FR537849A - Tarière - Google Patents

Tarière

Info

Publication number
FR537849A
FR537849A FR537849DA FR537849A FR 537849 A FR537849 A FR 537849A FR 537849D A FR537849D A FR 537849DA FR 537849 A FR537849 A FR 537849A
Authority
FR
France
Prior art keywords
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.)
Expired
Application number
Other languages
English (en)
Inventor
Friedrich Wahrenburg
Otto Schweisgut
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 FR537849A publication Critical patent/FR537849A/fr
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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts

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)
FR537849D 1921-06-08 1921-06-08 Tarière Expired FR537849A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537849T 1921-06-08

Publications (1)

Publication Number Publication Date
FR537849A true FR537849A (fr) 1922-05-30

Family

ID=8927800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537849D Expired FR537849A (fr) 1921-06-08 1921-06-08 Tarière

Country Status (1)

Country Link
FR (1) FR537849A (fr)

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