NO48408A - - Google Patents

Info

Publication number
NO48408A
NO48408A NO48408DA NO48408A NO 48408 A NO48408 A NO 48408A NO 48408D A NO48408D A NO 48408DA NO 48408 A NO48408 A NO 48408A
Authority
NO
Norway
Application number
Other languages
Norwegian (no)
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.)
Publication of NO48408A publication Critical patent/NO48408A/no

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)
NO48408D 1928-05-19 NO48408A (ja)

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
NO48408A true NO48408A (ja)

Family

ID=23067366

Family Applications (1)

Application Number Title Priority Date Filing Date
NO48408D NO48408A (ja) 1928-05-19

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592431A (en) * 1982-12-22 1986-06-03 Tornqvist Peter J T Device for deposition of the movements of two driven bodies in the forward direction of a tool

Families Citing this family (4)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592431A (en) * 1982-12-22 1986-06-03 Tornqvist Peter J T Device for deposition of the movements of two driven bodies in the forward direction of a tool

Also Published As

Publication number Publication date
US1874130A (en) 1932-08-30
FR666540A (fr) 1929-10-02

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