FR618242A - Rotary mechanism for rock drills - Google Patents

Rotary mechanism for rock drills

Info

Publication number
FR618242A
FR618242A FR618242DA FR618242A FR 618242 A FR618242 A FR 618242A FR 618242D A FR618242D A FR 618242DA FR 618242 A FR618242 A FR 618242A
Authority
FR
France
Prior art keywords
rotary mechanism
rock drills
drills
rock
rotary
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
French (fr)
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 FR618242A publication Critical patent/FR618242A/en
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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

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)
FR618242D 1926-04-22 1926-06-30 Rotary mechanism for rock drills Expired FR618242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US618242XA 1926-04-22 1926-04-22

Publications (1)

Publication Number Publication Date
FR618242A true FR618242A (en) 1927-03-05

Family

ID=22038365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR618242D Expired FR618242A (en) 1926-04-22 1926-06-30 Rotary mechanism for rock drills

Country Status (2)

Country Link
BE (1) BE335266A (en)
FR (1) FR618242A (en)

Also Published As

Publication number Publication date
BE335266A (en)

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