FR666540A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
FR666540A
FR666540A FR666540DA FR666540A FR 666540 A FR666540 A FR 666540A FR 666540D A FR666540D A FR 666540DA FR 666540 A FR666540 A FR 666540A
Authority
FR
France
Prior art keywords
punch
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)
French (fr)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR666540A publication Critical patent/FR666540A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve
    • 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)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
FR666540D 1928-05-19 1928-12-29 Perforatrice Expired FR666540A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US279027A US1874130A (en) 1928-05-19 1928-05-19 Rock drill

Publications (1)

Publication Number Publication Date
FR666540A true FR666540A (fr) 1929-10-02

Family

ID=23067366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666540D Expired FR666540A (fr) 1928-05-19 1928-12-29 Perforatrice

Country Status (3)

Country Link
US (1) US1874130A (enrdf_load_stackoverflow)
FR (1) FR666540A (enrdf_load_stackoverflow)
NO (1) NO48408A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735255A (en) * 1956-02-21 Hydraulic tree shaker
US2714370A (en) * 1950-05-13 1955-08-02 Jeschke Herbert Rock drill
US2946314A (en) * 1955-09-01 1960-07-26 Paul H Nast Rock drills
DE1627448A1 (de) * 1967-03-06 1971-03-25 Thoma Fritz Druckluftschlagpresse
SE8207351L (sv) * 1982-12-22 1984-06-23 Peter Johan Torsten Tornqvist Sett och anordning for att utbalansera en fram och atergaende rorelse

Also Published As

Publication number Publication date
US1874130A (en) 1932-08-30
NO48408A (enrdf_load_stackoverflow)

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