AU6822087A - Drill bit with removable inserts - Google Patents

Drill bit with removable inserts

Info

Publication number
AU6822087A
AU6822087A AU68220/87A AU6822087A AU6822087A AU 6822087 A AU6822087 A AU 6822087A AU 68220/87 A AU68220/87 A AU 68220/87A AU 6822087 A AU6822087 A AU 6822087A AU 6822087 A AU6822087 A AU 6822087A
Authority
AU
Australia
Prior art keywords
drill bit
removable inserts
inserts
removable
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.)
Abandoned
Application number
AU68220/87A
Inventor
Richard Swiegers
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.)
Boart International Ltd
Original Assignee
Boart International 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 International Ltd filed Critical Boart International Ltd
Publication of AU6822087A publication Critical patent/AU6822087A/en
Abandoned 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
AU68220/87A 1986-02-03 1987-02-02 Drill bit with removable inserts Abandoned AU6822087A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA86/0769 1986-02-03
ZA86769 1986-02-03

Publications (1)

Publication Number Publication Date
AU6822087A true AU6822087A (en) 1988-08-04

Family

ID=25578265

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68220/87A Abandoned AU6822087A (en) 1986-02-03 1987-02-02 Drill bit with removable inserts

Country Status (5)

Country Link
EP (1) EP0233037A3 (en)
AU (1) AU6822087A (en)
FI (1) FI870454A (en)
IE (1) IE870259L (en)
NO (1) NO870356L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2434086B1 (en) * 2010-09-22 2013-05-15 Sandvik Intellectual Property AB A rock drill bit and a drilling assembly for percussive rock drilling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE249360C (en) *
US1388490A (en) * 1920-09-18 1921-08-23 John R Suman Rotary earth-boring drill
US4085809A (en) * 1977-01-10 1978-04-25 Robert Lovell Reconditionable drill bit assembly

Also Published As

Publication number Publication date
EP0233037A2 (en) 1987-08-19
FI870454A0 (en) 1987-02-02
FI870454A (en) 1987-08-04
EP0233037A3 (en) 1988-09-14
NO870356D0 (en) 1987-01-28
IE870259L (en) 1987-08-03
NO870356L (en) 1987-08-04

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