DE249234C - - Google Patents

Info

Publication number
DE249234C
DE249234C DENDAT249234D DE249234DA DE249234C DE 249234 C DE249234 C DE 249234C DE NDAT249234 D DENDAT249234 D DE NDAT249234D DE 249234D A DE249234D A DE 249234DA DE 249234 C DE249234 C DE 249234C
Authority
DE
Germany
Prior art keywords
drill
knife
plate
cutout
auger
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
DENDAT249234D
Other languages
German (de)
English (en)
Publication of DE249234C publication Critical patent/DE249234C/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
    • E21B11/00—Other drilling tools
    • E21B11/005—Hand operated drilling tools

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)
DENDAT249234D Active DE249234C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE249234C true DE249234C (enrdf_load_stackoverflow)

Family

ID=507875

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT249234D Active DE249234C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE249234C (enrdf_load_stackoverflow)

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