ZA846759B - - Google Patents

Info

Publication number
ZA846759B
ZA846759B ZA846759A ZA846759A ZA846759B ZA 846759 B ZA846759 B ZA 846759B ZA 846759 A ZA846759 A ZA 846759A ZA 846759 A ZA846759 A ZA 846759A ZA 846759 B ZA846759 B ZA 846759B
Authority
ZA
South Africa
Application number
ZA846759A
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 filed Critical
Publication of ZA846759B publication Critical patent/ZA846759B/xx

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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline 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
    • 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
    • E21C35/1831—Fixing methods or devices
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
ZA846759A 1983-09-05 1984-08-29 ZA846759B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA836566 1983-09-05

Publications (1)

Publication Number Publication Date
ZA846759B true ZA846759B (fi) 1985-02-27

Family

ID=25576902

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA846759A ZA846759B (fi) 1983-09-05 1984-08-29

Country Status (5)

Country Link
US (1) US4655508A (fi)
AU (2) AU576810B2 (fi)
DE (2) DE3431888A1 (fi)
GB (2) GB2147037B (fi)
ZA (1) ZA846759B (fi)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA871298B (fi) * 1986-02-28 1987-08-17
DE8710722U1 (de) * 1986-08-11 1987-10-15 De Beers Industrial Diamond Division (Proprietary) Ltd., Johannesburg, Transvaal Schneidelement für eine Bergbaumaschine
EP0274711A1 (en) * 1986-12-19 1988-07-20 De Beers Industrial Diamond Division (Proprietary) Limited Cutting tool for a mining machine
US4782903A (en) * 1987-01-28 1988-11-08 Strange William S Replaceable insert stud for drilling bits
SE458532B (sv) * 1987-03-25 1989-04-10 Sandvik Ab Verktyg med haardmetallspets avsett att roterbart monteras i ett vaeghyvelskaer
DE3836074A1 (de) * 1987-10-26 1989-05-03 De Beers Ind Diamond Schneidmeissel
GB2211872B (en) * 1987-11-03 1991-06-19 Reed Tool Co Improvements in or relating to cutter assemblies for rotary drill bits
AU615230B2 (en) * 1987-11-03 1991-09-26 De Beers Industrial Diamond Division (Proprietary) Limited Cutting tool for a mining machine
FR2632353A1 (fr) * 1988-06-02 1989-12-08 Combustible Nucleaire Outil pour machine d'abattage minier comportant une piece abrasive diamantee
DE68919454T2 (de) * 1988-08-15 1995-04-06 De Beers Ind Diamond Werkzeugeinsatz.
US5161627A (en) * 1990-01-11 1992-11-10 Burkett Kenneth H Attack tool insert with polycrystalline diamond layer
US5417475A (en) * 1992-08-19 1995-05-23 Sandvik Ab Tool comprised of a holder body and a hard insert and method of using same
US5429199A (en) * 1992-08-26 1995-07-04 Kennametal Inc. Cutting bit and cutting insert
US5837071A (en) * 1993-11-03 1998-11-17 Sandvik Ab Diamond coated cutting tool insert and method of making same
WO1997044994A1 (en) * 1996-05-24 1997-12-04 Kennametal Inc. Plow blade
US5823632A (en) * 1996-06-13 1998-10-20 Burkett; Kenneth H. Self-sharpening nosepiece with skirt for attack tools
US6344149B1 (en) 1998-11-10 2002-02-05 Kennametal Pc Inc. Polycrystalline diamond member and method of making the same
DE19922208C2 (de) * 1999-05-14 2002-02-21 Betek Bergbau & Hartmetall Rundschaftmeißel
FR2803333B1 (fr) * 2000-01-04 2002-06-14 Michel Curtat Outil a tete en carbure de tungstene pour creuser le sol
AU2007201463B2 (en) * 2003-08-13 2010-09-09 Sandvik Intellectual Property Ab Shaped inserts with increased retention force
US7469972B2 (en) * 2006-06-16 2008-12-30 Hall David R Wear resistant tool
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US7637574B2 (en) 2006-08-11 2009-12-29 Hall David R Pick assembly
US20130341999A1 (en) * 2006-08-11 2013-12-26 David R. Hall Attack Tool with an Interruption
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
US20090256413A1 (en) * 2008-04-11 2009-10-15 Majagi Shivanand I Cutting bit useful for impingement of earth strata
US20130076102A1 (en) * 2010-03-18 2013-03-28 Southern Engineering Services Pty Ltd Tool system and tool for mining machine
US8668275B2 (en) * 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
EP2997223B1 (en) 2013-05-16 2019-03-20 US Synthetic Corporation Road-removal system employing polycrystalline diamond compacts
WO2014186293A1 (en) * 2013-05-16 2014-11-20 Us Synthetic Corporation Shear cutter pick milling system
EP2894293A3 (en) * 2014-01-13 2016-07-20 Sandvik Intellectual Property AB Cutting pick tool
US9518379B2 (en) 2014-02-28 2016-12-13 Caterpillar Inc. Shroud retention system having replaceable lug insert
US10414069B2 (en) 2014-04-30 2019-09-17 Us Synthetic Corporation Cutting tool assemblies including superhard working surfaces, material-removing machines including cutting tool assemblies, and methods of use
WO2016014139A1 (en) * 2014-07-24 2016-01-28 Hall David R Angled degradation pick
US10408057B1 (en) 2014-07-29 2019-09-10 Apergy Bmcs Acquisition Corporation Material-removal systems, cutting tools therefor, and related methods
GB201517360D0 (en) * 2015-10-01 2015-11-18 Element Six Gmbh And Element Six Uk Ltd Pick tool
US10648330B1 (en) 2015-09-25 2020-05-12 Us Synthetic Corporation Cutting tool assemblies including superhard working surfaces, cutting tool mounting assemblies, material-removing machines including the same, and methods of use
USD798920S1 (en) 2015-09-25 2017-10-03 Us Synthetic Corporation Cutting tool assembly
USD798350S1 (en) 2015-09-25 2017-09-26 Us Synthetic Corporation Cutting tool assembly
US11732445B2 (en) * 2018-04-13 2023-08-22 Caterpillar Inc. Retention system for attaching tool bits to a blade assembly
US11512456B2 (en) * 2018-04-13 2022-11-29 Caterpillar Inc. Arcuate bit surface and blade assembly
US10889966B2 (en) * 2018-04-13 2021-01-12 Caterpillar Inc. Drafted tool bit and blade assembly
US11414842B2 (en) 2020-07-06 2022-08-16 Caterpillar Inc. Retention system for motor grader bits

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114156A (en) * 1964-09-01 1968-05-15 Coal Industry Patents Ltd Improvements in or relating to cutter picks
US3743489A (en) * 1971-07-01 1973-07-03 Gen Electric Abrasive bodies of finely-divided cubic boron nitride crystals
US3767371A (en) * 1971-07-01 1973-10-23 Gen Electric Cubic boron nitride/sintered carbide abrasive bodies
US3745623A (en) * 1971-12-27 1973-07-17 Gen Electric Diamond tools for machining
US3807804A (en) * 1972-09-12 1974-04-30 Kennametal Inc Impacting tool with tungsten carbide insert tip
US4063909A (en) * 1974-09-18 1977-12-20 Robert Dennis Mitchell Abrasive compact brazed to a backing
US4109737A (en) * 1976-06-24 1978-08-29 General Electric Company Rotary drill bit
US4073354A (en) * 1976-11-26 1978-02-14 Christensen, Inc. Earth-boring drill bits
US4086973A (en) * 1976-12-03 1978-05-02 Dresser Industries, Inc. Asymmetric insert for inner row of an earth boring cutter
DE2719330C3 (de) * 1977-04-30 1984-01-05 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel
CS197734B1 (en) * 1977-12-14 1980-05-30 Vladimir Mynar Knife for the mining machines
US4225322A (en) * 1978-01-10 1980-09-30 General Electric Company Composite compact components fabricated with high temperature brazing filler metal and method for making same
DE2846744A1 (de) * 1978-10-27 1980-04-30 Wallram Hartmetall Gmbh Schraempicke
US4325439A (en) * 1979-05-02 1982-04-20 Smith International, Inc. Diamond insert stud for a drag bit
GB2087949B (en) * 1980-11-24 1984-11-14 Padley & Venables Ltd Cutting tools
CA1194857A (en) * 1982-02-20 1985-10-08 Nl Industries, Inc. Rotary drilling bits
US4678237A (en) * 1982-08-06 1987-07-07 Huddy Diamond Crown Setting Company (Proprietary) Limited Cutter inserts for picks
US4538690A (en) * 1983-02-22 1985-09-03 Nl Industries, Inc. PDC cutter and bit
SE450259C (sv) * 1983-03-23 1996-07-22 Sandvik Ab Verktyg för brytning eller avverkning av fasta material, såsom asfalt
GB2148353B (en) * 1983-09-15 1986-03-05 Boart Int Ltd Mining picks

Also Published As

Publication number Publication date
AU3738185A (en) 1986-07-17
DE3431888A1 (de) 1985-03-21
GB8422320D0 (en) 1984-10-10
GB2146058A (en) 1985-04-11
GB8422319D0 (en) 1984-10-10
GB2147037B (en) 1987-02-04
US4655508A (en) 1987-04-07
DE3431887A1 (de) 1985-03-21
GB2147037A (en) 1985-05-01
DE3431887C2 (fi) 1991-11-28
AU3738085A (en) 1986-07-17
GB2146058B (en) 1986-05-21
AU576811B2 (en) 1988-09-08
AU576810B2 (en) 1988-09-08

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