IT8423810A0 - Punta perforatrice per scavi in miniera. - Google Patents

Punta perforatrice per scavi in miniera.

Info

Publication number
IT8423810A0
IT8423810A0 IT8423810A IT2381084A IT8423810A0 IT 8423810 A0 IT8423810 A0 IT 8423810A0 IT 8423810 A IT8423810 A IT 8423810A IT 2381084 A IT2381084 A IT 2381084A IT 8423810 A0 IT8423810 A0 IT 8423810A0
Authority
IT
Italy
Prior art keywords
drilling bit
mine excavations
excavations
mine
drilling
Prior art date
Application number
IT8423810A
Other languages
English (en)
Other versions
IT1178643B (it
Inventor
Herman Mcknight
Original Assignee
Graessle Clement F
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 Graessle Clement F filed Critical Graessle Clement F
Publication of IT8423810A0 publication Critical patent/IT8423810A0/it
Application granted granted Critical
Publication of IT1178643B publication Critical patent/IT1178643B/it

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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • 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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
IT23810/84A 1983-11-29 1984-11-29 Punta perforatrice per scavi in miniera IT1178643B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55600583A 1983-11-29 1983-11-29

Publications (2)

Publication Number Publication Date
IT8423810A0 true IT8423810A0 (it) 1984-11-29
IT1178643B IT1178643B (it) 1987-09-09

Family

ID=24219495

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23810/84A IT1178643B (it) 1983-11-29 1984-11-29 Punta perforatrice per scavi in miniera

Country Status (8)

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

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 (en) 1985-12-11
WO1985002442A1 (en) 1985-06-06
CA1240311A (en) 1988-08-09
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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