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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/16Valve arrangements therefor
    • B25D9/18Valve arrangements therefor involving a piston-type slide valve
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00Percussion drilling
    • E21B1/12Percussion drilling with a reciprocating impulse member
    • E21B1/24Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30Percussion 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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow)

Family

ID=23067366

Family Applications (1)

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

Country Status (3)

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

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

Similar Documents

Publication Publication Date Title
FR640817A (enrdf_load_stackoverflow)
FR636655A (enrdf_load_stackoverflow)
FR636481A (enrdf_load_stackoverflow)
FR635390A (enrdf_load_stackoverflow)
FR632872A (enrdf_load_stackoverflow)
FR632696A (enrdf_load_stackoverflow)
FR632629A (enrdf_load_stackoverflow)
FR632421A (enrdf_load_stackoverflow)
BE348421A (enrdf_load_stackoverflow)
BE348572A (enrdf_load_stackoverflow)
NL27609C (enrdf_load_stackoverflow)
BE358890A (enrdf_load_stackoverflow)
BE349426A (enrdf_load_stackoverflow)
BE349412A (enrdf_load_stackoverflow)
BE349374A (enrdf_load_stackoverflow)
BE349305A (enrdf_load_stackoverflow)
BE349288A (enrdf_load_stackoverflow)
BE349190A (enrdf_load_stackoverflow)
BE349037A (enrdf_load_stackoverflow)
BE348976A (enrdf_load_stackoverflow)
BE348889A (enrdf_load_stackoverflow)
BE348858A (enrdf_load_stackoverflow)
BE303782A (enrdf_load_stackoverflow)
BE348805A (enrdf_load_stackoverflow)
BE348804A (enrdf_load_stackoverflow)