ZA801606B - Rotary drill bit - Google Patents

Rotary drill bit

Info

Publication number
ZA801606B
ZA801606B ZA00801606A ZA801606A ZA801606B ZA 801606 B ZA801606 B ZA 801606B ZA 00801606 A ZA00801606 A ZA 00801606A ZA 801606 A ZA801606 A ZA 801606A ZA 801606 B ZA801606 B ZA 801606B
Authority
ZA
South Africa
Prior art keywords
drill bit
rotary drill
rotary
bit
drill
Prior art date
Application number
ZA00801606A
Other languages
English (en)
Inventor
M Micca
G Norlander
A Vignotto
Original Assignee
Sandvik Ab
Skf Ab
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 Sandvik Ab, Skf Ab filed Critical Sandvik Ab
Publication of ZA801606B publication Critical patent/ZA801606B/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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/381—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with at least one row for radial load in combination with at least one row for axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA00801606A 1979-03-28 1980-03-19 Rotary drill bit ZA801606B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7902763A SE428139B (sv) 1979-03-28 1979-03-28 Bergborrkrona

Publications (1)

Publication Number Publication Date
ZA801606B true ZA801606B (en) 1981-03-25

Family

ID=20337667

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00801606A ZA801606B (en) 1979-03-28 1980-03-19 Rotary drill bit

Country Status (9)

Country Link
US (1) US4298079A (xx)
EP (1) EP0025789B1 (xx)
AU (1) AU5677480A (xx)
BR (1) BR8007874A (xx)
CA (1) CA1126722A (xx)
DE (1) DE3063030D1 (xx)
SE (1) SE428139B (xx)
WO (1) WO1980002037A1 (xx)
ZA (1) ZA801606B (xx)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
SE8008430L (sv) * 1980-12-02 1982-06-03 Sandvik Ab Bergborrkrona
SE424756B (sv) * 1980-12-03 1982-08-09 Sandvik Ab Bergborrkrona med kylning
US4422650A (en) * 1982-09-22 1983-12-27 Caterpillar Tractor Co. Flexible seal assembly
US4516640A (en) * 1983-12-08 1985-05-14 Santrade Ltd. Rotary drill bit
US4585236A (en) * 1985-03-14 1986-04-29 Morgan Construction Company Double jointed coolant seal
US5027911A (en) * 1989-11-02 1991-07-02 Dresser Industries, Inc. Double seal with lubricant gap between seals for sealed rotary drill bits
US4981182A (en) * 1990-01-26 1991-01-01 Dresser Industries, Inc. Sealed rotary blast hole drill bit utilizing air pressure for seal protection
US5137097A (en) * 1990-10-30 1992-08-11 Modular Engineering Modular drill bit
US5467836A (en) * 1992-01-31 1995-11-21 Baker Hughes Incorporated Fixed cutter bit with shear cutting gage
US5346026A (en) * 1992-01-31 1994-09-13 Baker Hughes Incorporated Rolling cone bit with shear cutting gage
US5287936A (en) * 1992-01-31 1994-02-22 Baker Hughes Incorporated Rolling cone bit with shear cutting gage
US5441120A (en) * 1994-08-31 1995-08-15 Dresser Industries, Inc. Roller cone rock bit having a sealing system with double elastomer seals
US5513715A (en) * 1994-08-31 1996-05-07 Dresser Industries, Inc. Flat seal for a roller cone rock bit
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
US5636700A (en) * 1995-01-03 1997-06-10 Dresser Industries, Inc. Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction
US5570750A (en) * 1995-04-20 1996-11-05 Dresser Industries, Inc. Rotary drill bit with improved shirttail and seal protection
US6196339B1 (en) 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
US5709278A (en) * 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
US5722497A (en) * 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces
US5740871A (en) * 1996-05-01 1998-04-21 Dresser Industries, Inc. Flow diverter ring for a rotary drill bit and method
US6336512B1 (en) * 1999-02-02 2002-01-08 Smith International, Inc. Drill bit having canted seal
FR2791390B1 (fr) * 1999-03-26 2001-06-29 Hutchinson Tete de forage presentant un trepan a cones
GB2380500A (en) * 2001-10-05 2003-04-09 Varel International Inc Rotary cone bit with thrust bearing
US20090107731A1 (en) * 2007-10-30 2009-04-30 George Fedorovich Drillbit seal
RU2621226C2 (ru) * 2012-12-14 2017-06-01 АТЛАС КОПКО СЕКОРОК ЭлЭлСи Вращательное буровое долото

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945240A (en) * 1932-07-13 1934-01-30 Roy R Guthrie Rotary drill bit
US3075781A (en) * 1958-02-10 1963-01-29 Hughes Tool Co Bearing seal
US3137508A (en) * 1961-01-03 1964-06-16 Hughes Tool Co Bearing seal
US3096835A (en) * 1962-01-02 1963-07-09 Smith Ind International Inc Bearing seal for rotary rock bits
US3193028A (en) * 1962-09-26 1965-07-06 Exxon Production Research Co Rotary drill bit
US3199878A (en) * 1962-12-10 1965-08-10 Hughes Tool Co Seal between a pair of relatively rotatably, radially extending surfaces
US3244459A (en) * 1963-07-01 1966-04-05 Exxon Production Research Co Pressure lubricated drill bit bearing
US3381968A (en) * 1965-08-17 1968-05-07 Smith Ind International Inc Bearing seal
US3370895A (en) * 1965-09-28 1968-02-27 Dresser Ind Bearing seal for drilling bits
US3489421A (en) * 1967-03-23 1970-01-13 Smith International Bearing seal
US3663073A (en) * 1970-04-16 1972-05-16 Varel Mfg Co Sealed bearing earth boring bit
DE2162863A1 (de) * 1970-12-24 1972-07-13 Institutul de Proiectari si Cercetari pentru Utilaj Petrolier, IPCUP, Bukarest Schmier- und Abdichtungsvorrichtung für Bohrmeißellager
US3862762A (en) * 1973-02-26 1975-01-28 Parker Hannifin Corp Seal for drill bit bearings
US4094518A (en) * 1975-08-27 1978-06-13 Flavell Proprietary Limited Shaft seal
SE7703810L (sv) * 1977-04-01 1978-10-02 Sandvik Ab Tetningsanordning vid rullborrkronor

Also Published As

Publication number Publication date
SE7902763L (sv) 1980-09-29
AU5677480A (en) 1980-10-02
CA1126722A (en) 1982-06-29
DE3063030D1 (en) 1983-06-16
SE428139B (sv) 1983-06-06
EP0025789B1 (en) 1983-05-11
WO1980002037A1 (en) 1980-10-02
BR8007874A (pt) 1981-02-03
EP0025789A1 (en) 1981-04-01
US4298079A (en) 1981-11-03

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