FR1202851A - Tarière rotative - Google Patents

Tarière rotative

Info

Publication number
FR1202851A
FR1202851A FR1202851DA FR1202851A FR 1202851 A FR1202851 A FR 1202851A FR 1202851D A FR1202851D A FR 1202851DA FR 1202851 A FR1202851 A FR 1202851A
Authority
FR
France
Prior art keywords
rotary auger
auger
rotary
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
Andreas Stihl
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 FR1202851A publication Critical patent/FR1202851A/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)
FR1202851D 1957-01-08 1958-01-07 Tarière rotative Expired FR1202851A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1202851X 1957-01-08

Publications (1)

Publication Number Publication Date
FR1202851A true FR1202851A (fr) 1960-01-14

Family

ID=7732431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1202851D Expired FR1202851A (fr) 1957-01-08 1958-01-07 Tarière rotative

Country Status (1)

Country Link
FR (1) FR1202851A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034106B1 (fr) * 1980-02-07 1983-07-13 Gaspar Jozef Coelus Trépan à compression, à plaque de fermeture plane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034106B1 (fr) * 1980-02-07 1983-07-13 Gaspar Jozef Coelus Trépan à compression, à plaque de fermeture plane

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