DE277428C - - Google Patents

Info

Publication number
DE277428C
DE277428C DENDAT277428D DE277428DA DE277428C DE 277428 C DE277428 C DE 277428C DE NDAT277428 D DENDAT277428 D DE NDAT277428D DE 277428D A DE277428D A DE 277428DA DE 277428 C DE277428 C DE 277428C
Authority
DE
Germany
Prior art keywords
channels
cylinder
piston
spring
drill bit
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
DENDAT277428D
Other languages
German (de)
English (en)
Publication of DE277428C publication Critical patent/DE277428C/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
DENDAT277428D Active DE277428C (OSRAM)

Publications (1)

Publication Number Publication Date
DE277428C true DE277428C (OSRAM)

Family

ID=533524

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT277428D Active DE277428C (OSRAM)

Country Status (1)

Country Link
DE (1) DE277428C (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974523C (de) * 1951-09-26 1961-01-26 Andre Stenuick Druckluftbetriebene Schlagbohrvorrichtung zur Herstellung von Gesteinsbohrloechern
FR2175867A1 (OSRAM) * 1972-03-10 1973-10-26 Spetslalnoe K
DE3343565A1 (de) * 1983-12-01 1985-06-13 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Tieflochhammer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974523C (de) * 1951-09-26 1961-01-26 Andre Stenuick Druckluftbetriebene Schlagbohrvorrichtung zur Herstellung von Gesteinsbohrloechern
FR2175867A1 (OSRAM) * 1972-03-10 1973-10-26 Spetslalnoe K
DE3343565A1 (de) * 1983-12-01 1985-06-13 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Tieflochhammer

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