FR1106567A - Lifting and unloading device - Google Patents

Lifting and unloading device

Info

Publication number
FR1106567A
FR1106567A FR1106567DA FR1106567A FR 1106567 A FR1106567 A FR 1106567A FR 1106567D A FR1106567D A FR 1106567DA FR 1106567 A FR1106567 A FR 1106567A
Authority
FR
France
Prior art keywords
lifting
unloading device
unloading
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Wilhelm Degen
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1106567A publication Critical patent/FR1106567A/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
FR1106567D 1953-08-20 1954-08-19 Lifting and unloading device Expired FR1106567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1106567X 1953-08-20

Publications (1)

Publication Number Publication Date
FR1106567A true FR1106567A (en) 1955-12-20

Family

ID=7723220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1106567D Expired FR1106567A (en) 1953-08-20 1954-08-19 Lifting and unloading device

Country Status (1)

Country Link
FR (1) FR1106567A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486122A1 (en) * 1980-07-04 1982-01-08 Inst Gornogo Dela Sibirskogo O METHOD FOR DRILLING HOLES IN SOIL AND DEVICE FOR IMPLEMENTING SAME

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486122A1 (en) * 1980-07-04 1982-01-08 Inst Gornogo Dela Sibirskogo O METHOD FOR DRILLING HOLES IN SOIL AND DEVICE FOR IMPLEMENTING SAME

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