FR374923A - Hammer drill - Google Patents

Hammer drill

Info

Publication number
FR374923A
FR374923A FR374923A FR374923DA FR374923A FR 374923 A FR374923 A FR 374923A FR 374923 A FR374923 A FR 374923A FR 374923D A FR374923D A FR 374923DA FR 374923 A FR374923 A FR 374923A
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
FR374923A
Other languages
French (fr)
Inventor
Camille Bornet
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.)
CAMILLE BORNET
Original Assignee
CAMILLE BORNET
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 CAMILLE BORNET filed Critical CAMILLE BORNET
Application granted granted Critical
Publication of FR374923A publication Critical patent/FR374923A/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
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (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)
FR374923A 1907-02-21 1907-02-21 Hammer drill Expired FR374923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR374923T 1907-02-21

Publications (1)

Publication Number Publication Date
FR374923A true FR374923A (en) 1907-06-26

Family

ID=1421518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR374923A Expired FR374923A (en) 1907-02-21 1907-02-21 Hammer drill

Country Status (1)

Country Link
FR (1) FR374923A (en)

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