NO133332B - - Google Patents

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Publication number
NO133332B
NO133332B NO3154/72A NO315472A NO133332B NO 133332 B NO133332 B NO 133332B NO 3154/72 A NO3154/72 A NO 3154/72A NO 315472 A NO315472 A NO 315472A NO 133332 B NO133332 B NO 133332B
Authority
NO
Norway
Prior art keywords
line
pressure
motor
valve
drill rod
Prior art date
Application number
NO3154/72A
Other languages
English (en)
Norwegian (no)
Other versions
NO133332C (ja
Inventor
Y A Ein
K G G Ek
K G B Ekwall
E J A Engqvist
A H Jaegerstroem
S W Sjoegren
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 NO133332B publication Critical patent/NO133332B/no
Publication of NO133332C publication Critical patent/NO133332C/no

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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
NO3154/72A 1971-09-07 1972-09-05 NO133332C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE11297/71A SE361704B (ja) 1971-09-07 1971-09-07

Publications (2)

Publication Number Publication Date
NO133332B true NO133332B (ja) 1976-01-05
NO133332C NO133332C (ja) 1976-04-12

Family

ID=20293707

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3154/72A NO133332C (ja) 1971-09-07 1972-09-05

Country Status (12)

Country Link
JP (1) JPS5335881B2 (ja)
AT (1) AT321228B (ja)
CH (1) CH541713A (ja)
DE (1) DE2242920C3 (ja)
FI (1) FI55893C (ja)
FR (1) FR2152709B1 (ja)
GB (1) GB1346540A (ja)
IT (1) IT965181B (ja)
NO (1) NO133332C (ja)
PL (1) PL76065B1 (ja)
SE (1) SE361704B (ja)
ZA (1) ZA725902B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2960619D1 (en) * 1978-05-19 1981-11-12 Roehm Guenter H Chuck for turning machines
DE3005459A1 (de) * 1980-02-14 1981-08-20 Paul Forkardt KG, 4000 Düsseldorf Spannfutter fuer drehmaschinen
JPS5871162A (ja) * 1981-10-24 1983-04-27 Komori Printing Mach Co Ltd 反転機構付枚葉輪転印刷機の位相調整装置
FI943695A (fi) * 1994-08-10 1996-02-11 Valto Ilomaeki Menetelmä poralaitteen säätämiseksi
RU2645056C2 (ru) 2012-12-12 2018-02-15 Вермеер Мануфекчеринг Компани Системы и способы определения износа измельчающих элементов измельчительной машины

Also Published As

Publication number Publication date
DE2242920A1 (de) 1973-04-05
FR2152709B1 (ja) 1977-01-14
ZA725902B (en) 1973-06-27
SE361704B (ja) 1973-11-12
DE2242920C3 (de) 1974-01-10
CH541713A (de) 1973-09-15
AT321228B (de) 1975-03-25
FI55893B (fi) 1979-06-29
IT965181B (it) 1974-01-31
PL76065B1 (en) 1975-02-28
JPS5335881B2 (ja) 1978-09-29
FR2152709A1 (ja) 1973-04-27
FI55893C (fi) 1979-10-10
NO133332C (ja) 1976-04-12
DE2242920B2 (de) 1973-06-14
JPS4839301A (ja) 1973-06-09
GB1346540A (en) 1974-02-13

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