SE7606052L - Borrkrona for slagborrning - Google Patents

Borrkrona for slagborrning

Info

Publication number
SE7606052L
SE7606052L SE7606052A SE7606052A SE7606052L SE 7606052 L SE7606052 L SE 7606052L SE 7606052 A SE7606052 A SE 7606052A SE 7606052 A SE7606052 A SE 7606052A SE 7606052 L SE7606052 L SE 7606052L
Authority
SE
Sweden
Prior art keywords
impact drilling
drill crown
crown
drill
drilling
Prior art date
Application number
SE7606052A
Other languages
English (en)
Other versions
SE413335B (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 SE7606052A priority Critical patent/SE413335B/sv
Publication of SE7606052L publication Critical patent/SE7606052L/sv
Publication of SE413335B publication Critical patent/SE413335B/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

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)
SE7606052A 1976-05-28 1976-05-28 Borrkrona for slagborrning SE413335B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7606052A SE413335B (sv) 1976-05-28 1976-05-28 Borrkrona for slagborrning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7606052A SE413335B (sv) 1976-05-28 1976-05-28 Borrkrona for slagborrning

Publications (2)

Publication Number Publication Date
SE7606052L true SE7606052L (sv) 1977-11-29
SE413335B SE413335B (sv) 1980-05-19

Family

ID=20328040

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7606052A SE413335B (sv) 1976-05-28 1976-05-28 Borrkrona for slagborrning

Country Status (1)

Country Link
SE (1) SE413335B (sv)

Also Published As

Publication number Publication date
SE413335B (sv) 1980-05-19

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