FR796067A - Silencieux pour marteaux piqueurs et perforateurs pneumatiques - Google Patents

Silencieux pour marteaux piqueurs et perforateurs pneumatiques

Info

Publication number
FR796067A
FR796067A FR796067DA FR796067A FR 796067 A FR796067 A FR 796067A FR 796067D A FR796067D A FR 796067DA FR 796067 A FR796067 A FR 796067A
Authority
FR
France
Prior art keywords
perforators
silencers
jackhammers
pneumatic
pneumatic jackhammers
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)
Inventor
Charles Mills Newton
Harold Whitelock Dermer
James Mason
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 FR796067A publication Critical patent/FR796067A/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)
FR796067D 1935-10-09 1935-10-09 Silencieux pour marteaux piqueurs et perforateurs pneumatiques Expired FR796067A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR796067T 1935-10-09

Publications (1)

Publication Number Publication Date
FR796067A true FR796067A (fr) 1936-03-28

Family

ID=9234944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796067D Expired FR796067A (fr) 1935-10-09 1935-10-09 Silencieux pour marteaux piqueurs et perforateurs pneumatiques

Country Status (1)

Country Link
FR (1) FR796067A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323615A (en) * 1966-10-10 1967-06-06 Ingersoll Rand Co Variable volume exhaust muffler for fluid operated tools
US3385395A (en) * 1966-05-02 1968-05-28 Ingersoll Rand Co Muffling system for compressed airoperated drilling apparatus
US3526293A (en) * 1968-06-13 1970-09-01 Gardner Denver Co Muffler for fluid actuated tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385395A (en) * 1966-05-02 1968-05-28 Ingersoll Rand Co Muffling system for compressed airoperated drilling apparatus
US3323615A (en) * 1966-10-10 1967-06-06 Ingersoll Rand Co Variable volume exhaust muffler for fluid operated tools
US3526293A (en) * 1968-06-13 1970-09-01 Gardner Denver Co Muffler for fluid actuated tool

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