DE2751107A1 - Rotary-gesteinsmeissel mit im meisselarm verschweisstem lagerzapfen - Google Patents

Rotary-gesteinsmeissel mit im meisselarm verschweisstem lagerzapfen

Info

Publication number
DE2751107A1
DE2751107A1 DE19772751107 DE2751107A DE2751107A1 DE 2751107 A1 DE2751107 A1 DE 2751107A1 DE 19772751107 DE19772751107 DE 19772751107 DE 2751107 A DE2751107 A DE 2751107A DE 2751107 A1 DE2751107 A1 DE 2751107A1
Authority
DE
Germany
Prior art keywords
chisel
arm
seam
fastening
receiving surface
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.)
Withdrawn
Application number
DE19772751107
Other languages
German (de)
English (en)
Inventor
Carl Laurent Lichte
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of DE2751107A1 publication Critical patent/DE2751107A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/20Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0046Welding
    • B23K15/0053Seam welding
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/62Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/002Drill-bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
DE19772751107 1976-11-12 1977-11-11 Rotary-gesteinsmeissel mit im meisselarm verschweisstem lagerzapfen Withdrawn DE2751107A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/741,167 US4043411A (en) 1976-11-12 1976-11-12 Rotary rock bit with the bearing pin fused to the rock bit arm

Publications (1)

Publication Number Publication Date
DE2751107A1 true DE2751107A1 (de) 1978-07-20

Family

ID=24979655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772751107 Withdrawn DE2751107A1 (de) 1976-11-12 1977-11-11 Rotary-gesteinsmeissel mit im meisselarm verschweisstem lagerzapfen

Country Status (6)

Country Link
US (1) US4043411A (enExample)
CA (1) CA1059984A (enExample)
DE (1) DE2751107A1 (enExample)
FR (1) FR2372675A1 (enExample)
GB (1) GB1579439A (enExample)
IT (1) IT1089838B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098150A (en) * 1977-01-24 1978-07-04 Dresser Industries, Inc. Cone locking system for a rotary rock bit
US4157122A (en) * 1977-06-22 1979-06-05 Morris William A Rotary earth boring drill and method of assembly thereof
US4127043A (en) * 1977-06-17 1978-11-28 Smith International, Inc. Rock bit with welded bearing pins
US4145094A (en) * 1977-11-09 1979-03-20 Smith International, Inc. Rotary rock bit and method of making same
US4176724A (en) * 1977-11-14 1979-12-04 Smith International, Inc. Rotary rock bit and method of making same
US4187743A (en) * 1978-04-21 1980-02-12 Smith International, Inc. Rock bit and method of manufacture
US4256194A (en) * 1978-05-19 1981-03-17 Varel Manufacturing Company Rotary drill bit having a solid forged, unitary body
US4266622A (en) * 1979-01-15 1981-05-12 Smith International, Inc. Rotary rock bit and method of making same
US4350060A (en) * 1979-01-15 1982-09-21 Smith International, Inc. Method of making a rotary rock bit
US4209684A (en) * 1979-02-26 1980-06-24 Evans Robert F Fusion technique of assembling rotary drill bit and adjusting gage of cutting elements
US4333364A (en) * 1980-04-07 1982-06-08 Varel Manufacturing Company Method for manufacturing a rotary drill bit having a solid forged, unitary body
US4711143A (en) * 1986-07-25 1987-12-08 Nl Industries, Inc. Rock bit assembly method
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
US5944125A (en) * 1997-06-19 1999-08-31 Varel International, Inc. Rock bit with improved thrust face

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1989261A (en) * 1932-12-01 1935-01-29 Reed Roller Bit Co Roller bit
US2086397A (en) * 1935-06-22 1937-07-06 Guiberson Corp Drill bit
US2076002A (en) * 1935-11-06 1937-04-06 Chicago Pneumatic Tool Co Antifriction bearing assembly for earth boring drills
US2165584A (en) * 1936-07-22 1939-07-11 Smith Roller bit
US2194675A (en) * 1937-04-05 1940-03-26 David C Vance Drill bit
US2470695A (en) * 1947-11-17 1949-05-17 Globe Oil Tools Co Cone type well drilling bit
US2728559A (en) * 1951-12-10 1955-12-27 Reed Roller Bit Co Drill bits
US2697014A (en) * 1951-12-24 1954-12-14 Reed Roiler Bit Company Drill bit
US3086601A (en) * 1960-07-25 1963-04-23 Hughes Tool Co Rock bit with means for resisting radial thrust
US3239431A (en) * 1963-02-21 1966-03-08 Knapp Seth Raymond Rotary well bits
US3987859A (en) * 1973-10-24 1976-10-26 Dresser Industries, Inc. Unitized rotary rock bit
US3907191A (en) * 1973-10-24 1975-09-23 Dresser Ind Method of constructing a rotary rock bit

Also Published As

Publication number Publication date
FR2372675B1 (enExample) 1982-12-17
FR2372675A1 (fr) 1978-06-30
GB1579439A (en) 1980-11-19
IT1089838B (it) 1985-06-18
CA1059984A (en) 1979-08-07
US4043411A (en) 1977-08-23

Similar Documents

Publication Publication Date Title
DE2751107A1 (de) Rotary-gesteinsmeissel mit im meisselarm verschweisstem lagerzapfen
AT508232B1 (de) Schneidwerkzeug für eine bergbaumaschine
DE10325910B4 (de) Verfahren zur Einbringung von Strukturen in Anlageflächen, Vorrichtung zum Einbringen derartiger Strukturen und kraftschlüssig verbundene Körper
EP0941794A2 (de) Bohrwerkzeug
DE2851487A1 (de) Fraesmeissel fuer eine fraesvorrichtung
EP0355321B1 (de) Bohrvorrichtung zur Herstellung von Bohrlöcher mit Hinterschneidung
DE2831322A1 (de) Verfahren zur herstellung von gesteinsmeisseln und nach dem verfahren hergestellte gesteinsmeissel
DE2201215A1 (de) Verfahren zum Verschweissen eines Rohrs mit einer Rohrplatte
DE2716608A1 (de) Bearbeitungswerkzeug an maschinen zur reinigung der aussenflaeche von rohren einer fernleitung
EP3563000B1 (de) Werkzeugkombination mit einem meisselhalter und zwei meisseln
DE3510072A1 (de) Rundschaftmeissel
DE29506005U1 (de) Einrichtung zur Bearbeitung von Bohrungen in Werkstücken mittels Laserstrahl
DE10044369A1 (de) Schnellwechselhaltersystem für Werkzeuge auf Walzen
DE10226747B4 (de) Grundkörper aus gefügten Rohrstücken
DE2837038A1 (de) Bohrkopf fuer einen erweiterungsbohrer zum aufwaertsbohren
DE2756140A1 (de) Gesteinsbohrer fuer bohrloecher kleineren durchmessers
DE10056132C2 (de) Verfahren und Vorrichtung zur Bearbeitung von Naben homokinetischer Gelenke
DE812905C (de) Hohlgestaengeverbindung mit UEberwurfgewindemuffe fuer Rotary-Tiefbohrungen
DE2645877A1 (de) Meisselhalter
DE2449024C2 (de) Verfahren zum Herstellen eines aus mehreren Segmenten bestehenden Gestein-Bohrwerkzeuges
DE2725872C2 (de) Schrämwalze für eine Gewinnungsmaschine des Bergbaues
DE2951382A1 (de) Verfahren zur steuerung des fluchtens eines bohrmeisels und zentriervorrichtung
DE2056381A1 (de) Werkzeug oder Arbeitsgeratschaft, ins besondere fur die Gesteins oder Tiefbohrtech
EP0610827A1 (de) Verfahren zur Herstellung von verzinkten Stabelementen für Fachwerke, insbesondere Raumfachwerke
DE2821248C3 (de) Gesteinsbohrkrone zum Drehschlagbohrer

Legal Events

Date Code Title Description
8141 Disposal/no request for examination