AT251517B - Feed control for work tools, in particular for countersink drilling machines - Google Patents

Feed control for work tools, in particular for countersink drilling machines

Info

Publication number
AT251517B
AT251517B AT855659A AT855659A AT251517B AT 251517 B AT251517 B AT 251517B AT 855659 A AT855659 A AT 855659A AT 855659 A AT855659 A AT 855659A AT 251517 B AT251517 B AT 251517B
Authority
AT
Austria
Prior art keywords
feed control
drilling machines
work tools
countersink drilling
countersink
Prior art date
Application number
AT855659A
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 AT855659A priority Critical patent/AT251517B/en
Priority to CH1262660A priority patent/CH400968A/en
Application granted granted Critical
Publication of AT251517B publication Critical patent/AT251517B/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)
  • Earth Drilling (AREA)
AT855659A 1959-11-26 1959-11-26 Feed control for work tools, in particular for countersink drilling machines AT251517B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT855659A AT251517B (en) 1959-11-26 1959-11-26 Feed control for work tools, in particular for countersink drilling machines
CH1262660A CH400968A (en) 1959-11-26 1960-11-14 Control device for the advance of drilling rigs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT855659A AT251517B (en) 1959-11-26 1959-11-26 Feed control for work tools, in particular for countersink drilling machines

Publications (1)

Publication Number Publication Date
AT251517B true AT251517B (en) 1967-01-10

Family

ID=3606532

Family Applications (1)

Application Number Title Priority Date Filing Date
AT855659A AT251517B (en) 1959-11-26 1959-11-26 Feed control for work tools, in particular for countersink drilling machines

Country Status (2)

Country Link
AT (1) AT251517B (en)
CH (1) CH400968A (en)

Also Published As

Publication number Publication date
CH400968A (en) 1965-10-31

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