SE7902763L - Bergborrkrona - Google Patents

Bergborrkrona

Info

Publication number
SE7902763L
SE7902763L SE7902763A SE7902763A SE7902763L SE 7902763 L SE7902763 L SE 7902763L SE 7902763 A SE7902763 A SE 7902763A SE 7902763 A SE7902763 A SE 7902763A SE 7902763 L SE7902763 L SE 7902763L
Authority
SE
Sweden
Prior art keywords
roller cutter
sealing means
drill bit
rock drill
roller
Prior art date
Application number
SE7902763A
Other languages
English (en)
Other versions
SE428139B (sv
Inventor
G Norlander
A Vignotto
M Micca
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
Priority to SE7902763A priority Critical patent/SE428139B/sv
Priority to BR8007874A priority patent/BR8007874A/pt
Priority to PCT/SE1980/000079 priority patent/WO1980002037A1/en
Priority to DE8080900517T priority patent/DE3063030D1/de
Priority to ZA00801606A priority patent/ZA801606B/xx
Priority to AU56774/80A priority patent/AU5677480A/en
Priority to CA348,558A priority patent/CA1126722A/en
Priority to US06/136,351 priority patent/US4298079A/en
Publication of SE7902763L publication Critical patent/SE7902763L/sv
Priority to EP80900517A priority patent/EP0025789B1/en
Publication of SE428139B publication Critical patent/SE428139B/sv

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)
SE7902763A 1979-03-28 1979-03-28 Bergborrkrona SE428139B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE7902763A SE428139B (sv) 1979-03-28 1979-03-28 Bergborrkrona
BR8007874A BR8007874A (pt) 1979-03-28 1980-03-14 Broca rotatoria de perfuratriz
PCT/SE1980/000079 WO1980002037A1 (en) 1979-03-28 1980-03-14 Rotary drill bit
DE8080900517T DE3063030D1 (en) 1979-03-28 1980-03-14 Rotary drill bit
ZA00801606A ZA801606B (en) 1979-03-28 1980-03-19 Rotary drill bit
AU56774/80A AU5677480A (en) 1979-03-28 1980-03-24 Rotary drill bit
CA348,558A CA1126722A (en) 1979-03-28 1980-03-27 Rotary drill bit
US06/136,351 US4298079A (en) 1979-03-28 1980-04-01 Rotary drill bit
EP80900517A EP0025789B1 (en) 1979-03-28 1980-10-08 Rotary drill bit

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7902763L true SE7902763L (sv) 1980-09-29
SE428139B SE428139B (sv) 1983-06-06

Family

ID=20337667

Family Applications (1)

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

Country Status (9)

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

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
US5287936A (en) * 1992-01-31 1994-02-22 Baker Hughes Incorporated Rolling cone bit with shear cutting gage
US5346026A (en) * 1992-01-31 1994-09-13 Baker Hughes Incorporated Rolling cone bit with shear cutting gage
US5467836A (en) * 1992-01-31 1995-11-21 Baker Hughes Incorporated Fixed cutter bit with shear cutting gage
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
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
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
CN104995368B (zh) * 2012-12-14 2017-03-22 阿特拉斯·科普柯(美国)塞科洛克有限公司 空气冷却的钻地钻头

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
DE3063030D1 (en) 1983-06-16
SE428139B (sv) 1983-06-06
CA1126722A (en) 1982-06-29
WO1980002037A1 (en) 1980-10-02
US4298079A (en) 1981-11-03
EP0025789B1 (en) 1983-05-11
BR8007874A (pt) 1981-02-03
ZA801606B (en) 1981-03-25
AU5677480A (en) 1980-10-02
EP0025789A1 (en) 1981-04-01

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