FR494863A - Marteau perforateur - Google Patents

Marteau perforateur

Info

Publication number
FR494863A
FR494863A FR494863DA FR494863A FR 494863 A FR494863 A FR 494863A FR 494863D A FR494863D A FR 494863DA FR 494863 A FR494863 A FR 494863A
Authority
FR
France
Prior art keywords
hammer drill
hammer
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)
Inventor
Leon-Philippe-Ernest Terrier
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.)
LEON PHILIPPE ERNEST TERRIER
Original Assignee
LEON PHILIPPE ERNEST TERRIER
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 LEON PHILIPPE ERNEST TERRIER filed Critical LEON PHILIPPE ERNEST TERRIER
Application granted granted Critical
Publication of FR494863A publication Critical patent/FR494863A/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
    • 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)
FR494863D 1919-01-15 1919-01-15 Marteau perforateur Expired FR494863A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR494863T 1919-01-15

Publications (1)

Publication Number Publication Date
FR494863A true FR494863A (fr) 1919-09-20

Family

ID=1530462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR494863D Expired FR494863A (fr) 1919-01-15 1919-01-15 Marteau perforateur

Country Status (1)

Country Link
FR (1) FR494863A (fr)

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