SE7909097L - Helstangsborr for slagborrning - Google Patents

Helstangsborr for slagborrning

Info

Publication number
SE7909097L
SE7909097L SE7909097A SE7909097A SE7909097L SE 7909097 L SE7909097 L SE 7909097L SE 7909097 A SE7909097 A SE 7909097A SE 7909097 A SE7909097 A SE 7909097A SE 7909097 L SE7909097 L SE 7909097L
Authority
SE
Sweden
Prior art keywords
impact drilling
full stand
drill
stand drill
full
Prior art date
Application number
SE7909097A
Other languages
English (en)
Other versions
SE432279B (sv
Inventor
L E Larsson
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE7909097A priority Critical patent/SE432279B/sv
Publication of SE7909097L publication Critical patent/SE7909097L/sv
Publication of SE432279B publication Critical patent/SE432279B/sv

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

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)
SE7909097A 1979-11-02 1979-11-02 Helstangsborr for slagborrning SE432279B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7909097A SE432279B (sv) 1979-11-02 1979-11-02 Helstangsborr for slagborrning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7909097A SE432279B (sv) 1979-11-02 1979-11-02 Helstangsborr for slagborrning

Publications (2)

Publication Number Publication Date
SE7909097L true SE7909097L (sv) 1981-05-03
SE432279B SE432279B (sv) 1984-03-26

Family

ID=20339234

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7909097A SE432279B (sv) 1979-11-02 1979-11-02 Helstangsborr for slagborrning

Country Status (1)

Country Link
SE (1) SE432279B (sv)

Also Published As

Publication number Publication date
SE432279B (sv) 1984-03-26

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