AU4881769A - Improvements in rock drill bits - Google Patents

Improvements in rock drill bits

Info

Publication number
AU4881769A
AU4881769A AU48817/69A AU4881769A AU4881769A AU 4881769 A AU4881769 A AU 4881769A AU 48817/69 A AU48817/69 A AU 48817/69A AU 4881769 A AU4881769 A AU 4881769A AU 4881769 A AU4881769 A AU 4881769A
Authority
AU
Australia
Prior art keywords
drill bits
rock drill
rock
bits
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
AU48817/69A
Inventor
POSTHUMUS ROETS and ROBERT PLAYFORD MAGNUS HOLLIDAY JOHANNES
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.)
WICKMAN SOUTH AFRICA Pty Ltd
Original Assignee
WICKMAN SOUTH AFRICA 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 WICKMAN SOUTH AFRICA Pty Ltd filed Critical WICKMAN SOUTH AFRICA Pty Ltd
Priority to AU48817/69A priority Critical patent/AU4881769A/en
Publication of AU4881769A publication Critical patent/AU4881769A/en
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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
AU48817/69A 1969-01-08 1969-01-08 Improvements in rock drill bits Expired AU4881769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU48817/69A AU4881769A (en) 1969-01-08 1969-01-08 Improvements in rock drill bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU48817/69A AU4881769A (en) 1969-01-08 1969-01-08 Improvements in rock drill bits

Publications (1)

Publication Number Publication Date
AU4881769A true AU4881769A (en) 1970-07-09

Family

ID=3735557

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48817/69A Expired AU4881769A (en) 1969-01-08 1969-01-08 Improvements in rock drill bits

Country Status (1)

Country Link
AU (1) AU4881769A (en)

Similar Documents

Publication Publication Date Title
AU1156670A (en) Improvements in or relating to percussion drill bit
AU1189270A (en) Improvements in or relating to percussion drill bit
ZA702626B (en) Retractable drill bits
AU451287B1 (en) Drill bit stop
CA925071A (en) Down-hole drilling hammer
CA920575A (en) Rotary drill bit and holder
CA922208A (en) Rock drill
CA961029A (en) Rock drill
CA923114A (en) Drill bit
AU5393769A (en) Improvements in rock drill bits
AU4881769A (en) Improvements in rock drill bits
AU444110B2 (en) Drill bit
AU469730B1 (en) Drilling bit
CA803877A (en) Rock drill bit assembly
AU1108870A (en) Improvements in rock drill bits
CA825035A (en) Diamond drill bit
CA820149A (en) Drill bit
AU444135B2 (en) Rock drill
CA790457A (en) Drill bit
CA796618A (en) Rock drill bits
AU439507B2 (en) Retractable drill bits
AU445307B2 (en) Rock drill bit drive
AU2328670A (en) Drill bit
CA807545A (en) Independent rotation rock drill
CA791556A (en) Rock drill bit