BE654249A - - Google Patents

Info

Publication number
BE654249A
BE654249A BE654249DA BE654249A BE 654249 A BE654249 A BE 654249A BE 654249D A BE654249D A BE 654249DA BE 654249 A BE654249 A BE 654249A
Authority
BE
Belgium
Application number
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
Publication of BE654249A publication Critical patent/BE654249A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D17/00Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06Hammer pistons; Anvils ; Guide-sleeves for pistons
    • 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)
  • 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)
  • Percussive Tools And Related Accessories (AREA)
BE654249D 1963-10-15 1964-10-12 BE654249A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1266163A CH404589A (de) 1963-10-15 1963-10-15 Hammerkolben für druckmittelbetriebene Bohrhämmer

Publications (1)

Publication Number Publication Date
BE654249A true BE654249A (de) 1965-02-01

Family

ID=4385210

Family Applications (1)

Application Number Title Priority Date Filing Date
BE654249D BE654249A (de) 1963-10-15 1964-10-12

Country Status (6)

Country Link
BE (1) BE654249A (de)
CH (1) CH404589A (de)
ES (1) ES304769A1 (de)
GB (1) GB1036043A (de)
NL (1) NL6400167A (de)
SE (1) SE308089B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428441A (en) 1979-04-04 1984-01-31 Mobil Oil Corporation Method and apparatus for reducing the differential pressure sticking tendency of a drill string

Also Published As

Publication number Publication date
NL6400167A (de) 1965-04-20
CH404589A (de) 1965-12-31
SE308089B (de) 1969-02-03
ES304769A1 (es) 1964-11-16
GB1036043A (en) 1966-07-13

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