DE136441C - - Google Patents

Info

Publication number
DE136441C
DE136441C DENDAT136441D DE136441DA DE136441C DE 136441 C DE136441 C DE 136441C DE NDAT136441 D DENDAT136441 D DE NDAT136441D DE 136441D A DE136441D A DE 136441DA DE 136441 C DE136441 C DE 136441C
Authority
DE
Germany
Prior art keywords
chain
sprocket
bucket
wheel
drive
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
DENDAT136441D
Other languages
German (de)
English (en)
Publication of DE136441C publication Critical patent/DE136441C/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means

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)
DENDAT136441D Active DE136441C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE136441C true DE136441C (enrdf_load_stackoverflow)

Family

ID=404402

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT136441D Active DE136441C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE136441C (enrdf_load_stackoverflow)

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