AT219534B - Schlagbohrhammer mit selbsttätigem Umsatz - Google Patents

Schlagbohrhammer mit selbsttätigem Umsatz

Info

Publication number
AT219534B
AT219534B AT836258A AT836258A AT219534B AT 219534 B AT219534 B AT 219534B AT 836258 A AT836258 A AT 836258A AT 836258 A AT836258 A AT 836258A AT 219534 B AT219534 B AT 219534B
Authority
AT
Austria
Prior art keywords
impact hammer
automatic turnover
turnover
automatic
hammer
Prior art date
Application number
AT836258A
Other languages
English (en)
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 AT836258A priority Critical patent/AT219534B/de
Priority to CH8124659A priority patent/CH385138A/de
Application granted granted Critical
Publication of AT219534B publication Critical patent/AT219534B/de

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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Earth Drilling (AREA)
AT836258A 1958-12-03 1958-12-03 Schlagbohrhammer mit selbsttätigem Umsatz AT219534B (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT836258A AT219534B (de) 1958-12-03 1958-12-03 Schlagbohrhammer mit selbsttätigem Umsatz
CH8124659A CH385138A (de) 1958-12-03 1959-11-30 Schlagbohrhammer mit selbsttätigem Umsatz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT836258A AT219534B (de) 1958-12-03 1958-12-03 Schlagbohrhammer mit selbsttätigem Umsatz

Publications (1)

Publication Number Publication Date
AT219534B true AT219534B (de) 1962-02-12

Family

ID=3604791

Family Applications (1)

Application Number Title Priority Date Filing Date
AT836258A AT219534B (de) 1958-12-03 1958-12-03 Schlagbohrhammer mit selbsttätigem Umsatz

Country Status (2)

Country Link
AT (1) AT219534B (de)
CH (1) CH385138A (de)

Also Published As

Publication number Publication date
CH385138A (de) 1964-12-15

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