SE7908034L - Bergborrningsverktyg - Google Patents

Bergborrningsverktyg

Info

Publication number
SE7908034L
SE7908034L SE7908034A SE7908034A SE7908034L SE 7908034 L SE7908034 L SE 7908034L SE 7908034 A SE7908034 A SE 7908034A SE 7908034 A SE7908034 A SE 7908034A SE 7908034 L SE7908034 L SE 7908034L
Authority
SE
Sweden
Prior art keywords
rock drilling
drilling tools
tools
rock
drilling
Prior art date
Application number
SE7908034A
Other languages
English (en)
Inventor
T Helgesson
Original Assignee
Fagersta 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 Fagersta Ab filed Critical Fagersta Ab
Priority to SE7908034A priority Critical patent/SE7908034L/sv
Publication of SE7908034L publication Critical patent/SE7908034L/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)
SE7908034A 1978-10-23 1979-09-28 Bergborrningsverktyg SE7908034L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7908034A SE7908034L (sv) 1978-10-23 1979-09-28 Bergborrningsverktyg

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7810992 1978-10-23
SE7908034A SE7908034L (sv) 1978-10-23 1979-09-28 Bergborrningsverktyg

Publications (1)

Publication Number Publication Date
SE7908034L true SE7908034L (sv) 1980-04-24

Family

ID=26657132

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908034A SE7908034L (sv) 1978-10-23 1979-09-28 Bergborrningsverktyg

Country Status (1)

Country Link
SE (1) SE7908034L (sv)

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