FR1353986A - Trépan à carotter - Google Patents

Trépan à carotter

Info

Publication number
FR1353986A
FR1353986A FR932475A FR932475A FR1353986A FR 1353986 A FR1353986 A FR 1353986A FR 932475 A FR932475 A FR 932475A FR 932475 A FR932475 A FR 932475A FR 1353986 A FR1353986 A FR 1353986A
Authority
FR
France
Prior art keywords
drill bit
core drill
core
bit
drill
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
FR932475A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SVENSKA DIAMANTBERGBORRNINGS AB
Original Assignee
SVENSKA DIAMANTBERGBORRNINGS AB
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 by SVENSKA DIAMANTBERGBORRNINGS AB filed Critical SVENSKA DIAMANTBERGBORRNINGS AB
Priority to FR932475A priority Critical patent/FR1353986A/fr
Application granted granted Critical
Publication of FR1353986A publication Critical patent/FR1353986A/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
    • E21B10/02—Core bits

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)
FR932475A 1963-04-24 1963-04-24 Trépan à carotter Expired FR1353986A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR932475A FR1353986A (fr) 1963-04-24 1963-04-24 Trépan à carotter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR932475A FR1353986A (fr) 1963-04-24 1963-04-24 Trépan à carotter

Publications (1)

Publication Number Publication Date
FR1353986A true FR1353986A (fr) 1964-02-28

Family

ID=8802270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR932475A Expired FR1353986A (fr) 1963-04-24 1963-04-24 Trépan à carotter

Country Status (1)

Country Link
FR (1) FR1353986A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006213045A (ja) * 2005-02-04 2006-08-17 Misumi Tokushu:Kk コアドリル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006213045A (ja) * 2005-02-04 2006-08-17 Misumi Tokushu:Kk コアドリル

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