FR338302A - Perfectionnements aux outils pneumatiques à percussion et autres analogues - Google Patents

Perfectionnements aux outils pneumatiques à percussion et autres analogues

Info

Publication number
FR338302A
FR338302A FR338302A FR338302DA FR338302A FR 338302 A FR338302 A FR 338302A FR 338302 A FR338302 A FR 338302A FR 338302D A FR338302D A FR 338302DA FR 338302 A FR338302 A FR 338302A
Authority
FR
France
Prior art keywords
pneumatic percussion
percussion tools
tools
pneumatic
percussion
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
FR338302A
Other languages
English (en)
Inventor
Frederick Dwight Johnson
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 FR338302A publication Critical patent/FR338302A/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
    • 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)
FR338302A 1903-12-10 1903-12-10 Perfectionnements aux outils pneumatiques à percussion et autres analogues Expired FR338302A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR338302T 1903-12-10

Publications (1)

Publication Number Publication Date
FR338302A true FR338302A (fr) 1904-05-16

Family

ID=1387590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR338302A Expired FR338302A (fr) 1903-12-10 1903-12-10 Perfectionnements aux outils pneumatiques à percussion et autres analogues

Country Status (1)

Country Link
FR (1) FR338302A (fr)

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