ZA743063B - Improvements in or relating to disc cutters for rock boring machines - Google Patents

Improvements in or relating to disc cutters for rock boring machines

Info

Publication number
ZA743063B
ZA743063B ZA00743063A ZA743063A ZA743063B ZA 743063 B ZA743063 B ZA 743063B ZA 00743063 A ZA00743063 A ZA 00743063A ZA 743063 A ZA743063 A ZA 743063A ZA 743063 B ZA743063 B ZA 743063B
Authority
ZA
South Africa
Prior art keywords
relating
boring machines
disc cutters
rock boring
rock
Prior art date
Application number
ZA00743063A
Inventor
H Bingham
Original Assignee
Boart Hardmetals 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 Ltd filed Critical Boart Hardmetals Ltd
Priority to ZA00743063A priority Critical patent/ZA743063B/en
Priority to AU81107/75A priority patent/AU490642B2/en
Priority to GB20213/75A priority patent/GB1479374A/en
Priority to BR3815/75D priority patent/BR7502992A/en
Publication of ZA743063B publication Critical patent/ZA743063B/en

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
    • E21B10/50—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
    • 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

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)
  • Earth Drilling (AREA)
ZA00743063A 1974-05-14 1974-05-14 Improvements in or relating to disc cutters for rock boring machines ZA743063B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ZA00743063A ZA743063B (en) 1974-05-14 1974-05-14 Improvements in or relating to disc cutters for rock boring machines
AU81107/75A AU490642B2 (en) 1974-05-14 1975-05-13 Improvements in or relating to disc cutters for rock boring machines
GB20213/75A GB1479374A (en) 1974-05-14 1975-05-13 Disc cutters for rock boring machines
BR3815/75D BR7502992A (en) 1974-05-14 1975-05-14 IMPROVEMENT IN ROCK DRILLING MACHINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00743063A ZA743063B (en) 1974-05-14 1974-05-14 Improvements in or relating to disc cutters for rock boring machines

Publications (1)

Publication Number Publication Date
ZA743063B true ZA743063B (en) 1975-12-31

Family

ID=25567688

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00743063A ZA743063B (en) 1974-05-14 1974-05-14 Improvements in or relating to disc cutters for rock boring machines

Country Status (3)

Country Link
BR (1) BR7502992A (en)
GB (1) GB1479374A (en)
ZA (1) ZA743063B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5785135B1 (en) * 1996-10-03 2000-05-02 Baker Hughes Inc Earth-boring bit having cutter with replaceable kerf ring with contoured inserts
PL3463777T3 (en) * 2016-05-27 2023-12-11 Joy Global Underground Mining Llc Cutting device with wear elements

Also Published As

Publication number Publication date
AU8110775A (en) 1976-11-18
BR7502992A (en) 1976-03-23
GB1479374A (en) 1977-07-13

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