FR663341A - Perfectionnements aux outils à percussion combinés avec des moteurs à essence - Google Patents

Perfectionnements aux outils à percussion combinés avec des moteurs à essence

Info

Publication number
FR663341A
FR663341A FR663341DA FR663341A FR 663341 A FR663341 A FR 663341A FR 663341D A FR663341D A FR 663341DA FR 663341 A FR663341 A FR 663341A
Authority
FR
France
Prior art keywords
gasoline engines
impact tools
tools combined
combined
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
Other languages
English (en)
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.)
PENNSYLVANIA GASOLINE DRILL CO
Original Assignee
PENNSYLVANIA GASOLINE DRILL CO
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 PENNSYLVANIA GASOLINE DRILL CO filed Critical PENNSYLVANIA GASOLINE DRILL CO
Application granted granted Critical
Publication of FR663341A publication Critical patent/FR663341A/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
    • 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)
FR663341D 1927-07-14 1928-07-09 Perfectionnements aux outils à percussion combinés avec des moteurs à essence Expired FR663341A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US663341XA 1927-07-14 1927-07-14

Publications (1)

Publication Number Publication Date
FR663341A true FR663341A (fr) 1929-08-20

Family

ID=22068822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663341D Expired FR663341A (fr) 1927-07-14 1928-07-09 Perfectionnements aux outils à percussion combinés avec des moteurs à essence

Country Status (1)

Country Link
FR (1) FR663341A (fr)

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