SE9902994D0 - Vätskedrivet slagverk - Google Patents

Vätskedrivet slagverk

Info

Publication number
SE9902994D0
SE9902994D0 SE9902994A SE9902994A SE9902994D0 SE 9902994 D0 SE9902994 D0 SE 9902994D0 SE 9902994 A SE9902994 A SE 9902994A SE 9902994 A SE9902994 A SE 9902994A SE 9902994 D0 SE9902994 D0 SE 9902994D0
Authority
SE
Sweden
Prior art keywords
hammer piston
liquid
channel
impact
drill
Prior art date
Application number
SE9902994A
Other languages
English (en)
Other versions
SE9902994L (sv
SE516309C2 (sv
Inventor
Berndt Ekwall
Andreas Nordbrandt
Original Assignee
Atlas Copco Rock Drills Ab
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
Priority claimed from SE9700974A external-priority patent/SE9700974D0/sv
Application filed by Atlas Copco Rock Drills Ab filed Critical Atlas Copco Rock Drills Ab
Priority to SE9902994A priority Critical patent/SE516309C2/sv
Publication of SE9902994L publication Critical patent/SE9902994L/sv
Publication of SE9902994D0 publication Critical patent/SE9902994D0/sv
Publication of SE516309C2 publication Critical patent/SE516309C2/sv

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
SE9902994A 1997-03-18 1999-08-25 Vätskedrivet slagverk SE516309C2 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9902994A SE516309C2 (sv) 1997-03-18 1999-08-25 Vätskedrivet slagverk

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9700974A SE9700974D0 (sv) 1997-03-18 1997-03-18 Fluidumdrivet slagverk
PCT/SE1998/000447 WO1998041726A1 (en) 1997-03-18 1998-03-12 Liquid driven impact device
SE9902994A SE516309C2 (sv) 1997-03-18 1999-08-25 Vätskedrivet slagverk

Publications (3)

Publication Number Publication Date
SE9902994L SE9902994L (sv) 1999-08-25
SE9902994D0 true SE9902994D0 (sv) 1999-08-25
SE516309C2 SE516309C2 (sv) 2001-12-17

Family

ID=26662935

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9902994A SE516309C2 (sv) 1997-03-18 1999-08-25 Vätskedrivet slagverk

Country Status (1)

Country Link
SE (1) SE516309C2 (sv)

Also Published As

Publication number Publication date
SE9902994L (sv) 1999-08-25
SE516309C2 (sv) 2001-12-17

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Legal Events

Date Code Title Description
NUG Patent has lapsed