DE3442546C2 - - Google Patents

Info

Publication number
DE3442546C2
DE3442546C2 DE3442546A DE3442546A DE3442546C2 DE 3442546 C2 DE3442546 C2 DE 3442546C2 DE 3442546 A DE3442546 A DE 3442546A DE 3442546 A DE3442546 A DE 3442546A DE 3442546 C2 DE3442546 C2 DE 3442546C2
Authority
DE
Germany
Prior art keywords
chisel
hard metal
grooves
metal body
round
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
Application number
DE3442546A
Other languages
German (de)
English (en)
Other versions
DE3442546A1 (de
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19843442546 priority Critical patent/DE3442546A1/de
Priority to GB08528777A priority patent/GB2168404B/en
Publication of DE3442546A1 publication Critical patent/DE3442546A1/de
Priority to US06/896,216 priority patent/US4729603A/en
Application granted granted Critical
Publication of DE3442546C2 publication Critical patent/DE3442546C2/de
Granted legal-status Critical Current

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
    • E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type 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
    • E21C35/1837—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)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
DE19843442546 1984-11-22 1984-11-22 Rundschaftmeissel fuer schraemmaschinen Granted DE3442546A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19843442546 DE3442546A1 (de) 1984-11-22 1984-11-22 Rundschaftmeissel fuer schraemmaschinen
GB08528777A GB2168404B (en) 1984-11-22 1985-11-22 A cutting tool
US06/896,216 US4729603A (en) 1984-11-22 1986-08-14 Round cutting tool for cutters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843442546 DE3442546A1 (de) 1984-11-22 1984-11-22 Rundschaftmeissel fuer schraemmaschinen

Publications (2)

Publication Number Publication Date
DE3442546A1 DE3442546A1 (de) 1986-05-28
DE3442546C2 true DE3442546C2 (forum.php) 1988-08-18

Family

ID=6250848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843442546 Granted DE3442546A1 (de) 1984-11-22 1984-11-22 Rundschaftmeissel fuer schraemmaschinen

Country Status (3)

Country Link
US (1) US4729603A (forum.php)
DE (1) DE3442546A1 (forum.php)
GB (1) GB2168404B (forum.php)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803166A1 (de) * 1998-01-28 1999-07-29 Betek Bergbau & Hartmetall Rundschaftmeißel für eine Schrämmaschine oder dgl.
DE202008007212U1 (de) 2008-05-29 2008-11-27 Guitelmakher, David Bergschneidwerkzeug
DE102007047215A1 (de) 2007-10-02 2011-02-17 David Guitelmakher Bergschneidwerkzeug

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131725A (en) * 1990-09-04 1992-07-21 Kennametal Inc. Rotatable cutting tool having an insert with flanges
GB9125558D0 (en) * 1991-11-30 1992-01-29 Camco Drilling Group Ltd Improvements in or relating to cutting elements for rotary drill bits
US5324098A (en) * 1992-12-17 1994-06-28 Kennametal Inc. Cutting tool having hard tip with lobes
USD347232S (en) 1993-01-21 1994-05-24 Kennametal Inc. Tip with lobes
US5467669A (en) * 1993-05-03 1995-11-21 American National Carbide Company Cutting tool insert
US5379854A (en) * 1993-08-17 1995-01-10 Dennis Tool Company Cutting element for drill bits
US5551760A (en) * 1993-09-02 1996-09-03 The Sollami Company Tungsten carbide insert for a cutting tool
US5722497A (en) 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces
US6019434A (en) * 1997-10-07 2000-02-01 Fansteel Inc. Point attack bit
DE19857451A1 (de) 1998-12-12 2000-06-15 Boart Hwf Gmbh Co Kg Schneid- oder Brechwerkzeug sowie Schneideinsatz für dieses
US6554369B2 (en) 2001-07-12 2003-04-29 The Sollami Company Cutting tool with hardened insert
US20040026983A1 (en) * 2002-08-07 2004-02-12 Mcalvain Bruce William Monolithic point-attack bit
US7665552B2 (en) * 2006-10-26 2010-02-23 Hall David R Superhard insert with an interface
US7740414B2 (en) 2005-03-01 2010-06-22 Hall David R Milling apparatus for a paved surface
US8109349B2 (en) 2006-10-26 2012-02-07 Schlumberger Technology Corporation Thick pointed superhard material
USD572735S1 (en) 2006-05-02 2008-07-08 Betek Bergbau- Und Hartmetalltechnik Chisel-tip for a cutter-bit
US7950746B2 (en) 2006-06-16 2011-05-31 Schlumberger Technology Corporation Attack tool for degrading materials
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
US7600823B2 (en) * 2006-08-11 2009-10-13 Hall David R Pick assembly
US7637574B2 (en) 2006-08-11 2009-12-29 Hall David R Pick assembly
US8292372B2 (en) * 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US7871133B2 (en) 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US7963617B2 (en) 2006-08-11 2011-06-21 Schlumberger Technology Corporation Degradation assembly
US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US7387345B2 (en) 2006-08-11 2008-06-17 Hall David R Lubricating drum
US8590644B2 (en) * 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US7722127B2 (en) 2006-08-11 2010-05-25 Schlumberger Technology Corporation Pick shank in axial tension
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US8136887B2 (en) * 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US8485609B2 (en) 2006-08-11 2013-07-16 Schlumberger Technology Corporation Impact tool
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
US7445294B2 (en) 2006-08-11 2008-11-04 Hall David R Attack tool
US7648210B2 (en) 2006-08-11 2010-01-19 Hall David R Pick with an interlocked bolster
US8622155B2 (en) * 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US7744164B2 (en) * 2006-08-11 2010-06-29 Schluimberger Technology Corporation Shield of a degradation assembly
US20090058174A1 (en) * 2006-08-11 2009-03-05 Hall David R Attack Tool
US7997661B2 (en) * 2006-08-11 2011-08-16 Schlumberger Technology Corporation Tapered bore in a pick
US7669938B2 (en) 2006-08-11 2010-03-02 Hall David R Carbide stem press fit into a steel body of a pick
USD581952S1 (en) 2006-08-11 2008-12-02 Hall David R Pick
US7669674B2 (en) 2006-08-11 2010-03-02 Hall David R Degradation assembly
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
US8123302B2 (en) 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US8215420B2 (en) * 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US7661765B2 (en) 2006-08-11 2010-02-16 Hall David R Braze thickness control
US8500210B2 (en) * 2006-08-11 2013-08-06 Schlumberger Technology Corporation Resilient pick shank
USD566137S1 (en) 2006-08-11 2008-04-08 Hall David R Pick bolster
US7384105B2 (en) 2006-08-11 2008-06-10 Hall David R Attack tool
US7464993B2 (en) * 2006-08-11 2008-12-16 Hall David R Attack tool
US7469971B2 (en) * 2006-08-11 2008-12-30 Hall David R Lubricated pick
US8714285B2 (en) * 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7320505B1 (en) 2006-08-11 2008-01-22 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
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US7338135B1 (en) * 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US8500209B2 (en) 2006-08-11 2013-08-06 Schlumberger Technology Corporation Manually rotatable tool
US7992945B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Hollow pick shank
US8453497B2 (en) * 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US8007051B2 (en) 2006-08-11 2011-08-30 Schlumberger Technology Corporation Shank assembly
US7347292B1 (en) 2006-10-26 2008-03-25 Hall David R Braze material for an attack tool
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
DE102007007156A1 (de) 2007-02-09 2008-08-14 Gerd Elfgen Hartmetallspitze für einen Rundschaftmeißel
US7401863B1 (en) 2007-03-15 2008-07-22 Hall David R Press-fit 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
US8646848B2 (en) 2007-12-21 2014-02-11 David R. Hall Resilient connection between a pick shank and block
US20090256413A1 (en) * 2008-04-11 2009-10-15 Majagi Shivanand I Cutting bit useful for impingement of earth strata
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
US8061457B2 (en) 2009-02-17 2011-11-22 Schlumberger Technology Corporation Chamfered pointed enhanced diamond insert
US20100242375A1 (en) * 2009-03-30 2010-09-30 Hall David R 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
AT508231B1 (de) * 2009-05-14 2011-05-15 Sandvik Mining & Constr Oy Schneidvorrichtung für eine bergbaumaschine
US20100326740A1 (en) * 2009-06-26 2010-12-30 Hall David R Bonded Assembly Having Low Residual Stress
CA2767048C (en) * 2009-07-09 2015-12-15 Scoperta, Inc. Wear-resistant attachments for high-wear applications
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
DE102011104854B4 (de) * 2011-06-21 2015-06-11 Khd Humboldt Wedag Gmbh Mahlwalze mit in die Oberfläche eingesetzten Hartkörpern
US8668275B2 (en) 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
DE102014014094A1 (de) 2013-10-01 2015-04-02 Bomag Gmbh Meißeleinrichtung und verschleißgeschützter Meißel für eine Bodenfräsmaschine
CN103603663A (zh) * 2013-10-10 2014-02-26 安徽澳德矿山机械设备有限公司 掘进机用新型耐磨镐型截齿
CN105019897A (zh) * 2015-07-29 2015-11-04 桂林星钻超硬材料有限公司 高寿命的聚晶金刚石截齿
US20170198577A1 (en) * 2016-01-13 2017-07-13 Caterpillar Inc. Rotatable Cutting Tool
USD863386S1 (en) 2018-06-06 2019-10-15 Kennametal Inc. Ribbed cutting insert
USD920401S1 (en) * 2018-11-15 2021-05-25 Caterpillar Inc. Cutting tool
US11098584B2 (en) * 2018-11-15 2021-08-24 Caterpillar Inc. Carbide cutter bit with ribbed sides and conical tip
CN115306383A (zh) * 2022-08-02 2022-11-08 三一重型装备有限公司 截齿、截割头和工程机械
USD1094493S1 (en) * 2024-02-08 2025-09-23 Betek Gmbh & Co. Kg Milling tool

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US465748A (en) * 1891-12-22 baumotte
US973887A (en) * 1909-10-16 1910-10-25 Joseph A Steinmetz Pile-shoe.
US1685196A (en) * 1924-11-08 1928-09-25 Clarence E Gilbert Scarifier tooth
US3140749A (en) * 1958-12-05 1964-07-14 Dionisotti Joseph Wedge inserts for drill bit
GB883145A (en) * 1959-09-17 1961-11-22 Tungsten Carbide Developments Improvements in and relating to coal cutter picks
GB954130A (en) * 1962-04-27 1964-04-02 Minsup Mining Supplies Improvements in or relating to coal-cutter picks
GB1074922A (en) * 1965-01-09 1967-07-05 Tungsten Carbide Developments Improvements in or relating to coal-or other mineral-cutter picks with hard metal tips
US3493268A (en) * 1965-06-16 1970-02-03 Gen Electric Cutter bit
US3361481A (en) * 1965-10-18 1968-01-02 Westinghouse Air Brake Co Rotating cutter bit
US3388757A (en) * 1967-03-23 1968-06-18 Smith Ind International Inc Hardened inserts for drill bits
US3884212A (en) * 1973-11-01 1975-05-20 Meyers W F Co Wire saw
AT341978B (de) * 1976-04-14 1978-03-10 Voest Ag Rundmeissel
US4065185A (en) * 1976-07-22 1977-12-27 Elders G W Point-attack bit
GB1533517A (en) * 1977-09-29 1978-11-29 Elders G Point attack bit
SU751991A1 (ru) * 1978-02-21 1980-07-30 За витель Резец дл горных машин

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803166A1 (de) * 1998-01-28 1999-07-29 Betek Bergbau & Hartmetall Rundschaftmeißel für eine Schrämmaschine oder dgl.
DE19803166C2 (de) * 1998-01-28 2000-05-11 Betek Bergbau & Hartmetall Rundschaftmeißel für eine Schrämmaschine oder dgl.
DE102007047215A1 (de) 2007-10-02 2011-02-17 David Guitelmakher Bergschneidwerkzeug
DE202008007212U1 (de) 2008-05-29 2008-11-27 Guitelmakher, David Bergschneidwerkzeug

Also Published As

Publication number Publication date
US4729603A (en) 1988-03-08
GB2168404B (en) 1988-01-06
GB2168404A (en) 1986-06-18
DE3442546A1 (de) 1986-05-28
GB8528777D0 (en) 1985-12-24

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee