FR1168451A - Outil pour le forage du sol - Google Patents

Outil pour le forage du sol

Info

Publication number
FR1168451A
FR1168451A FR1168451DA FR1168451A FR 1168451 A FR1168451 A FR 1168451A FR 1168451D A FR1168451D A FR 1168451DA FR 1168451 A FR1168451 A FR 1168451A
Authority
FR
France
Prior art keywords
tool
soil drilling
drilling
soil
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
Wladimir Tiraspolsky
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 FR1168451A publication Critical patent/FR1168451A/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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

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)
FR1168451D 1957-01-18 1957-01-18 Outil pour le forage du sol Expired FR1168451A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1168451T 1957-01-18

Publications (1)

Publication Number Publication Date
FR1168451A true FR1168451A (fr) 1958-12-09

Family

ID=9655963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1168451D Expired FR1168451A (fr) 1957-01-18 1957-01-18 Outil pour le forage du sol

Country Status (1)

Country Link
FR (1) FR1168451A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736711A1 (de) * 1976-08-23 1978-03-02 Skf Ind Trading & Dev Bohrkrone zum gesteinsbohren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736711A1 (de) * 1976-08-23 1978-03-02 Skf Ind Trading & Dev Bohrkrone zum gesteinsbohren

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