JPS5335881B2 - - Google Patents

Info

Publication number
JPS5335881B2
JPS5335881B2 JP8875472A JP8875472A JPS5335881B2 JP S5335881 B2 JPS5335881 B2 JP S5335881B2 JP 8875472 A JP8875472 A JP 8875472A JP 8875472 A JP8875472 A JP 8875472A JP S5335881 B2 JPS5335881 B2 JP S5335881B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP8875472A
Other languages
Japanese (ja)
Other versions
JPS4839301A (forum.php
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 filed Critical
Publication of JPS4839301A publication Critical patent/JPS4839301A/ja
Publication of JPS5335881B2 publication Critical patent/JPS5335881B2/ja
Expired legal-status Critical Current

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
    • E21B44/00Automatic 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
    • E21B44/02Automatic control of the tool feed
    • E21B44/06Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • 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
    • E21B6/00Drives 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)
JP8875472A 1971-09-07 1972-09-06 Expired JPS5335881B2 (forum.php)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4839301A JPS4839301A (forum.php) 1973-06-09
JPS5335881B2 true JPS5335881B2 (forum.php) 1978-09-29

Family

ID=20293707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8875472A Expired JPS5335881B2 (forum.php) 1971-09-07 1972-09-06

Country Status (12)

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

Families Citing this family (6)

* 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
AT382683B (de) * 1985-08-16 1987-03-25 Voest Alpine Ag Einrichtung zur ueberwachung des abnuetzungsgrades von meisseln eines schraemkopfes
FI943695A7 (fi) * 1994-08-10 1996-02-11 Ilomaeki Valto Menetelmä poralaitteen säätämiseksi
US9890504B2 (en) 2012-12-12 2018-02-13 Vermeer Manufacturing Company Systems and methods for sensing wear of reducing elements of a material reducing machine

Also Published As

Publication number Publication date
DE2242920B2 (de) 1973-06-14
FR2152709B1 (forum.php) 1977-01-14
DE2242920C3 (de) 1974-01-10
IT965181B (it) 1974-01-31
ZA725902B (en) 1973-06-27
GB1346540A (en) 1974-02-13
FI55893B (fi) 1979-06-29
NO133332B (forum.php) 1976-01-05
SE361704B (forum.php) 1973-11-12
FR2152709A1 (forum.php) 1973-04-27
AT321228B (de) 1975-03-25
NO133332C (forum.php) 1976-04-12
JPS4839301A (forum.php) 1973-06-09
DE2242920A1 (de) 1973-04-05
FI55893C (fi) 1979-10-10
CH541713A (de) 1973-09-15
PL76065B1 (en) 1975-02-28

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