FR1208400A - Perforatrice à percussion - Google Patents

Perforatrice à percussion

Info

Publication number
FR1208400A
FR1208400A FR1208400DA FR1208400A FR 1208400 A FR1208400 A FR 1208400A FR 1208400D A FR1208400D A FR 1208400DA FR 1208400 A FR1208400 A FR 1208400A
Authority
FR
France
Prior art keywords
percussion
punch
percussion punch
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 FR1208400A publication Critical patent/FR1208400A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
FR1208400D 1958-05-12 1958-06-10 Perforatrice à percussion Expired FR1208400A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1521358A GB847442A (en) 1958-05-12 1958-05-12 Improvements in percussive rock drills

Publications (1)

Publication Number Publication Date
FR1208400A true FR1208400A (fr) 1960-02-23

Family

ID=10055036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1208400D Expired FR1208400A (fr) 1958-05-12 1958-06-10 Perforatrice à percussion

Country Status (2)

Country Link
FR (1) FR1208400A (fr)
GB (1) GB847442A (fr)

Also Published As

Publication number Publication date
GB847442A (en) 1960-09-07

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