DE242177C - - Google Patents

Info

Publication number
DE242177C
DE242177C DENDAT242177D DE242177DA DE242177C DE 242177 C DE242177 C DE 242177C DE NDAT242177 D DENDAT242177 D DE NDAT242177D DE 242177D A DE242177D A DE 242177DA DE 242177 C DE242177 C DE 242177C
Authority
DE
Germany
Prior art keywords
slide guide
hammer drill
attached
roof
ball joint
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
DENDAT242177D
Other languages
German (de)
English (en)
Publication of DE242177C publication Critical patent/DE242177C/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
    • 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
    • E21B19/084—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 flexible drawing means, e.g. cables

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)
DENDAT242177D Active DE242177C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE242177C true DE242177C (enrdf_load_stackoverflow)

Family

ID=501408

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT242177D Active DE242177C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE242177C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192999B (de) * 1962-02-21 1965-05-20 Theodor Demetriades Andruckvorrichtung fuer Gesteinsbohrmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192999B (de) * 1962-02-21 1965-05-20 Theodor Demetriades Andruckvorrichtung fuer Gesteinsbohrmaschinen

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