DE303119C - - Google Patents

Info

Publication number
DE303119C
DE303119C DENDAT303119D DE303119DA DE303119C DE 303119 C DE303119 C DE 303119C DE NDAT303119 D DENDAT303119 D DE NDAT303119D DE 303119D A DE303119D A DE 303119DA DE 303119 C DE303119 C DE 303119C
Authority
DE
Germany
Prior art keywords
carrier
weight
gripper
catch
hits
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
DENDAT303119D
Other languages
German (de)
English (en)
Publication of DE303119C publication Critical patent/DE303119C/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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Eye Examination Apparatus (AREA)
DENDAT303119D Active DE303119C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE303119C true DE303119C (enrdf_load_stackoverflow)

Family

ID=556862

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT303119D Active DE303119C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE303119C (enrdf_load_stackoverflow)

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