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FR835355A - Perfectionnements aux marteaux percuteurs - Google Patents

Perfectionnements aux marteaux percuteurs

Info

Publication number
FR835355A
FR835355A FR835355DA FR835355A FR 835355 A FR835355 A FR 835355A FR 835355D A FR835355D A FR 835355DA FR 835355 A FR835355 A FR 835355A
Authority
FR
France
Prior art keywords
impact hammers
hammers
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.)
GAS TOOL PATENTS CORP
Original Assignee
GAS TOOL PATENTS CORP
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 GAS TOOL PATENTS CORP filed Critical GAS TOOL PATENTS CORP
Application granted granted Critical
Publication of FR835355A publication Critical patent/FR835355A/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)
FR835355D 1937-05-03 1938-03-17 Perfectionnements aux marteaux percuteurs Expired FR835355A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US835355XA 1937-05-03 1937-05-03

Publications (1)

Publication Number Publication Date
FR835355A true FR835355A (fr) 1938-12-20

Family

ID=22178953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835355D Expired FR835355A (fr) 1937-05-03 1938-03-17 Perfectionnements aux marteaux percuteurs

Country Status (1)

Country Link
FR (1) FR835355A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119657806A (zh) * 2025-02-20 2025-03-21 山西宝恒佳特种材料制造有限公司 一种高效圆钢锻造模具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119657806A (zh) * 2025-02-20 2025-03-21 山西宝恒佳特种材料制造有限公司 一种高效圆钢锻造模具

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