ZA795775B - Roof drill bit with hexagonal body portion - Google Patents

Roof drill bit with hexagonal body portion

Info

Publication number
ZA795775B
ZA795775B ZA00795775A ZA795775A ZA795775B ZA 795775 B ZA795775 B ZA 795775B ZA 00795775 A ZA00795775 A ZA 00795775A ZA 795775 A ZA795775 A ZA 795775A ZA 795775 B ZA795775 B ZA 795775B
Authority
ZA
South Africa
Prior art keywords
body portion
drill bit
hexagonal body
roof drill
roof
Prior art date
Application number
ZA00795775A
Other languages
English (en)
Inventor
K Emmerich
Original Assignee
Fansteel 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 Fansteel Inc filed Critical Fansteel Inc
Publication of ZA795775B publication Critical patent/ZA795775B/xx

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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

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)
ZA00795775A 1978-12-21 1979-10-29 Roof drill bit with hexagonal body portion ZA795775B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/971,844 US4190128A (en) 1978-12-21 1978-12-21 Roof drill bit with hexagonal body portion

Publications (1)

Publication Number Publication Date
ZA795775B true ZA795775B (en) 1980-10-29

Family

ID=25518864

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00795775A ZA795775B (en) 1978-12-21 1979-10-29 Roof drill bit with hexagonal body portion

Country Status (5)

Country Link
US (1) US4190128A (de)
AU (1) AU522868B2 (de)
CA (1) CA1120918A (de)
DE (1) DE2945766C2 (de)
ZA (1) ZA795775B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313506A (en) * 1980-09-10 1982-02-02 Connell Thomas L O Drill cutter bit
US4368789A (en) * 1980-11-03 1983-01-18 Orr . . . Screw Machine Products, Inc. Drilling apparatus
US4330044A (en) * 1981-01-02 1982-05-18 Orr . . . Screw Machine Products, Inc. Drill bit
US4398611A (en) * 1982-02-08 1983-08-16 Gte Products Corporation Mining drill
US4515230A (en) * 1982-10-25 1985-05-07 Fansteel Inc. Roof drill bit
US4744699A (en) * 1986-05-19 1988-05-17 Baker International Corporation Single-pass roof bolt and apparatus and method for installation
US4819748A (en) * 1987-02-20 1989-04-11 Truscott Aaron S Roof drill bit
US4907660A (en) * 1988-03-21 1990-03-13 Arnol Staggs Interchangeable sectional mining drill and bolt driver system
US5467837A (en) * 1993-09-01 1995-11-21 Kennametal Inc. Rotary drill bit having an insert with leading and trailing relief portions
US6092612A (en) * 1995-06-07 2000-07-25 Brady; William J. Rotary drilling systems
US6427782B2 (en) 1995-06-07 2002-08-06 The William J. Brady Loving Trust Noise suppression drilling system
US5634515A (en) * 1995-12-28 1997-06-03 Lambert; Kenneth W. Geothermal heat-pump system and installation of same
US5833017A (en) * 1996-10-10 1998-11-10 Kennametal Inc. Cutting bit assembly for impinging an earth strata
DE19810192A1 (de) * 1998-03-10 1999-09-16 Hilti Ag Bohrwerkzeug
DE19810193A1 (de) * 1998-03-10 1999-09-16 Hilti Ag Bohrwerkzeug
US6250404B1 (en) 1999-06-08 2001-06-26 The Charles Machine Works, Inc. Directional boring head
US6595305B1 (en) * 2000-02-15 2003-07-22 Kennametal Inc. Drill bit, hard member, and bit body
US6915867B2 (en) * 2003-06-30 2005-07-12 Kennametal Inc. Earth penetrating rotary drill bit with helical ports
US7229236B2 (en) * 2005-06-13 2007-06-12 Kennametal Inc. Helical cutting insert with progressive cutting edge
US7090444B1 (en) * 2005-06-13 2006-08-15 Kennametal Inc. Helical cutting insert with axial clearance slash
US7563060B2 (en) * 2005-10-13 2009-07-21 The Boeing Company Vacuum drilling system
JP4566260B2 (ja) * 2008-12-25 2010-10-20 株式会社森精機製作所 工具内流路を有する工具
AU2009202702A1 (en) * 2009-06-19 2011-01-13 Sandvik Intellectual Property Ab A drill bit
US8584777B2 (en) 2010-06-04 2013-11-19 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US9109412B2 (en) 2010-06-04 2015-08-18 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
AU2010212356B2 (en) * 2010-08-13 2015-11-26 Sandvik Intellectual Property Ab Drill bit
US9080400B1 (en) 2010-11-24 2015-07-14 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US9194187B2 (en) 2013-03-15 2015-11-24 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
CN105378211B (zh) 2013-05-28 2019-11-26 联合机械工程公司 真空钻孔系统和方法
CN104552616A (zh) * 2013-10-14 2015-04-29 李斯建 一种吸屑式钻头

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US533343A (en) * 1895-01-29 Milk-cooler
US2030530A (en) * 1935-07-17 1936-02-11 Canadian Atlas Steels Ltd Drill
GB483886A (en) * 1937-04-24 1938-04-27 William James Mccallum Improvements in or relating to rock drilling devices
US3022840A (en) * 1959-03-19 1962-02-27 Mine Safety Appliances Co Dust collecting rotary rock drill
US3187825A (en) * 1963-08-06 1965-06-08 Gen Electric Cutter bit for roof drill
US3554306A (en) * 1968-11-29 1971-01-12 Carmet Co Polygonal drill rod assembly
US3774556A (en) * 1971-07-02 1973-11-27 E Poll Process and apparatus for introducing liquids into soil
US4019590A (en) * 1975-03-03 1977-04-26 Carmet Company Method of roof drilling
US4086972A (en) * 1976-05-06 1978-05-02 Carmet Company Method and apparatus for roof drilling
US4099585A (en) * 1977-01-19 1978-07-11 Fansteel Inc. Roof drilling system

Also Published As

Publication number Publication date
CA1120918A (en) 1982-03-30
AU522868B2 (en) 1982-07-01
DE2945766A1 (de) 1980-07-03
AU5197279A (en) 1980-06-26
US4190128A (en) 1980-02-26
DE2945766C2 (de) 1983-10-20

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