FR1473701A - Drill head - Google Patents

Drill head

Info

Publication number
FR1473701A
FR1473701A FR56052A FR56052A FR1473701A FR 1473701 A FR1473701 A FR 1473701A FR 56052 A FR56052 A FR 56052A FR 56052 A FR56052 A FR 56052A FR 1473701 A FR1473701 A FR 1473701A
Authority
FR
France
Prior art keywords
drill head
drill
head
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
FR56052A
Other languages
French (fr)
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.)
Beteiligungs und Patentverwaltungs GmbH
Original Assignee
Beteiligungs und Patentverwaltungs GmbH
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 Beteiligungs und Patentverwaltungs GmbH filed Critical Beteiligungs und Patentverwaltungs GmbH
Priority to FR56052A priority Critical patent/FR1473701A/en
Application granted granted Critical
Publication of FR1473701A publication Critical patent/FR1473701A/en
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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
FR56052A 1966-04-01 1966-04-01 Drill head Expired FR1473701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR56052A FR1473701A (en) 1966-04-01 1966-04-01 Drill head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR56052A FR1473701A (en) 1966-04-01 1966-04-01 Drill head

Publications (1)

Publication Number Publication Date
FR1473701A true FR1473701A (en) 1967-03-17

Family

ID=8605325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR56052A Expired FR1473701A (en) 1966-04-01 1966-04-01 Drill head

Country Status (1)

Country Link
FR (1) FR1473701A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197019A1 (en) * 1985-04-04 1986-10-08 Santrade Ltd. Drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197019A1 (en) * 1985-04-04 1986-10-08 Santrade Ltd. Drill bit

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