DK259775A - Hammerborekrone - Google Patents

Hammerborekrone

Info

Publication number
DK259775A
DK259775A DK259775A DK259775A DK259775A DK 259775 A DK259775 A DK 259775A DK 259775 A DK259775 A DK 259775A DK 259775 A DK259775 A DK 259775A DK 259775 A DK259775 A DK 259775A
Authority
DK
Denmark
Prior art keywords
hammer drilling
drilling crowns
crowns
hammer
drilling
Prior art date
Application number
DK259775A
Other languages
Danish (da)
English (en)
Inventor
J Allard
Original Assignee
Ugine Aciers
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 Ugine Aciers filed Critical Ugine Aciers
Publication of DK259775A publication Critical patent/DK259775A/da

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
    • E21B10/36Percussion drill bits
    • E21B10/38Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • 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
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
    • 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
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid operated hammers

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)
DK259775A 1974-06-12 1975-06-10 Hammerborekrone DK259775A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7420266A FR2274780A1 (fr) 1974-06-12 1974-06-12 Taillants a boutons pour perforation au rocher au moyen d'un marteau fond de trou a soufflage lateral

Publications (1)

Publication Number Publication Date
DK259775A true DK259775A (da) 1975-12-13

Family

ID=9139931

Family Applications (1)

Application Number Title Priority Date Filing Date
DK259775A DK259775A (da) 1974-06-12 1975-06-10 Hammerborekrone

Country Status (10)

Country Link
BE (1) BE830175A (de)
DE (1) DE2525905C3 (de)
DK (1) DK259775A (de)
ES (1) ES438381A1 (de)
FR (1) FR2274780A1 (de)
GB (1) GB1506239A (de)
IE (1) IE41088B1 (de)
IT (1) IT1038877B (de)
LU (1) LU72713A1 (de)
NL (1) NL7507038A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT354960B (de) * 1978-04-06 1980-02-11 Panzer Ferdinand Bohrkrone fuer die herstellung von bohrungen in erdreich oder gestein
FR2424408A1 (fr) * 1978-04-24 1979-11-23 Stenuick Freres Taillant de perforation pour marteau pneumatique fond-de-trou
DE2854461C2 (de) * 1978-12-16 1983-03-10 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Versenkbohrhammer
CN105041221A (zh) * 2015-09-10 2015-11-11 贵州中钻机械设备有限公司 快速钻进凿岩钻头

Also Published As

Publication number Publication date
BE830175A (fr) 1975-12-12
DE2525905C3 (de) 1978-09-28
IE41088B1 (en) 1979-10-10
IT1038877B (it) 1979-11-30
FR2274780B1 (de) 1977-03-11
ES438381A1 (es) 1977-01-16
IE41088L (en) 1975-12-12
NL7507038A (nl) 1975-12-16
GB1506239A (en) 1978-04-05
FR2274780A1 (fr) 1976-01-09
LU72713A1 (de) 1976-04-13
DE2525905B2 (de) 1976-12-09
DE2525905A1 (de) 1975-12-18

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