FR1082707A - Perfectionnements apportés aux tarières pour creuser le sol - Google Patents

Perfectionnements apportés aux tarières pour creuser le sol

Info

Publication number
FR1082707A
FR1082707A FR1082707DA FR1082707A FR 1082707 A FR1082707 A FR 1082707A FR 1082707D A FR1082707D A FR 1082707DA FR 1082707 A FR1082707 A FR 1082707A
Authority
FR
France
Prior art keywords
augers
digging
soil
improvements made
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
Gerald A Petersen
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 FR1082707A publication Critical patent/FR1082707A/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)
FR1082707D 1953-05-05 1953-05-05 Perfectionnements apportés aux tarières pour creuser le sol Expired FR1082707A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1082707T 1953-05-05

Publications (1)

Publication Number Publication Date
FR1082707A true FR1082707A (fr) 1954-12-31

Family

ID=9610814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082707D Expired FR1082707A (fr) 1953-05-05 1953-05-05 Perfectionnements apportés aux tarières pour creuser le sol

Country Status (1)

Country Link
FR (1) FR1082707A (fr)

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