FR1219604A - Couronne de fleuret à percussion - Google Patents

Couronne de fleuret à percussion

Info

Publication number
FR1219604A
FR1219604A FR790942A FR790942A FR1219604A FR 1219604 A FR1219604 A FR 1219604A FR 790942 A FR790942 A FR 790942A FR 790942 A FR790942 A FR 790942A FR 1219604 A FR1219604 A FR 1219604A
Authority
FR
France
Prior art keywords
percussion
crown
foil
percussion foil
foil crown
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
FR790942A
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.)
Uddeholms AB
Original Assignee
Uddeholms 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 Uddeholms AB filed Critical Uddeholms AB
Application granted granted Critical
Publication of FR1219604A publication Critical patent/FR1219604A/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
    • 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
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/58—Chisel-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)
FR790942A 1958-04-01 1959-04-01 Couronne de fleuret à percussion Expired FR1219604A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1219604X 1958-04-01

Publications (1)

Publication Number Publication Date
FR1219604A true FR1219604A (fr) 1960-05-18

Family

ID=20422238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790942A Expired FR1219604A (fr) 1958-04-01 1959-04-01 Couronne de fleuret à percussion

Country Status (1)

Country Link
FR (1) FR1219604A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412392A1 (fr) * 1977-12-21 1979-07-20 Krupp Gmbh Fleuret a roches
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
FR2450936A1 (fr) * 1979-03-08 1980-10-03 Cagnioncle Georges Nouvelle foreuse rotative a taillant protege par un film fluide a tres haute pression

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412392A1 (fr) * 1977-12-21 1979-07-20 Krupp Gmbh Fleuret a roches
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
FR2450936A1 (fr) * 1979-03-08 1980-10-03 Cagnioncle Georges Nouvelle foreuse rotative a taillant protege par un film fluide a tres haute pression
EP0017518A1 (fr) * 1979-03-08 1980-10-15 Construction De Materiels De Mines Foreuse rotative et procédé de foration à l'aide de cette foreuse

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