DE2124958A1 - Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte - Google Patents

Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte

Info

Publication number
DE2124958A1
DE2124958A1 DE19712124958 DE2124958A DE2124958A1 DE 2124958 A1 DE2124958 A1 DE 2124958A1 DE 19712124958 DE19712124958 DE 19712124958 DE 2124958 A DE2124958 A DE 2124958A DE 2124958 A1 DE2124958 A1 DE 2124958A1
Authority
DE
Germany
Prior art keywords
drill bit
outer edge
bit body
insert pins
pins
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.)
Pending
Application number
DE19712124958
Other languages
German (de)
English (en)
Inventor
Ernst Dr.-Ing. Wien. E21c 15-00 Fischer
Original Assignee
Gebr. Böhler & Co. AG, Wien
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 Gebr. Böhler & Co. AG, Wien filed Critical Gebr. Böhler & Co. AG, Wien
Publication of DE2124958A1 publication Critical patent/DE2124958A1/de
Pending 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
    • E21B10/36—Percussion drill bits
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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

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)
DE19712124958 1970-06-05 1971-05-19 Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte Pending DE2124958A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT504170A AT302937B (de) 1970-06-05 1970-06-05 Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte

Publications (1)

Publication Number Publication Date
DE2124958A1 true DE2124958A1 (de) 1971-12-16

Family

ID=3571262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712124958 Pending DE2124958A1 (de) 1970-06-05 1971-05-19 Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte

Country Status (6)

Country Link
US (1) US3800892A (enExample)
AT (1) AT302937B (enExample)
BE (1) BE768001A (enExample)
CH (1) CH521511A (enExample)
DE (1) DE2124958A1 (enExample)
FR (1) FR2095838A5 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915246A (en) * 1974-05-16 1975-10-28 Adel E Sheshtawy Rotary drilling bit
US4296825A (en) * 1977-11-25 1981-10-27 Sandvik Aktiebolag Rock drill
US4304312A (en) * 1980-01-11 1981-12-08 Sandvik Aktiebolag Percussion drill bit having centrally projecting insert
US4515226A (en) * 1983-03-07 1985-05-07 Norton Christensen, Inc. Tooth design to avoid shearing stresses
FR2623242A1 (fr) * 1987-11-12 1989-05-19 Contant Paul Carottier pneumatique pour fouilles cylindriques en roches
DE4101458A1 (de) * 1991-01-19 1992-07-23 Wolf Thomas Fuer einen mit axialem druck und schlaegen arbeitenden, umlaufenden gesteinsbohrer bestimmter bohrmeissel
US5467836A (en) * 1992-01-31 1995-11-21 Baker Hughes Incorporated Fixed cutter bit with shear cutting gage
GB2296267B (en) * 1994-12-21 1998-06-10 Smith International Hammer rock bit gage protection
SE0402026L (sv) * 2004-08-17 2006-01-17 Sandvik Intellectual Property Bergborrkrona och gängförband för slående bergborrning

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE645377A (enExample) *
US2689108A (en) * 1950-07-04 1954-09-14 Sandvikens Jernverks Ab Rock drill bit with hard m etal cutting insert
US3185228A (en) * 1963-01-21 1965-05-25 Hughes Tool Co Rotary-percussion drill bit with heel row inserts to prevent wedging
US3311181A (en) * 1964-05-04 1967-03-28 John B Fowler Bi-metal drilling tooth
US3346060A (en) * 1965-12-23 1967-10-10 Beyer Leaman Rex Rotary-air-percussion, stabilizer and reamer drill bit of its own true gauge
US3536150A (en) * 1968-09-05 1970-10-27 Frank E Stebley Rotary-percussion drill bit
US3583504A (en) * 1969-02-24 1971-06-08 Mission Mfg Co Gauge cutting bit
US3548959A (en) * 1969-07-10 1970-12-22 Gulf Research Development Co Relief-type jet bits

Also Published As

Publication number Publication date
AT302937B (de) 1972-11-10
CH521511A (de) 1972-04-15
FR2095838A5 (enExample) 1972-02-11
US3800892A (en) 1974-04-02
BE768001A (fr) 1971-11-03

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination