AT338196B - Bohrhammer, insbesondere stollenbohrhammer - Google Patents

Bohrhammer, insbesondere stollenbohrhammer

Info

Publication number
AT338196B
AT338196B AT660875A AT660875A AT338196B AT 338196 B AT338196 B AT 338196B AT 660875 A AT660875 A AT 660875A AT 660875 A AT660875 A AT 660875A AT 338196 B AT338196 B AT 338196B
Authority
AT
Austria
Prior art keywords
drill drills
drills
drill
particular drill
Prior art date
Application number
AT660875A
Other languages
English (en)
Other versions
ATA660875A (de
Inventor
Hubert Ing Pichler
Original Assignee
Ver Edelstahlwerke Ag
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 DE19742444776 external-priority patent/DE2444776C2/de
Application filed by Ver Edelstahlwerke Ag filed Critical Ver Edelstahlwerke Ag
Publication of ATA660875A publication Critical patent/ATA660875A/de
Application granted granted Critical
Publication of AT338196B publication Critical patent/AT338196B/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

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)
  • Details Of Valves (AREA)
  • Check Valves (AREA)
  • Earth Drilling (AREA)
AT660875A 1974-09-19 1975-08-27 Bohrhammer, insbesondere stollenbohrhammer AT338196B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742444776 DE2444776C2 (de) 1974-09-19 Bohrhammer, insbesondere Stollenbohrhammer

Publications (2)

Publication Number Publication Date
ATA660875A ATA660875A (de) 1976-12-15
AT338196B true AT338196B (de) 1977-08-10

Family

ID=5926198

Family Applications (1)

Application Number Title Priority Date Filing Date
AT660875A AT338196B (de) 1974-09-19 1975-08-27 Bohrhammer, insbesondere stollenbohrhammer

Country Status (2)

Country Link
AT (1) AT338196B (de)
SE (1) SE414214B (de)

Also Published As

Publication number Publication date
SE7510473L (sv) 1976-03-22
ATA660875A (de) 1976-12-15
DE2444776A1 (de) 1975-09-25
SE414214B (sv) 1980-07-14
DE2444776B1 (de) 1975-09-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee