DE268717C - - Google Patents

Info

Publication number
DE268717C
DE268717C DENDAT268717D DE268717DA DE268717C DE 268717 C DE268717 C DE 268717C DE NDAT268717 D DENDAT268717 D DE NDAT268717D DE 268717D A DE268717D A DE 268717DA DE 268717 C DE268717 C DE 268717C
Authority
DE
Germany
Prior art keywords
expansion
filling
slide
machine
control slide
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
DENDAT268717D
Other languages
German (de)
English (en)
Publication of DE268717C publication Critical patent/DE268717C/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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling

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)
DENDAT268717D Active DE268717C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE268717C true DE268717C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=525661

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT268717D Active DE268717C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE268717C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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