DE68920585T2 - Schneidewerkzeug. - Google Patents

Schneidewerkzeug.

Info

Publication number
DE68920585T2
DE68920585T2 DE68920585T DE68920585T DE68920585T2 DE 68920585 T2 DE68920585 T2 DE 68920585T2 DE 68920585 T DE68920585 T DE 68920585T DE 68920585 T DE68920585 T DE 68920585T DE 68920585 T2 DE68920585 T2 DE 68920585T2
Authority
DE
Germany
Prior art keywords
tip
socket
rear end
wear resistant
steel
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
DE68920585T
Other languages
English (en)
Other versions
DE68920585D1 (de
Inventor
Stephen Stiffler
Wayne 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
Priority claimed from US07/221,839 external-priority patent/US4911503A/en
Application filed by Kennametal Inc filed Critical Kennametal Inc
Application granted granted Critical
Publication of DE68920585D1 publication Critical patent/DE68920585D1/de
Publication of DE68920585T2 publication Critical patent/DE68920585T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • 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
    • E21C35/1831—Fixing methods or devices
    • 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
DE68920585T 1988-07-20 1989-07-13 Schneidewerkzeug. Expired - Fee Related DE68920585T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/221,839 US4911503A (en) 1988-07-20 1988-07-20 Earth engaging cutter bit
US07/303,510 US4940288A (en) 1988-07-20 1989-01-27 Earth engaging cutter bit
PCT/US1989/003036 WO1990001106A1 (en) 1988-07-20 1989-07-13 Cutter bit

Publications (2)

Publication Number Publication Date
DE68920585D1 DE68920585D1 (de) 1995-02-23
DE68920585T2 true DE68920585T2 (de) 1995-05-24

Family

ID=26916196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920585T Expired - Fee Related DE68920585T2 (de) 1988-07-20 1989-07-13 Schneidewerkzeug.

Country Status (12)

Country Link
US (1) US4940288A (de)
EP (1) EP0428599B1 (de)
JP (1) JPH03503430A (de)
KR (1) KR900702170A (de)
CN (1) CN1028662C (de)
AT (1) ATE117049T1 (de)
AU (1) AU617517B2 (de)
CA (1) CA1313382C (de)
DE (1) DE68920585T2 (de)
ES (1) ES2015173A6 (de)
PL (1) PL161730B1 (de)
WO (1) WO1990001106A1 (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141289A (en) * 1988-07-20 1992-08-25 Kennametal Inc. Cemented carbide tip
US4981328A (en) * 1989-08-22 1991-01-01 Kennametal Inc. Rotatable tool having a carbide insert with bumps
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
US6554369B2 (en) 2001-07-12 2003-04-29 The Sollami Company Cutting tool with hardened insert
US6851758B2 (en) * 2002-12-20 2005-02-08 Kennametal Inc. Rotatable bit having a resilient retainer sleeve with clearance
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
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
US7980582B2 (en) * 2006-08-09 2011-07-19 Atc Leasing Company Llc Front tow extended saddle
US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US7445294B2 (en) * 2006-08-11 2008-11-04 Hall David R Attack tool
US8453497B2 (en) 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US7390066B2 (en) 2006-08-11 2008-06-24 Hall David R Method for providing a degradation drum
US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US8215420B2 (en) 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US8118371B2 (en) 2006-08-11 2012-02-21 Schlumberger Technology Corporation Resilient pick shank
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US7338135B1 (en) * 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US7992944B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Manually rotatable tool
US7871133B2 (en) 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US7475948B2 (en) 2006-08-11 2009-01-13 Hall David R Pick with a bearing
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7635168B2 (en) * 2006-08-11 2009-12-22 Hall David R Degradation assembly shield
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
US8590644B2 (en) 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US7320505B1 (en) 2006-08-11 2008-01-22 Hall David R Attack tool
US7997661B2 (en) * 2006-08-11 2011-08-16 Schlumberger Technology Corporation Tapered bore in a pick
US7464993B2 (en) * 2006-08-11 2008-12-16 Hall David R Attack tool
US7963617B2 (en) * 2006-08-11 2011-06-21 Schlumberger Technology Corporation Degradation assembly
US7413256B2 (en) * 2006-08-11 2008-08-19 Hall David R Washer for a degradation assembly
US7992945B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Hollow pick shank
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US8033616B2 (en) * 2006-08-11 2011-10-11 Schlumberger Technology Corporation Braze thickness control
US20130341999A1 (en) * 2006-08-11 2013-12-26 David R. Hall Attack Tool with an Interruption
US8123302B2 (en) 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US7669674B2 (en) 2006-08-11 2010-03-02 Hall David R Degradation assembly
US8292372B2 (en) 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US7384105B2 (en) * 2006-08-11 2008-06-10 Hall David R Attack tool
US8500209B2 (en) 2006-08-11 2013-08-06 Schlumberger Technology Corporation Manually rotatable tool
US8485609B2 (en) * 2006-08-11 2013-07-16 Schlumberger Technology Corporation Impact tool
US8714285B2 (en) 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US7648210B2 (en) 2006-08-11 2010-01-19 Hall David R Pick with an interlocked bolster
US8007051B2 (en) * 2006-08-11 2011-08-30 Schlumberger Technology Corporation Shank assembly
US7419224B2 (en) * 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
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
US7387345B2 (en) * 2006-08-11 2008-06-17 Hall David R Lubricating drum
US8622155B2 (en) 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US8136887B2 (en) 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill 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
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
US7976239B2 (en) * 2006-12-01 2011-07-12 Hall David R End of a moldboard positioned proximate a milling drum
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
US8210618B2 (en) * 2007-08-23 2012-07-03 Sandvik Intellectual Property Ab Reduced volume cutting tip and cutter bit assembly incorporating same
US8678517B2 (en) 2007-08-23 2014-03-25 Sandvik Intellectual Property Ab Reduced volume cutting tip and cutting bit incorporating same
US7832808B2 (en) 2007-10-30 2010-11-16 Hall David R Tool holder sleeve
US20110254350A1 (en) 2007-12-21 2011-10-20 Hall David R Resilent Connection between a Pick Shank and Block
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
WO2010117765A1 (en) * 2009-03-30 2010-10-14 Schlumberger Canada Limited Double sintered thermally stable polycrystalline diamond cutting elements
US20100259092A1 (en) * 2009-04-08 2010-10-14 Adam Joseph Kelly Rotatable Cutting Tool With Continuous Arcuate Head Portion
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
CN101876249B (zh) * 2009-11-03 2012-05-23 武汉科技大学 一种金属陶瓷煤截齿的制备方法
US9028009B2 (en) 2010-01-20 2015-05-12 Element Six Gmbh Pick tool and method for making same
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
US8449039B2 (en) 2010-08-16 2013-05-28 David R. Hall Pick assembly with integrated piston
CN102121383A (zh) * 2010-10-17 2011-07-13 李仕清 一种高效截齿
US8728382B2 (en) 2011-03-29 2014-05-20 David R. Hall Forming a polycrystalline ceramic in multiple sintering phases
ES2436501T3 (es) * 2011-06-28 2014-01-02 Sandvik Intellectual Property Ab Punta de corte y fresa de corte con mayores resistencia y capacidad de penetración
US8668275B2 (en) 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
EP2740884B1 (de) * 2012-12-06 2015-02-25 Sandvik Intellectual Property AB Steinbohrspitze und Steinbohrer
CN103009001B (zh) * 2012-12-20 2015-06-10 河南省煤科院耐磨技术有限公司 一种冷装配低截割阻力耐磨镐型截齿生产方法
WO2015072980A1 (en) * 2013-11-13 2015-05-21 Halliburton Energy Services, Inc. Enhanced pcd cutter pocket surface geometry to improve attachment
GB201901712D0 (en) 2019-02-07 2019-03-27 Element Six Gmbh Pick tool for road milling

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US2614813A (en) * 1949-07-08 1952-10-21 Ingersoll Rand Co Rock drilling tool
US2628072A (en) * 1949-09-01 1953-02-10 Timken Roller Bearing Co Drill bit having groove with hard metal cutter insert brazed therein
US2707619A (en) * 1950-06-22 1955-05-03 Sandvikens Jernverks Ab Percussion drills
US2784943A (en) * 1952-11-03 1957-03-12 Sandvikens Jernverks Ab Rock drill bit with cutting insert
SU132160A1 (ru) * 1960-03-04 1960-11-30 Н.Р. Андерс Твердосплавна пластинка дл инструмента, например горного, работающего в т желых услови х
GB1089611A (en) * 1964-01-10 1967-11-01 Coal Industry Patents Ltd Coal cutter picks
US3519309A (en) * 1965-08-12 1970-07-07 Kennametal Inc Rotary cone bit retained by captive keeper ring
US3557416A (en) * 1968-08-16 1971-01-26 Kennametal Inc Cutting insert
SU402655A1 (ru) * 1971-05-21 1973-10-19 Струговый резец
SU605905A1 (ru) * 1973-06-27 1978-05-05 Украинский Институт Инженеров Водного Хозяйства Способ прот гивани дренажных труб в кротовую дрену и устройство дл его осуществлени
US4216832A (en) * 1976-06-24 1980-08-12 Kennametal Inc. Furrowing tool
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SU781341A1 (ru) * 1979-01-03 1980-11-23 Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Украинской Сср Резец дл горных машин
SE450259C (sv) * 1983-03-23 1996-07-04 Sandvik Ab Verktyg för brytning eller avverkning av fasta material, såsom asfalt
US4497520A (en) * 1983-04-29 1985-02-05 Gte Products Corporation Rotatable cutting bit
US4547020A (en) * 1983-05-09 1985-10-15 Gte Products Corporation Rotatable cutting bit
SE436433B (sv) * 1984-01-20 1984-12-10 Santrade Ltd Verktyg for brytning av fasta material

Also Published As

Publication number Publication date
ATE117049T1 (de) 1995-01-15
US4940288A (en) 1990-07-10
EP0428599A4 (en) 1991-10-23
CN1040247A (zh) 1990-03-07
JPH03503430A (ja) 1991-08-01
EP0428599B1 (de) 1995-01-11
PL161730B1 (pl) 1993-07-30
AU4050089A (en) 1990-02-19
CA1313382C (en) 1993-02-02
KR900702170A (ko) 1990-12-06
EP0428599A1 (de) 1991-05-29
CN1028662C (zh) 1995-05-31
DE68920585D1 (de) 1995-02-23
AU617517B2 (en) 1991-11-28
ES2015173A6 (es) 1990-08-01
WO1990001106A1 (en) 1990-02-08

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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