FR370839A - Impact hammer - Google Patents

Impact hammer

Info

Publication number
FR370839A
FR370839A FR370839A FR370839DA FR370839A FR 370839 A FR370839 A FR 370839A FR 370839 A FR370839 A FR 370839A FR 370839D A FR370839D A FR 370839DA FR 370839 A FR370839 A FR 370839A
Authority
FR
France
Prior art keywords
impact hammer
hammer
impact
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
FR370839A
Other languages
French (fr)
Inventor
Louis Thomas
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 FR370839A publication Critical patent/FR370839A/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)
FR370839A 1905-10-26 1906-10-26 Impact hammer Expired FR370839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE370839X 1905-10-26

Publications (1)

Publication Number Publication Date
FR370839A true FR370839A (en) 1907-02-20

Family

ID=1417735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR370839A Expired FR370839A (en) 1905-10-26 1906-10-26 Impact hammer

Country Status (1)

Country Link
FR (1) FR370839A (en)

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