FR2268940B1 - - Google Patents

Info

Publication number
FR2268940B1
FR2268940B1 FR7512656A FR7512656A FR2268940B1 FR 2268940 B1 FR2268940 B1 FR 2268940B1 FR 7512656 A FR7512656 A FR 7512656A FR 7512656 A FR7512656 A FR 7512656A FR 2268940 B1 FR2268940 B1 FR 2268940B1
Authority
FR
France
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
FR7512656A
Other versions
FR2268940A1 (fr
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Publication of FR2268940A1 publication Critical patent/FR2268940A1/fr
Application granted granted Critical
Publication of FR2268940B1 publication Critical patent/FR2268940B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/44—Planing knives
    • 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
    • E21B10/58—Chisel-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
    • E21C35/1835—Chemical composition or specific material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S76/00—Metal tools and implements, making
    • Y10S76/11—Tungsten and tungsten carbide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/26—Cutters, for shaping comprising cutting edge bonded to tool shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Earth Drilling (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
FR7512656A 1974-04-24 1975-04-23 Expired FR2268940B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1790974A GB1463137A (en) 1974-04-24 1974-04-24 Rock cutting tip inserts application
GB2428474 1974-05-31

Publications (2)

Publication Number Publication Date
FR2268940A1 FR2268940A1 (fr) 1975-11-21
FR2268940B1 true FR2268940B1 (fr) 1979-04-06

Family

ID=26252999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512656A Expired FR2268940B1 (fr) 1974-04-24 1975-04-23

Country Status (4)

Country Link
US (1) US4194790A (fr)
DE (1) DE2516147C2 (fr)
FR (1) FR2268940B1 (fr)
GB (1) GB1463137A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359335A (en) * 1980-06-05 1982-11-16 Smith International, Inc. Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite
US4674802A (en) * 1982-09-17 1987-06-23 Kennametal, Inc Multi-insert cutter bit
US4697489A (en) * 1984-07-05 1987-10-06 Kim George A Ultramicrotome tool
GB2188354B (en) * 1986-03-27 1989-11-22 Shell Int Research Rotary drill bit
GB8607701D0 (en) * 1986-03-27 1986-04-30 Shell Int Research Rotary drill bit
US4722405A (en) * 1986-10-01 1988-02-02 Dresser Industries, Inc. Wear compensating rock bit insert
US4770253A (en) * 1987-02-20 1988-09-13 Kennametal Inc. Grader blade with tiered inserts on leading edge
JPH01153228A (ja) * 1987-12-10 1989-06-15 Asahi Daiyamondo Kogyo Kk 気相合成ダイヤモンド工具の製造法
US5204167A (en) * 1989-02-23 1993-04-20 Toshiba Tungaloy Co., Ltd. Diamond-coated sintered body excellent in adhesion and process for preparing the same
US5066553A (en) * 1989-04-12 1991-11-19 Mitsubishi Metal Corporation Surface-coated tool member of tungsten carbide based cemented carbide
FR2677699B1 (fr) * 1991-06-11 1997-03-14 Total Petroles Outil de forage a molettes coniques rotatives.
US5224555A (en) * 1991-12-18 1993-07-06 Bucyrus Blades, Inc. Wear element for a scraping operation
US5762843A (en) * 1994-12-23 1998-06-09 Kennametal Inc. Method of making composite cermet articles
US5679445A (en) * 1994-12-23 1997-10-21 Kennametal Inc. Composite cermet articles and method of making
US5541006A (en) * 1994-12-23 1996-07-30 Kennametal Inc. Method of making composite cermet articles and the articles
US6183687B1 (en) 1995-08-11 2001-02-06 Kennametal Inc. Hard composite and method of making the same
US5623723A (en) * 1995-08-11 1997-04-22 Greenfield; Mark S. Hard composite and method of making the same
DE19742765A1 (de) * 1997-09-27 1999-04-01 Heller Geb Gmbh Maschf Schneidplatte, insbesondere Wendeplatte, Verfahren zur Herstellung einer solchen Schneidplatte, mit solchen Schneidplatten ausgestattetes Werkzeug und Verfahren zum Zerspanen eines Werkstückes unter Verwendung einer solchen Schneidplatte oder unter Einsatz eines solchen Werkzeuges
US6241035B1 (en) 1998-12-07 2001-06-05 Smith International, Inc. Superhard material enhanced inserts for earth-boring bits
US6302223B1 (en) 1999-10-06 2001-10-16 Baker Hughes Incorporated Rotary drag bit with enhanced hydraulic and stabilization characteristics
US6908688B1 (en) 2000-08-04 2005-06-21 Kennametal Inc. Graded composite hardmetals
US8789894B2 (en) * 2009-01-13 2014-07-29 Diamond Innovations, Inc. Radial tool with superhard cutting surface
US9771760B2 (en) 2009-03-09 2017-09-26 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US9593577B2 (en) 2012-09-28 2017-03-14 Element Six Gmbh Pick tool having a super-hard planar strike surface
US9428968B2 (en) 2013-04-26 2016-08-30 Kennametal Inc. Rotary drill bit with cutting insert having edge preparation
US20140319898A1 (en) * 2013-04-26 2014-10-30 Kennametal Inc. Radial cutter bit with cutting insert having edge preparation
US9303511B2 (en) 2013-04-26 2016-04-05 Kennametal Inc. Flat cutter bit with cutting insert having edge preparation
US9347276B2 (en) 2013-04-26 2016-05-24 Kennametal Inc. Two prong rotary drill bit with cutting insert having edge preparation
CN109356600B (zh) * 2018-11-18 2024-04-23 中电建铁路建设投资集团有限公司 一种盾构用多层金刚石复合片切削刀
CN113482613B (zh) * 2021-07-06 2024-02-27 太原理工大学 表面含有超硬耐磨颗粒的高耐磨截齿的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE610989C (de) * 1930-07-01 1935-03-20 Gewerkschaft Wallram Schraemmeissel mit Hartmetalleinsatz
US2033594A (en) * 1931-09-24 1936-03-10 Stoody Co Scarifier tooth
US1965950A (en) * 1932-11-07 1934-07-10 Mills Alloys Inc Scarifier tooth
US2053977A (en) * 1935-07-24 1936-09-08 Gen Electric Laminated cemented carbide tool bit
US2201159A (en) * 1937-05-10 1940-05-21 Philplug Products Ltd Boring or drilling tool
FR1067092A (fr) * 1952-11-24 1954-06-11 D Outil Et De Metallurg Soc In Perfectionnement aux outils à mise rapportée
US3010709A (en) * 1959-03-17 1961-11-28 Bentley Norwood Mining cutter bit
US3127945A (en) * 1960-03-02 1964-04-07 Jersey Prod Res Co Drag bit
US3260579A (en) * 1962-02-14 1966-07-12 Hughes Tool Co Hardfacing structure
US3368882A (en) * 1965-04-06 1968-02-13 Chromalloy American Corp Surface hardened composite metal article of manufacture
JPS5032055B2 (fr) * 1972-01-19 1975-10-17
US3790353A (en) * 1972-02-22 1974-02-05 Servco Co Division Smith Int I Hard-facing article
US3888637A (en) * 1972-12-29 1975-06-10 Komatsu Mfg Co Ltd Ripper point part
US3932952A (en) * 1973-12-17 1976-01-20 Caterpillar Tractor Co. Multi-material ripper tip

Also Published As

Publication number Publication date
FR2268940A1 (fr) 1975-11-21
DE2516147A1 (de) 1975-11-13
US4194790A (en) 1980-03-25
GB1463137A (en) 1977-02-02
DE2516147C2 (de) 1983-09-01

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Legal Events

Date Code Title Description
ST Notification of lapse