ATE75524T1 - Bohrmeissel und dazugehoerige schneidrolle. - Google Patents

Bohrmeissel und dazugehoerige schneidrolle.

Info

Publication number
ATE75524T1
ATE75524T1 AT86850326T AT86850326T ATE75524T1 AT E75524 T1 ATE75524 T1 AT E75524T1 AT 86850326 T AT86850326 T AT 86850326T AT 86850326 T AT86850326 T AT 86850326T AT E75524 T1 ATE75524 T1 AT E75524T1
Authority
AT
Austria
Prior art keywords
roller cutter
saddle
rows
drill bit
cutting means
Prior art date
Application number
AT86850326T
Other languages
English (en)
Inventor
Michael Mattsson
Lars-Erik Tunell
Original Assignee
Santrade 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 Santrade Ltd filed Critical Santrade Ltd
Application granted granted Critical
Publication of ATE75524T1 publication Critical patent/ATE75524T1/de

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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
    • 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
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Drilling And Boring (AREA)
  • Numerical Control (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
AT86850326T 1985-10-11 1986-09-26 Bohrmeissel und dazugehoerige schneidrolle. ATE75524T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8504711A SE459436B (sv) 1985-10-11 1985-10-11 Borrhuvud och skaerrulle avsedd att anvaendas vid detta
EP86850326A EP0218567B1 (de) 1985-10-11 1986-09-26 Bohrmeissel und dazugehörige Schneidrolle

Publications (1)

Publication Number Publication Date
ATE75524T1 true ATE75524T1 (de) 1992-05-15

Family

ID=20361700

Family Applications (2)

Application Number Title Priority Date Filing Date
AT86850326T ATE75524T1 (de) 1985-10-11 1986-09-26 Bohrmeissel und dazugehoerige schneidrolle.
AT91200364T ATE131571T1 (de) 1985-10-11 1986-09-26 Rollenschneide für einen bohrmeisse

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT91200364T ATE131571T1 (de) 1985-10-11 1986-09-26 Rollenschneide für einen bohrmeisse

Country Status (9)

Country Link
US (1) US4832136A (de)
EP (2) EP0435861B1 (de)
AT (2) ATE75524T1 (de)
AU (1) AU593019B2 (de)
CA (1) CA1254195A (de)
DE (2) DE3685076D1 (de)
NO (1) NO175913C (de)
SE (1) SE459436B (de)
ZA (1) ZA867512B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999018326A1 (en) * 1997-10-06 1999-04-15 Excavation Engineering Associates, Inc. Small disc cutters, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters
DE10150685B4 (de) * 2001-10-17 2007-06-14 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH Arbeitskopf mit veränderbarem Schneidabstand der Schneidrollen für eine Vorrichtung zum Vortreiben von Strecken, Tunneln oder dergleichen
US7370711B2 (en) * 2005-08-15 2008-05-13 Smith International, Inc. Rolling cone drill bit having non-circumferentially arranged cutter elements
US7686104B2 (en) * 2005-08-15 2010-03-30 Smith International, Inc. Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions
US9016407B2 (en) * 2007-12-07 2015-04-28 Smith International, Inc. Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied
US8100202B2 (en) * 2008-04-01 2012-01-24 Smith International, Inc. Fixed cutter bit with backup cutter elements on secondary blades

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1646620A (en) * 1923-09-04 1927-10-25 F M Fishback Rotary disk drill
DE1805336A1 (de) * 1968-10-25 1970-05-14 Edelstahlwerk J C Soeding & Ha Bohrgeraet
US3756332A (en) * 1971-11-01 1973-09-04 Robbins Co Disc type center cutter for a boring machine
ZA723776B (en) * 1972-06-02 1974-01-30 Hard Metals Ltd Disc cutting unit for use on rock boring machines
US3797592A (en) * 1972-11-21 1974-03-19 Kennametal Inc Stabilizing roller
US3863994A (en) * 1973-09-24 1975-02-04 Jarva Corp Bidirectional roller cutter
SU754058A1 (ru) * 1976-06-22 1980-08-07 Московский Ордена Трудового Красного Знамени Горный Институт Проходческий комбайн дл электротермической проходки горных выработок
DE2742019C3 (de) * 1977-09-17 1980-07-03 Demag Ag, 4100 Duisburg Rollenbohrwerkzeug für Tunnelvortriebsmaschinen
DE2838154C3 (de) * 1978-09-01 1981-09-17 Mannesmann Demag Ag, 4100 Duisburg Rotierender mit sternförmig nach außen gerichteten Armen versehener Bohrkopf für Vollschnitt-Tunnelvortriebsmaschinen
SE463110B (sv) * 1979-02-02 1990-10-08 Sandvik Ab Saett och anordning foer stigortsdrivning
US4381038A (en) * 1980-11-21 1983-04-26 The Robbins Company Raise bit with cutters stepped in a spiral and flywheel
DE3132345C1 (de) * 1981-08-17 1983-01-13 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Halterung fuer Schneidwerkzeuge auf Bohrkoepfen
SE457656B (sv) * 1984-06-18 1989-01-16 Santrade Ltd Borrkrona innefattande en roterande skaerrulle och borrhuvud innefattande saadan borrkrona

Also Published As

Publication number Publication date
AU593019B2 (en) 1990-02-01
DE3685076D1 (de) 1992-06-04
EP0218567A3 (en) 1988-11-02
ZA867512B (en) 1987-05-27
EP0218567A2 (de) 1987-04-15
EP0435861B1 (de) 1995-12-13
NO864047D0 (no) 1986-10-10
NO175913C (no) 1994-12-28
SE8504711L (sv) 1987-04-12
SE459436B (sv) 1989-07-03
ATE131571T1 (de) 1995-12-15
NO175913B (no) 1994-09-19
EP0218567B1 (de) 1992-04-29
NO864047L (no) 1987-04-13
SE8504711D0 (sv) 1985-10-11
EP0435861A2 (de) 1991-07-03
DE3650450D1 (de) 1996-01-25
DE3650450T2 (de) 1996-05-02
EP0435861A3 (en) 1992-04-29
AU6325486A (en) 1987-04-16
CA1254195A (en) 1989-05-16
US4832136A (en) 1989-05-23

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee