FR2289313A1 - Disques de decoupage pour machines de forage de rochers - Google Patents

Disques de decoupage pour machines de forage de rochers

Info

Publication number
FR2289313A1
FR2289313A1 FR7435934A FR7435934A FR2289313A1 FR 2289313 A1 FR2289313 A1 FR 2289313A1 FR 7435934 A FR7435934 A FR 7435934A FR 7435934 A FR7435934 A FR 7435934A FR 2289313 A1 FR2289313 A1 FR 2289313A1
Authority
FR
France
Prior art keywords
disc
cutters
groove
equi
drilling tool
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.)
Granted
Application number
FR7435934A
Other languages
English (en)
French (fr)
Other versions
FR2289313B3 (enExample
Inventor
Henry Peter Hatch
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.)
Boart Hardmetals Pty Ltd
Original Assignee
Boart Hardmetals Pty Ltd
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 Boart Hardmetals Pty Ltd filed Critical Boart Hardmetals Pty Ltd
Priority to FR7435934A priority Critical patent/FR2289313A1/fr
Publication of FR2289313A1 publication Critical patent/FR2289313A1/fr
Application granted granted Critical
Publication of FR2289313B3 publication Critical patent/FR2289313B3/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/104—Cutting tool fixtures
    • 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
    • E21B10/08—Roller bits
    • E21B10/12—Roller bits with discs cutters
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
FR7435934A 1974-10-28 1974-10-28 Disques de decoupage pour machines de forage de rochers Granted FR2289313A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7435934A FR2289313A1 (fr) 1974-10-28 1974-10-28 Disques de decoupage pour machines de forage de rochers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435934A FR2289313A1 (fr) 1974-10-28 1974-10-28 Disques de decoupage pour machines de forage de rochers

Publications (2)

Publication Number Publication Date
FR2289313A1 true FR2289313A1 (fr) 1976-05-28
FR2289313B3 FR2289313B3 (enExample) 1977-08-05

Family

ID=9144469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435934A Granted FR2289313A1 (fr) 1974-10-28 1974-10-28 Disques de decoupage pour machines de forage de rochers

Country Status (1)

Country Link
FR (1) FR2289313A1 (enExample)

Also Published As

Publication number Publication date
FR2289313B3 (enExample) 1977-08-05

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Legal Events

Date Code Title Description
ST Notification of lapse