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AU424259B2 - Drill bit - Google Patents
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AU424259B2 - Drill bit - Google Patents

Drill bit

Info

Publication number
AU424259B2
AU424259B2 AU29856/71A AU2985671A AU424259B2 AU 424259 B2 AU424259 B2 AU 424259B2 AU 29856/71 A AU29856/71 A AU 29856/71A AU 2985671 A AU2985671 A AU 2985671A AU 424259 B2 AU424259 B2 AU 424259B2
Authority
AU
Australia
Prior art keywords
drill bit
drill
bit
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
AU29856/71A
Other versions
AU2985671A (en
Inventor
A. Donegan Edward
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.)
Thompson Products Ltd
Original Assignee
Thompson Products 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 Thompson Products Ltd filed Critical Thompson Products Ltd
Priority to AU29856/71A priority Critical patent/AU424259B2/en
Application granted granted Critical
Publication of AU424259B2 publication Critical patent/AU424259B2/en
Publication of AU2985671A publication Critical patent/AU2985671A/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

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)
AU29856/71A 1971-06-09 1971-06-09 Drill bit Expired AU424259B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU29856/71A AU424259B2 (en) 1971-06-09 1971-06-09 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU29856/71A AU424259B2 (en) 1971-06-09 1971-06-09 Drill bit

Publications (2)

Publication Number Publication Date
AU424259B2 true AU424259B2 (en) 1972-05-16
AU2985671A AU2985671A (en) 1972-06-01

Family

ID=3717845

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29856/71A Expired AU424259B2 (en) 1971-06-09 1971-06-09 Drill bit

Country Status (1)

Country Link
AU (1) AU424259B2 (en)

Also Published As

Publication number Publication date
AU2985671A (en) 1972-06-01

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