AT257511B - Rock drill - Google Patents

Rock drill

Info

Publication number
AT257511B
AT257511B AT47065A AT47065A AT257511B AT 257511 B AT257511 B AT 257511B AT 47065 A AT47065 A AT 47065A AT 47065 A AT47065 A AT 47065A AT 257511 B AT257511 B AT 257511B
Authority
AT
Austria
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
AT47065A
Other languages
German (de)
Original Assignee
Boehler & Co Ag Geb
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 Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Priority to AT47065A priority Critical patent/AT257511B/en
Priority to CH27666A priority patent/CH459929A/en
Priority to GB2185/66A priority patent/GB1075298A/en
Priority to FR46564A priority patent/FR1464541A/en
Application granted granted Critical
Publication of AT257511B publication Critical patent/AT257511B/en

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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm

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)
AT47065A 1965-01-21 1965-01-21 Rock drill AT257511B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT47065A AT257511B (en) 1965-01-21 1965-01-21 Rock drill
CH27666A CH459929A (en) 1965-01-21 1966-01-07 Rock drill
GB2185/66A GB1075298A (en) 1965-01-21 1966-01-17 Improvements in or relating to rock drill assemblies
FR46564A FR1464541A (en) 1965-01-21 1966-01-20 Hammer drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT47065A AT257511B (en) 1965-01-21 1965-01-21 Rock drill

Publications (1)

Publication Number Publication Date
AT257511B true AT257511B (en) 1967-10-10

Family

ID=3491463

Family Applications (1)

Application Number Title Priority Date Filing Date
AT47065A AT257511B (en) 1965-01-21 1965-01-21 Rock drill

Country Status (4)

Country Link
AT (1) AT257511B (en)
CH (1) CH459929A (en)
FR (1) FR1464541A (en)
GB (1) GB1075298A (en)

Also Published As

Publication number Publication date
GB1075298A (en) 1967-07-12
CH459929A (en) 1968-07-31
FR1464541A (en) 1966-12-30

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