CA1240311A - Mining drill bit - Google Patents

Mining drill bit

Info

Publication number
CA1240311A
CA1240311A CA000468971A CA468971A CA1240311A CA 1240311 A CA1240311 A CA 1240311A CA 000468971 A CA000468971 A CA 000468971A CA 468971 A CA468971 A CA 468971A CA 1240311 A CA1240311 A CA 1240311A
Authority
CA
Canada
Prior art keywords
drill bit
slot
bore
head
debris
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
CA000468971A
Other languages
English (en)
French (fr)
Inventor
Herman Mcknight
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.)
NU-WAY INDUSTRIES Inc
Original Assignee
NU-WAY INDUSTRIES Inc
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 NU-WAY INDUSTRIES Inc filed Critical NU-WAY INDUSTRIES Inc
Application granted granted Critical
Publication of CA1240311A publication Critical patent/CA1240311A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58Chisel-type inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/38Percussion 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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA000468971A 1983-11-29 1984-11-29 Mining drill bit Expired CA1240311A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55600583A 1983-11-29 1983-11-29
US556,005 1983-11-29

Publications (1)

Publication Number Publication Date
CA1240311A true CA1240311A (en) 1988-08-09

Family

ID=24219495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000468971A Expired CA1240311A (en) 1983-11-29 1984-11-29 Mining drill bit

Country Status (8)

Country Link
EP (1) EP0163727A1 (de)
KR (1) KR850004138A (de)
AU (1) AU3743185A (de)
CA (1) CA1240311A (de)
IT (1) IT1178643B (de)
PL (1) PL250631A1 (de)
WO (1) WO1985002442A1 (de)
ZA (1) ZA849207B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621414A1 (de) * 1986-06-26 1988-01-07 Hawera Probst Kg Hartmetall Bohrwerkzeug
US5172775A (en) * 1991-03-06 1992-12-22 Kennametal Inc. Rotary drill bit insert
DE19964272C2 (de) * 1999-09-16 2003-05-28 Heller Dinklage Gmbh Geb Bohrer, insbesondere Gesteinsbohrer
US6595305B1 (en) 2000-02-15 2003-07-22 Kennametal Inc. Drill bit, hard member, and bit body
DE10129064A1 (de) 2001-06-15 2002-12-19 Hilti Ag Gesteinsbohrwerkzeug
US6860344B2 (en) 2001-06-25 2005-03-01 Kennametal Inc. Monolithic roof cutting bit insert
US7909547B2 (en) 2005-10-08 2011-03-22 Milwaukee Electric Tool Corporation Replaceable tip for a bit or auger bit
US8328477B2 (en) 2006-03-02 2012-12-11 Milwaukee Electric Tool Corporation Cutting tool
CN205218137U (zh) 2013-02-01 2016-05-11 米沃奇电动工具公司 具有可替换钻头的螺旋钻头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529788A (en) * 1948-07-06 1950-11-14 Carl A Signell Drill
DE803895C (de) * 1948-12-03 1951-04-12 Herbert Jeschke Dr Ing Gesteinsschlagbohrer mit Hartmetallschneiden
US3163246A (en) * 1963-04-18 1964-12-29 Westinghouse Air Brake Co Rock drill bit
US3269471A (en) * 1963-11-26 1966-08-30 Robert T Alexander Rock drilling bit
NL191520C (nl) * 1980-05-12 1995-08-21 Hoogovens Groep Bv Tapgatboor voor een hoogoven.
US4356873A (en) * 1980-12-08 1982-11-02 Mining Tools, Div. Of Smith Int'l., Inc. Cutter mounting and apparatus and method for a drill bit

Also Published As

Publication number Publication date
EP0163727A1 (de) 1985-12-11
WO1985002442A1 (en) 1985-06-06
IT8423810A0 (it) 1984-11-29
ZA849207B (en) 1985-07-31
IT1178643B (it) 1987-09-09
PL250631A1 (en) 1985-08-13
AU3743185A (en) 1985-06-13
KR850004138A (ko) 1985-07-01

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Legal Events

Date Code Title Description
MKEX Expiry