BE812832A - Couronne de forage par percussion - Google Patents

Couronne de forage par percussion

Info

Publication number
BE812832A
BE812832A BE142449A BE142449A BE812832A BE 812832 A BE812832 A BE 812832A BE 142449 A BE142449 A BE 142449A BE 142449 A BE142449 A BE 142449A BE 812832 A BE812832 A BE 812832A
Authority
BE
Belgium
Prior art keywords
percussion drill
drill crown
crown
percussion
drill
Prior art date
Application number
BE142449A
Other languages
English (en)
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 filed Critical
Publication of BE812832A publication Critical patent/BE812832A/fr

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
    • E21B10/58—Chisel-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
    • E21B10/46—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)
BE142449A 1973-04-14 1974-03-26 Couronne de forage par percussion BE812832A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732318928 DE2318928A1 (de) 1973-04-14 1973-04-14 Schlagbohrkrone

Publications (1)

Publication Number Publication Date
BE812832A true BE812832A (fr) 1974-07-15

Family

ID=5878113

Family Applications (1)

Application Number Title Priority Date Filing Date
BE142449A BE812832A (fr) 1973-04-14 1974-03-26 Couronne de forage par percussion

Country Status (5)

Country Link
AT (1) AT329486B (fr)
BE (1) BE812832A (fr)
DE (1) DE2318928A1 (fr)
FR (1) FR2225613B1 (fr)
IT (1) IT1009747B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19811887A1 (de) * 1998-03-18 1999-09-23 Plica Werkzeugfabrik Ag Mollis Hammerbohrwerkzeug

Also Published As

Publication number Publication date
ATA261474A (de) 1975-08-15
AT329486B (de) 1976-05-10
IT1009747B (it) 1976-12-20
FR2225613A1 (fr) 1974-11-08
DE2318928A1 (de) 1974-10-24
FR2225613B1 (fr) 1977-10-07

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