CA1033710A - Rotary rock bit with cone mouth air screen - Google Patents
Rotary rock bit with cone mouth air screenInfo
- 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
Links
- 239000011435 rock Substances 0.000 title 1
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)
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 (en) |
CA (1) | CA1033710A (en) |
NO (1) | NO146549C (en) |
Families Citing this family (32)
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 (en) * | 1976-04-12 | 1986-09-01 | Skf Ind Trading & Dev | DRILL CHISEL FOR ROCK. |
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 (en) * | 1976-08-23 | 1978-02-27 | Skf Ind Trading & Dev | ROLLING CHISEL. |
DE2703724C3 (en) * | 1977-01-29 | 1980-02-21 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Device for lubricating the bearings of roller bits by means of the flushing liquid used during drilling |
SE7703810L (en) * | 1977-04-01 | 1978-10-02 | Sandvik Ab | SEALING DEVICE AT ROLL DRILL CROWN |
US4193463A (en) * | 1977-04-27 | 1980-03-18 | Smith International, Inc. | Drilling bit fluid-cooled friction bearing |
SE412088B (en) * | 1977-06-03 | 1980-02-18 | Sandvik Ab | STORAGE DEVICE FOR ROTARY DRILL CHRONICLE |
SE416746B (en) * | 1978-07-11 | 1981-02-02 | Sandvik Ab | DEVICE FOR COOLING ROLL DRILLS |
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 (en) * | 1980-12-02 | 1982-06-03 | Sandvik Ab | Rock drill bit |
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 |
US5513715A (en) * | 1994-08-31 | 1996-05-07 | Dresser Industries, Inc. | Flat seal for a roller cone rock bit |
US5441120A (en) * | 1994-08-31 | 1995-08-15 | Dresser Industries, Inc. | Roller cone rock bit having a sealing system with double elastomer seals |
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 |
US6254275B1 (en) | 1995-12-19 | 2001-07-03 | Smith International, Inc. | Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability |
US6264367B1 (en) | 1995-12-19 | 2001-07-24 | Smith International, Inc. | Dual-seal drill bit with 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 (en) | 2014-08-28 | 2020-05-29 | Sandvik Intellectual Property | Semi-sealed rotary drill tool |
ES2795064T3 (en) | 2014-08-28 | 2020-11-20 | Sandvik Intellectual Property | Bypass Fluid Passage for Drill Tool |
Family Cites Families (6)
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 |
-
1975
- 1975-02-27 US US553763A patent/US3921735A/en not_active Expired - Lifetime
- 1975-09-03 CA CA234,663A patent/CA1033710A/en not_active Expired
- 1975-09-03 NO NO753032A patent/NO146549C/en unknown
Also Published As
Publication number | Publication date |
---|---|
US3921735A (en) | 1975-11-25 |
NO753032L (en) | 1976-08-30 |
NO146549C (en) | 1982-10-20 |
NO146549B (en) | 1982-07-12 |
AU8465575A (en) | 1977-03-17 |
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