FR373395A - Perfectionnements apportés aux perforatrices à percussion - Google Patents

Perfectionnements apportés aux perforatrices à percussion

Info

Publication number
FR373395A
FR373395A FR373395A FR373395DA FR373395A FR 373395 A FR373395 A FR 373395A FR 373395 A FR373395 A FR 373395A FR 373395D A FR373395D A FR 373395DA FR 373395 A FR373395 A FR 373395A
Authority
FR
France
Prior art keywords
percussion drills
percussion
drills
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
FR373395A
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 FR373395A publication Critical patent/FR373395A/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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground

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)
FR373395A 1907-01-08 1907-01-08 Perfectionnements apportés aux perforatrices à percussion Expired FR373395A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR373395T 1907-01-08

Publications (1)

Publication Number Publication Date
FR373395A true FR373395A (fr) 1907-05-13

Family

ID=1420102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR373395A Expired FR373395A (fr) 1907-01-08 1907-01-08 Perfectionnements apportés aux perforatrices à percussion

Country Status (1)

Country Link
FR (1) FR373395A (fr)

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