FR1056445A - Perfectionnements aux trépans de perforatrices à taillants rapportés - Google Patents

Perfectionnements aux trépans de perforatrices à taillants rapportés

Info

Publication number
FR1056445A
FR1056445A FR1056445DA FR1056445A FR 1056445 A FR1056445 A FR 1056445A FR 1056445D A FR1056445D A FR 1056445DA FR 1056445 A FR1056445 A FR 1056445A
Authority
FR
France
Prior art keywords
drill bits
attached cutters
cutters
attached
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
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.)
Fagersta Bruks AB
Original Assignee
Fagersta Bruks 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 Fagersta Bruks AB filed Critical Fagersta Bruks AB
Application granted granted Critical
Publication of FR1056445A publication Critical patent/FR1056445A/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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion

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)
FR1056445D 1951-05-01 1952-04-28 Perfectionnements aux trépans de perforatrices à taillants rapportés Expired FR1056445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA1056445X 1951-05-01

Publications (1)

Publication Number Publication Date
FR1056445A true FR1056445A (fr) 1954-02-26

Family

ID=25588072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1056445D Expired FR1056445A (fr) 1951-05-01 1952-04-28 Perfectionnements aux trépans de perforatrices à taillants rapportés

Country Status (1)

Country Link
FR (1) FR1056445A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426145A1 (fr) * 1978-05-16 1979-12-14 Guergen Karl Heinz Couronne de fleuret interchangeable pour perforatrice rotative de roche a percussions et marteau perforateur utilisable pour tous les types de roche
FR2837868A1 (fr) * 2002-04-02 2003-10-03 Solterm Procede d'introduction d'un equipement dans un trou de forage, et dispositif pour sa mise en oeuvre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426145A1 (fr) * 1978-05-16 1979-12-14 Guergen Karl Heinz Couronne de fleuret interchangeable pour perforatrice rotative de roche a percussions et marteau perforateur utilisable pour tous les types de roche
FR2837868A1 (fr) * 2002-04-02 2003-10-03 Solterm Procede d'introduction d'un equipement dans un trou de forage, et dispositif pour sa mise en oeuvre

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