FR413891A - Improvements to percussion punches - Google Patents

Improvements to percussion punches

Info

Publication number
FR413891A
FR413891A FR413891DA FR413891A FR 413891 A FR413891 A FR 413891A FR 413891D A FR413891D A FR 413891DA FR 413891 A FR413891 A FR 413891A
Authority
FR
France
Prior art keywords
percussion
punches
percussion punches
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)
Inventor
Gustave Jacques
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR413891A publication Critical patent/FR413891A/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)
FR413891D 1910-03-21 1910-03-21 Improvements to percussion punches Expired FR413891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR413891T 1910-03-21

Publications (1)

Publication Number Publication Date
FR413891A true FR413891A (en) 1910-08-20

Family

ID=1457641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR413891D Expired FR413891A (en) 1910-03-21 1910-03-21 Improvements to percussion punches

Country Status (1)

Country Link
FR (1) FR413891A (en)

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