FR1343814A - Couronne de sondage pour forer la roche par percussion - Google Patents

Couronne de sondage pour forer la roche par percussion

Info

Publication number
FR1343814A
FR1343814A FR913610A FR913610A FR1343814A FR 1343814 A FR1343814 A FR 1343814A FR 913610 A FR913610 A FR 913610A FR 913610 A FR913610 A FR 913610A FR 1343814 A FR1343814 A FR 1343814A
Authority
FR
France
Prior art keywords
drill bit
core drill
percussion drilling
percussion
drilling
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
FR913610A
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.)
VER WERKZEUG und BESTECKFABRIK
Original Assignee
VER WERKZEUG und BESTECKFABRIK
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 VER WERKZEUG und BESTECKFABRIK filed Critical VER WERKZEUG und BESTECKFABRIK
Priority to FR913610A priority Critical patent/FR1343814A/fr
Application granted granted Critical
Publication of FR1343814A publication Critical patent/FR1343814A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

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)
FR913610A 1962-10-26 1962-10-26 Couronne de sondage pour forer la roche par percussion Expired FR1343814A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR913610A FR1343814A (fr) 1962-10-26 1962-10-26 Couronne de sondage pour forer la roche par percussion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR913610A FR1343814A (fr) 1962-10-26 1962-10-26 Couronne de sondage pour forer la roche par percussion

Publications (1)

Publication Number Publication Date
FR1343814A true FR1343814A (fr) 1963-11-22

Family

ID=8789614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913610A Expired FR1343814A (fr) 1962-10-26 1962-10-26 Couronne de sondage pour forer la roche par percussion

Country Status (1)

Country Link
FR (1) FR1343814A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122242A1 (fr) * 1983-04-05 1984-10-17 Santrade Ltd. Fleuret à roches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122242A1 (fr) * 1983-04-05 1984-10-17 Santrade Ltd. Fleuret à roches

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