DE243223C - - Google Patents

Info

Publication number
DE243223C
DE243223C DENDAT243223D DE243223DA DE243223C DE 243223 C DE243223 C DE 243223C DE NDAT243223 D DENDAT243223 D DE NDAT243223D DE 243223D A DE243223D A DE 243223DA DE 243223 C DE243223 C DE 243223C
Authority
DE
Germany
Prior art keywords
spindle
hand
drilling
sleeve
nut halves
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
DENDAT243223D
Other languages
German (de)
English (en)
Publication of DE243223C publication Critical patent/DE243223C/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
    • E21B19/081—Screw-and-nut feed mechanisms

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)
DENDAT243223D Active DE243223C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE243223C true DE243223C (enrdf_load_stackoverflow)

Family

ID=502366

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT243223D Active DE243223C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE243223C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE827042C (de) * 1946-07-17 1952-01-07 Chicago Pneumatic Tool Co Gesteinsdrehbohrmaschine mit Vorschubspindel und Spuelwasseranschlusskopf
US4352300A (en) * 1980-08-21 1982-10-05 Vitafin N.V. Combined linear and circular drive mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE827042C (de) * 1946-07-17 1952-01-07 Chicago Pneumatic Tool Co Gesteinsdrehbohrmaschine mit Vorschubspindel und Spuelwasseranschlusskopf
US4352300A (en) * 1980-08-21 1982-10-05 Vitafin N.V. Combined linear and circular drive mechanism

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