FR468520A - Perceuse - Google Patents

Perceuse

Info

Publication number
FR468520A
FR468520A FR468520DA FR468520A FR 468520 A FR468520 A FR 468520A FR 468520D A FR468520D A FR 468520DA FR 468520 A FR468520 A FR 468520A
Authority
FR
France
Prior art keywords
drill
Prior art date
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
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR468520A publication Critical patent/FR468520A/fr
Expired legal-status Critical Current

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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/03—Surface drives for rotary drilling with an intermittent unidirectional rotation of the tool

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)
FR468520D 1914-02-17 1914-02-17 Perceuse Expired FR468520A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR468520T 1914-02-17

Publications (1)

Publication Number Publication Date
FR468520A true FR468520A (fr) 1914-07-08

Family

ID=1507067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR468520D Expired FR468520A (fr) 1914-02-17 1914-02-17 Perceuse

Country Status (1)

Country Link
FR (1) FR468520A (fr)

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