FR1154010A - Perfectionnements aux foreuses au rocher - Google Patents

Perfectionnements aux foreuses au rocher

Info

Publication number
FR1154010A
FR1154010A FR1154010DA FR1154010A FR 1154010 A FR1154010 A FR 1154010A FR 1154010D A FR1154010D A FR 1154010DA FR 1154010 A FR1154010 A FR 1154010A
Authority
FR
France
Prior art keywords
rock drill
drill rigs
rigs
rock
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.)
Hellefors Bruks AB
Original Assignee
Hellefors 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 Hellefors Bruks AB filed Critical Hellefors Bruks AB
Application granted granted Critical
Publication of FR1154010A publication Critical patent/FR1154010A/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
    • E21B10/56—Button-type inserts
    • 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)
FR1154010D 1955-06-17 1956-06-18 Perfectionnements aux foreuses au rocher Expired FR1154010A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1154010X 1955-06-17

Publications (1)

Publication Number Publication Date
FR1154010A true FR1154010A (fr) 1958-04-01

Family

ID=20421044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154010D Expired FR1154010A (fr) 1955-06-17 1956-06-18 Perfectionnements aux foreuses au rocher

Country Status (1)

Country Link
FR (1) FR1154010A (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
FR2521633A1 (fr) * 1982-02-18 1983-08-19 Guillet Justin Trepan pour la perforation de materiaux tels que roche ou beton
EP3581352A1 (fr) * 2018-06-11 2019-12-18 HILTI Aktiengesellschaft Alésoir et procédé permettant de produire des alésages fraisés dans du béton

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
FR2521633A1 (fr) * 1982-02-18 1983-08-19 Guillet Justin Trepan pour la perforation de materiaux tels que roche ou beton
EP3581352A1 (fr) * 2018-06-11 2019-12-18 HILTI Aktiengesellschaft Alésoir et procédé permettant de produire des alésages fraisés dans du béton

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