ZA795460B - A rock drilling tool - Google Patents

A rock drilling tool

Info

Publication number
ZA795460B
ZA795460B ZA00795460A ZA795460A ZA795460B ZA 795460 B ZA795460 B ZA 795460B ZA 00795460 A ZA00795460 A ZA 00795460A ZA 795460 A ZA795460 A ZA 795460A ZA 795460 B ZA795460 B ZA 795460B
Authority
ZA
South Africa
Prior art keywords
drilling tool
rock drilling
rock
tool
drilling
Prior art date
Application number
ZA00795460A
Inventor
T Helgesson
Original Assignee
Fagersta 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 Ab filed Critical Fagersta Ab
Publication of ZA795460B publication Critical patent/ZA795460B/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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA00795460A 1978-10-23 1979-10-12 A rock drilling tool ZA795460B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7810992 1978-10-23

Publications (1)

Publication Number Publication Date
ZA795460B true ZA795460B (en) 1980-10-29

Family

ID=20336161

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00795460A ZA795460B (en) 1978-10-23 1979-10-12 A rock drilling tool

Country Status (5)

Country Link
AU (1) AU5146579A (en)
DE (1) DE2940274A1 (en)
FR (1) FR2439868A1 (en)
GB (1) GB2033454B (en)
ZA (1) ZA795460B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361197A (en) * 1980-09-24 1982-11-30 Kennametal Inc. Blast hole grooving bit and wear resistant compact
CN113404435B (en) * 2021-07-12 2022-04-12 潍坊盛德石油机械制造有限公司 Eccentric drill bit and drilling equipment
EP4239159A1 (en) * 2022-03-04 2023-09-06 Sandvik Mining and Construction Tools AB Central flushing channel comprising id marker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1003544A (en) * 1947-01-21 1952-03-19 Lorraine Carbone Improvements in percussion mine cutters
DE1920510A1 (en) * 1969-04-23 1970-11-12 John Higgins Drill bit for rock drill
DE2718920A1 (en) * 1977-04-28 1978-11-09 Wallram Hartmetall Gmbh Stone cutting head with three radial cutting inserts - has hard metal plate shaped inserts with convex cutting faces

Also Published As

Publication number Publication date
DE2940274A1 (en) 1980-04-30
GB2033454B (en) 1982-09-22
AU5146579A (en) 1980-05-01
GB2033454A (en) 1980-05-21
FR2439868A1 (en) 1980-05-23
FR2439868B3 (en) 1981-10-16

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