CA1033710A - Rotary rock bit with cone mouth air screen - Google Patents

Rotary rock bit with cone mouth air screen

Info

Publication number
CA1033710A
CA1033710A CA234,663A CA234663A CA1033710A CA 1033710 A CA1033710 A CA 1033710A CA 234663 A CA234663 A CA 234663A CA 1033710 A CA1033710 A CA 1033710A
Authority
CA
Canada
Prior art keywords
rock bit
air screen
cone mouth
mouth air
rotary rock
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
CA234,663A
Other languages
English (en)
French (fr)
Other versions
CA234663S (en
Inventor
Theodore R. Dysart
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.)
Dresser Industries Inc
Original Assignee
Dresser 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 Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of CA1033710A publication Critical patent/CA1033710A/en
Expired legal-status Critical Current

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
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
CA234,663A 1975-02-27 1975-09-03 Rotary rock bit with cone mouth air screen Expired CA1033710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US553763A US3921735A (en) 1975-02-27 1975-02-27 Rotary rock bit with cone mouth air screen

Publications (1)

Publication Number Publication Date
CA1033710A true CA1033710A (en) 1978-06-27

Family

ID=24210657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234,663A Expired CA1033710A (en) 1975-02-27 1975-09-03 Rotary rock bit with cone mouth air screen

Country Status (3)

Country Link
US (1) US3921735A (ref)
CA (1) CA1033710A (ref)
NO (1) NO146549C (ref)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046431A (en) * 1975-09-10 1977-09-06 The United States Of America As Represented By The Secretary Of The Interior Water lubricated bearing assembly for mining machine
US4211453A (en) * 1976-04-12 1980-07-08 Skf Industrial Trading And Development Co. B.V. Rock drill bit lubrication system
NL179409C (nl) * 1976-04-12 1986-09-01 Skf Ind Trading & Dev Boorbeitel voor gesteente.
US4098358A (en) * 1976-04-22 1978-07-04 Klima Frank J Drill bit with hard-faced bearing surfaces
NL7609328A (nl) * 1976-08-23 1978-02-27 Skf Ind Trading & Dev Rolbeitel.
DE2703724C3 (de) * 1977-01-29 1980-02-21 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Einrichtung zum Schmieren der Lager von Rollenmeißeln mittels der beim Bohren verwendeten Spülflüssigkeit
SE7703810L (sv) * 1977-04-01 1978-10-02 Sandvik Ab Tetningsanordning vid rullborrkronor
US4193463A (en) * 1977-04-27 1980-03-18 Smith International, Inc. Drilling bit fluid-cooled friction bearing
SE412088B (sv) * 1977-06-03 1980-02-18 Sandvik Ab Lageranordning vid roterande borrkronor
SE416746B (sv) * 1978-07-11 1981-02-02 Sandvik Ab Anordning for kylning av rullborrkronor
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
SE8008430L (sv) * 1980-12-02 1982-06-03 Sandvik Ab Bergborrkrona
US4453836A (en) * 1981-08-31 1984-06-12 Klima Frank J Sealed hard-rock drill bit
US4515228A (en) * 1983-11-28 1985-05-07 Hughes Tool Company - Usa Air groove scraper
US4688651A (en) * 1986-03-21 1987-08-25 Dresser Industries, Inc. Cone mouth debris exclusion shield
US4793424A (en) * 1987-02-27 1988-12-27 Drilex Systems, Inc. Self-lubricating well tools and seal elements therefor
US4813502A (en) * 1988-06-28 1989-03-21 Dresser Industries, Inc. Drilling bit with improved trailing edge vent
US4981182A (en) * 1990-01-26 1991-01-01 Dresser Industries, Inc. Sealed rotary blast hole drill bit utilizing air pressure for seal protection
US5056610A (en) * 1990-09-17 1991-10-15 Smith International, Inc. Shale diverting means for a sealed bearing drill bit
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
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6254275B1 (en) 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
WO2002088507A2 (en) * 2001-04-26 2002-11-07 Halliburton Energy Services, Inc. Roller cone bits with reduced packing
US7628231B2 (en) * 2006-09-21 2009-12-08 Baker Hughes Incorporated Protector for rock bit seals
EP2907964A1 (en) * 2014-02-12 2015-08-19 Sandvik Intellectual Property AB Cone Cutter for Rotary Cutting Bit
EP2990588B1 (en) 2014-08-28 2020-04-01 Sandvik Intellectual Property AB By-pass fluid passageway for drill bit
ES2795063T3 (es) 2014-08-28 2020-11-20 Sandvik Intellectual Property Herramienta de taladro rotatorio semisellada

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193028A (en) * 1962-09-26 1965-07-06 Exxon Production Research Co Rotary drill bit
US3534823A (en) * 1969-02-28 1970-10-20 Murphy Ind Inc G W Drill bit
US3713707A (en) * 1970-01-12 1973-01-30 Sun Oil Co Bearing seal
US3680873A (en) * 1970-07-06 1972-08-01 Smith International Axially and rotationally locked bearing seal
US3719241A (en) * 1971-11-24 1973-03-06 Dresser Ind Free breathing lubrication system for sealed bearing rock bits
US3866695A (en) * 1974-07-01 1975-02-18 Dresser Ind Bearing Cavity Pressure Maintenance Device For Sealed Bearing Rock Bit

Also Published As

Publication number Publication date
NO146549B (no) 1982-07-12
NO146549C (no) 1982-10-20
AU8465575A (en) 1977-03-17
NO753032L (ref) 1976-08-30
US3921735A (en) 1975-11-25

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