DE222090C - - Google Patents

Info

Publication number
DE222090C
DE222090C DENDAT222090D DE222090DA DE222090C DE 222090 C DE222090 C DE 222090C DE NDAT222090 D DENDAT222090 D DE NDAT222090D DE 222090D A DE222090D A DE 222090DA DE 222090 C DE222090 C DE 222090C
Authority
DE
Germany
Prior art keywords
piston
drill
relocating
drill sleeve
channels
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT222090D
Other languages
German (de)
English (en)
Publication of DE222090C publication Critical patent/DE222090C/de
Active legal-status Critical Current

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
    • E21B6/08—Separate drives for percussion and rotation

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)
DENDAT222090D Active DE222090C (no)

Publications (1)

Publication Number Publication Date
DE222090C true DE222090C (no)

Family

ID=483011

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT222090D Active DE222090C (no)

Country Status (1)

Country Link
DE (1) DE222090C (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969081C (de) * 1952-07-13 1958-04-30 Albert Enners Schwingbohrhammer, insbesondere fuer Gesteinsbohrarbeiten im Grubenbetrieb
DE1116173B (de) * 1958-05-19 1961-11-02 Rudolf Hausherr & Soehne G M B Schlagbohrhammer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969081C (de) * 1952-07-13 1958-04-30 Albert Enners Schwingbohrhammer, insbesondere fuer Gesteinsbohrarbeiten im Grubenbetrieb
DE1116173B (de) * 1958-05-19 1961-11-02 Rudolf Hausherr & Soehne G M B Schlagbohrhammer

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