AU5393769A - Improvements in rock drill bits - Google Patents

Improvements in rock drill bits

Info

Publication number
AU5393769A
AU5393769A AU53937/69A AU5393769A AU5393769A AU 5393769 A AU5393769 A AU 5393769A AU 53937/69 A AU53937/69 A AU 53937/69A AU 5393769 A AU5393769 A AU 5393769A AU 5393769 A AU5393769 A AU 5393769A
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
AU53937/69A
Inventor
Higgins John
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU53937/69A priority Critical patent/AU5393769A/en
Publication of AU5393769A publication Critical patent/AU5393769A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-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)
AU53937/69A 1969-04-23 1969-04-23 Improvements in rock drill bits Expired AU5393769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU53937/69A AU5393769A (en) 1969-04-23 1969-04-23 Improvements in rock drill bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU53937/69A AU5393769A (en) 1969-04-23 1969-04-23 Improvements in rock drill bits

Publications (1)

Publication Number Publication Date
AU5393769A true AU5393769A (en) 1970-10-29

Family

ID=3739919

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53937/69A Expired AU5393769A (en) 1969-04-23 1969-04-23 Improvements in rock drill bits

Country Status (1)

Country Link
AU (1) AU5393769A (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
AU4881769A (en) Improvements in rock drill bits
AU5393769A (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