CH314873A - Pneumatic feed support for rock drills - Google Patents

Pneumatic feed support for rock drills

Info

Publication number
CH314873A
CH314873A CH314873DA CH314873A CH 314873 A CH314873 A CH 314873A CH 314873D A CH314873D A CH 314873DA CH 314873 A CH314873 A CH 314873A
Authority
CH
Switzerland
Prior art keywords
feed support
rock drills
pneumatic feed
pneumatic
drills
Prior art date
Application number
Other languages
German (de)
Original Assignee
Ingbuero Dipl Ing Friedrich He
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 Ingbuero Dipl Ing Friedrich He filed Critical Ingbuero Dipl Ing Friedrich He
Publication of CH314873A publication Critical patent/CH314873A/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
    • E21B19/086—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 with a fluid-actuated cylinder

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)
CH314873D 1951-12-13 1952-12-06 Pneumatic feed support for rock drills CH314873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE314873X 1951-12-13

Publications (1)

Publication Number Publication Date
CH314873A true CH314873A (en) 1956-07-15

Family

ID=6148267

Family Applications (1)

Application Number Title Priority Date Filing Date
CH314873D CH314873A (en) 1951-12-13 1952-12-06 Pneumatic feed support for rock drills

Country Status (1)

Country Link
CH (1) CH314873A (en)

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