FI751350A7 - - Google Patents

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Publication number
FI751350A7
FI751350A7 FI751350A FI751350A FI751350A7 FI 751350 A7 FI751350 A7 FI 751350A7 FI 751350 A FI751350 A FI 751350A FI 751350 A FI751350 A FI 751350A FI 751350 A7 FI751350 A7 FI 751350A7
Authority
FI
Finland
Application number
FI751350A
Other languages
Finnish (fi)
Inventor
Ingemar Niemi
Original Assignee
Luossavaara Kiirunavaara 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 Luossavaara Kiirunavaara Ab filed Critical Luossavaara Kiirunavaara Ab
Publication of FI751350A7 publication Critical patent/FI751350A7/fi

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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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/043—Threaded with locking means

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)
FI751350A 1974-05-07 1975-05-07 FI751350A7 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7406078A SE382089B (sv) 1974-05-07 1974-05-07 Lasanordning for skarvdon till borrstenger

Publications (1)

Publication Number Publication Date
FI751350A7 true FI751350A7 (cs) 1975-11-08

Family

ID=20321049

Family Applications (1)

Application Number Title Priority Date Filing Date
FI751350A FI751350A7 (cs) 1974-05-07 1975-05-07

Country Status (3)

Country Link
FI (1) FI751350A7 (cs)
NO (1) NO751629L (cs)
SE (1) SE382089B (cs)

Also Published As

Publication number Publication date
SE7406078L (sv) 1975-11-10
NO751629L (cs) 1975-11-10
SE382089B (sv) 1976-01-12

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: LUOSSAVAARA-KIIRUNAVAARA AB