resilient pick shank
US8033616B2 (en) * 2006-08-11 2011-10-11 Schlumberger Technology Corporation Braze thickness control
US7600823B2 (en) * 2006-08-11 2009-10-13 Hall David R Pick assembly
US8453497B2 (en) * 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US8714285B2 (en) * 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US7832809B2 (en) * 2006-08-11 2010-11-16 Schlumberger Technology Corporation Degradation assembly shield
US8215420B2 (en) * 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US7669674B2 (en) * 2006-08-11 2010-03-02 Hall David R Degradation assembly
US7413256B2 (en) 2006-08-11 2008-08-19 Hall David R Washer for a degradation assembly
US7419224B2 (en) 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
US7320505B1 (en) 2006-08-11 2008-01-22 Hall David R Attack tool
US7413258B2 (en) * 2006-08-11 2008-08-19 Hall David R Hollow pick shank
US8123302B2 (en) * 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US8136887B2 (en) * 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
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
US8485756B2 (en) * 2006-12-01 2013-07-16 David R. Hall Heated liquid nozzles incorporated into a moldboard
US7976239B2 (en) * 2006-12-01 2011-07-12 Hall David R End of a moldboard positioned proximate a milling drum
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
US7530642B2 (en) * 2006-12-15 2009-05-12 Kennametal Inc. Cutting bit with split wear ring and method of making same
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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
PL217584B1 (pl) * 2007-12-05 2014-07-31 Sandvik Intellectual Property Narzędzie krusząco-kopiące
US8646848B2 (en) 2007-12-21 2014-02-11 David R. Hall Resilient connection between a pick shank and block
AR071446A1 (es) * 2008-01-08 2010-06-23 Esco Corp Punta para rodillo para trabajos de terraceria
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
WO2016061105A1 (en) * 2014-10-17 2016-04-21 Vermeer Manufacturing Company Protective wear sleeve for cutting element
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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Also Published As

Publication number Publication date
EP0274645B1 (en) 1991-09-11
JPH0663414B2 (ja) 1994-08-22
EP0274645A1 (en) 1988-07-20
AU592911B2 (en) 1990-01-25
US4725098A (en) 1988-02-16
JPS63165688A (ja) 1988-07-08
CA1307299C (en) 1992-09-08
AU8205287A (en) 1988-06-23
DE3772955D1 (de) 1991-10-17

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