NO146549C - Borkrone. - Google Patents

Borkrone.

Info

Publication number
NO146549C
NO146549C NO753032A NO753032A NO146549C NO 146549 C NO146549 C NO 146549C NO 753032 A NO753032 A NO 753032A NO 753032 A NO753032 A NO 753032A NO 146549 C NO146549 C NO 146549C
Authority
NO
Norway
Prior art keywords
bearing pin
internal cavity
cone
borehole
cone cutter
Prior art date
Application number
NO753032A
Other languages
English (en)
Other versions
NO753032L (no
NO146549B (no
Inventor
Theodore Rivers Dysart
Original Assignee
Dresser Ind
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 Ind filed Critical Dresser Ind
Publication of NO753032L publication Critical patent/NO753032L/no
Publication of NO146549B publication Critical patent/NO146549B/no
Publication of NO146549C publication Critical patent/NO146549C/no

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)
NO753032A 1975-02-27 1975-09-03 Borkrone. NO146549C (no)

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 (3)

Publication Number Publication Date
NO753032L NO753032L (no) 1976-08-30
NO146549B NO146549B (no) 1982-07-12
NO146549C true NO146549C (no) 1982-10-20

Family

ID=24210657

Family Applications (1)

Application Number Title Priority Date Filing Date
NO753032A NO146549C (no) 1975-02-27 1975-09-03 Borkrone.

Country Status (3)

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

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
NL179409C (nl) * 1976-04-12 1986-09-01 Skf Ind Trading & Dev Boorbeitel voor gesteente.
US4211453A (en) * 1976-04-12 1980-07-08 Skf Industrial Trading And Development Co. B.V. Rock drill bit lubrication system
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
US7044242B2 (en) * 2001-04-26 2006-05-16 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
PT2990587T (pt) 2014-08-28 2020-05-29 Sandvik Intellectual Property Ferramenta de furação rotativa semi-selada
ES2795064T3 (es) 2014-08-28 2020-11-20 Sandvik Intellectual Property Pasadizo de fluido de baipás para herramienta de taladro

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
AU8465575A (en) 1977-03-17
NO753032L (no) 1976-08-30
NO146549B (no) 1982-07-12
US3921735A (en) 1975-11-25
CA1033710A (en) 1978-06-27

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