FR724490A - Improvements made to impactful tools such as drills, hammers, etc. - Google Patents

Improvements made to impactful tools such as drills, hammers, etc.

Info

Publication number
FR724490A
FR724490A FR724490DA FR724490A FR 724490 A FR724490 A FR 724490A FR 724490D A FR724490D A FR 724490DA FR 724490 A FR724490 A FR 724490A
Authority
FR
France
Prior art keywords
impactful
hammers
drills
tools
improvements made
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
Henry Ernest Warsop
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 filed Critical
Application granted granted Critical
Publication of FR724490A publication Critical patent/FR724490A/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
    • E21B1/32—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses
    • E21B1/34—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses the impulse member being a piston of an internal-combustion engine

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)
FR724490D 1930-11-19 1931-10-14 Improvements made to impactful tools such as drills, hammers, etc. Expired FR724490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB724490X 1930-11-19

Publications (1)

Publication Number Publication Date
FR724490A true FR724490A (en) 1932-04-27

Family

ID=10495191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724490D Expired FR724490A (en) 1930-11-19 1931-10-14 Improvements made to impactful tools such as drills, hammers, etc.

Country Status (1)

Country Link
FR (1) FR724490A (en)

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