SE9001390L - Borrverktyg - Google Patents

Borrverktyg

Info

Publication number
SE9001390L
SE9001390L SE9001390A SE9001390A SE9001390L SE 9001390 L SE9001390 L SE 9001390L SE 9001390 A SE9001390 A SE 9001390A SE 9001390 A SE9001390 A SE 9001390A SE 9001390 L SE9001390 L SE 9001390L
Authority
SE
Sweden
Prior art keywords
drilling
crown
striker
rods
machine tool
Prior art date
Application number
SE9001390A
Other languages
English (en)
Other versions
SE9001390D0 (sv
Inventor
K Andersson
Original Assignee
Atlas Copco Constr & Mining
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 Atlas Copco Constr & Mining filed Critical Atlas Copco Constr & Mining
Priority to SE9001390A priority Critical patent/SE9001390L/sv
Publication of SE9001390D0 publication Critical patent/SE9001390D0/sv
Publication of SE9001390L publication Critical patent/SE9001390L/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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
SE9001390A 1990-04-19 1990-04-19 Borrverktyg SE9001390L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9001390A SE9001390L (sv) 1990-04-19 1990-04-19 Borrverktyg

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9001390A SE9001390L (sv) 1990-04-19 1990-04-19 Borrverktyg

Publications (2)

Publication Number Publication Date
SE9001390D0 SE9001390D0 (sv) 1990-04-19
SE9001390L true SE9001390L (sv) 1991-10-20

Family

ID=20379212

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9001390A SE9001390L (sv) 1990-04-19 1990-04-19 Borrverktyg

Country Status (1)

Country Link
SE (1) SE9001390L (sv)

Also Published As

Publication number Publication date
SE9001390D0 (sv) 1990-04-19

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