NO119787B - - Google Patents

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Publication number
NO119787B
NO119787B NO17045867A NO17045867A NO119787B NO 119787 B NO119787 B NO 119787B NO 17045867 A NO17045867 A NO 17045867A NO 17045867 A NO17045867 A NO 17045867A NO 119787 B NO119787 B NO 119787B
Authority
NO
Norway
Prior art keywords
cutting
slits
stated
mold
fastening
Prior art date
Application number
NO17045867A
Other languages
English (en)
Norwegian (no)
Inventor
B Kalldin
K Magnusson
Original Assignee
Atlas Copco 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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of NO119787B publication Critical patent/NO119787B/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/38Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
NO17045867A 1966-11-30 1967-11-09 NO119787B (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1634566 1966-11-30

Publications (1)

Publication Number Publication Date
NO119787B true NO119787B (enExample) 1970-07-06

Family

ID=20302098

Family Applications (1)

Application Number Title Priority Date Filing Date
NO17045867A NO119787B (enExample) 1966-11-30 1967-11-09

Country Status (2)

Country Link
GB (1) GB1201489A (enExample)
NO (1) NO119787B (enExample)

Also Published As

Publication number Publication date
GB1201489A (en) 1970-08-05

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