ZA816919B - Rotary drill bit - Google Patents
Rotary drill bitInfo
- Publication number
- ZA816919B ZA816919B ZA816919A ZA816919A ZA816919B ZA 816919 B ZA816919 B ZA 816919B ZA 816919 A ZA816919 A ZA 816919A ZA 816919 A ZA816919 A ZA 816919A ZA 816919 B ZA816919 B ZA 816919B
- Authority
- ZA
- South Africa
- Prior art keywords
- drill bit
- rotary drill
- rotary
- bit
- drill
- Prior art date
Links
Classifications
-
- 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
- F16C19/49—Bearings with both balls and rollers
-
- 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
-
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating 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
-
- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6688—Lubricant compositions or properties, e.g. viscosity
- F16C33/6692—Liquids other than oil, e.g. water, refrigerants, liquid metal
-
- 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
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
- F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
- F16C33/366—Tapered rollers, i.e. rollers generally shaped as truncated cones
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 |
---|---|---|---|
SE8008471A SE424756B (sv) | 1980-12-03 | 1980-12-03 | Bergborrkrona med kylning |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA816919B true ZA816919B (en) | 1982-09-29 |
Family
ID=20342383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA816919A ZA816919B (en) | 1980-12-03 | 1981-10-06 | Rotary drill bit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4427307A (xx) |
EP (1) | EP0065525B1 (xx) |
AU (1) | AU542997B2 (xx) |
BR (1) | BR8107753A (xx) |
CA (1) | CA1171071A (xx) |
SE (1) | SE424756B (xx) |
WO (1) | WO1982001910A1 (xx) |
ZA (1) | ZA816919B (xx) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4516640A (en) * | 1983-12-08 | 1985-05-14 | Santrade Ltd. | Rotary drill bit |
US5370330A (en) * | 1991-02-28 | 1994-12-06 | Daiwa Seiko, Inc. | One-way clutch for a fishing reel with an improved contact surface configuration |
US6033117A (en) * | 1995-12-19 | 2000-03-07 | Smith International, Inc. | Sealed bearing drill bit with dual-seal configuration |
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 |
SE516079C2 (sv) * | 1998-12-18 | 2001-11-12 | Sandvik Ab | Rullborrkrona |
US6802380B2 (en) * | 2001-08-31 | 2004-10-12 | Halliburton Energy Services Inc. | Pressure relief system and methods of use and making |
US8464813B2 (en) | 2006-06-20 | 2013-06-18 | Atlas Copco Secoroc Llc | Cutter assembly for a raise boring reamer |
US20080041633A1 (en) * | 2006-08-18 | 2008-02-21 | Atlas Copco Secoroc Llc | Earth bit having a screen |
US7975782B2 (en) * | 2006-08-18 | 2011-07-12 | Atlas Copco Secoroc Llc | Earth bit having a pressure relief valve |
US7992657B2 (en) | 2006-08-18 | 2011-08-09 | Atlas Copco Secoroc Llc | Earth bit having a wear ring |
US20080041632A1 (en) * | 2006-08-18 | 2008-02-21 | Atlas Copco Secoroc Llc | Earth bit having a retaining ring |
US20080041635A1 (en) * | 2006-08-18 | 2008-02-21 | Atlas Copco Secoroc Llc | Seal for an earth bit |
US20090078343A1 (en) * | 2007-09-24 | 2009-03-26 | Atlas Copco Secoroc Llc | Earthboring tool and method of casehardening |
US7798254B2 (en) * | 2008-01-03 | 2010-09-21 | Atlas Copco Secoroc Llc | Earth bit with hub and thrust units |
US8353369B2 (en) | 2008-08-06 | 2013-01-15 | Atlas Copco Secoroc, LLC | Percussion assisted rotary earth bit and method of operating the same |
US8763728B2 (en) * | 2008-08-06 | 2014-07-01 | Atlas Copco Secoroc, LLC | Percussion assisted rotary earth bit and method of operating the same |
RU2479708C1 (ru) * | 2011-12-16 | 2013-04-20 | Николай Митрофанович Панин | Буровое шарошечное долото |
EP2990588B1 (en) * | 2014-08-28 | 2020-04-01 | Sandvik Intellectual Property AB | By-pass fluid passageway for drill bit |
US10119335B2 (en) * | 2016-02-18 | 2018-11-06 | Baker Hughes Incorporated | Bearings for downhole tools, downhole tools incorporating such bearings, and related methods |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2152125A1 (de) * | 1971-01-20 | 1972-07-27 | Rollway Bearing Co Inc | Rolle fuer ein Waelzlager |
SE412088B (sv) * | 1977-06-03 | 1980-02-18 | Sandvik Ab | Lageranordning vid roterande borrkronor |
US4232914A (en) * | 1979-02-26 | 1980-11-11 | The Torrington Company | Hollow roller tapered bearing |
SE428139B (sv) * | 1979-03-28 | 1983-06-06 | Sandvik Ab | Bergborrkrona |
-
1980
- 1980-12-03 SE SE8008471A patent/SE424756B/sv not_active IP Right Cessation
-
1981
- 1981-10-05 US US06/308,893 patent/US4427307A/en not_active Expired - Fee Related
- 1981-10-06 ZA ZA816919A patent/ZA816919B/xx unknown
- 1981-10-08 AU AU76159/81A patent/AU542997B2/en not_active Ceased
- 1981-10-14 WO PCT/SE1981/000300 patent/WO1982001910A1/en active IP Right Grant
- 1981-10-14 EP EP81902854A patent/EP0065525B1/en not_active Expired
- 1981-10-27 CA CA000388818A patent/CA1171071A/en not_active Expired
- 1981-11-27 BR BR8107753A patent/BR8107753A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
EP0065525A1 (en) | 1982-12-01 |
SE8008471L (sv) | 1982-06-04 |
SE424756B (sv) | 1982-08-09 |
WO1982001910A1 (en) | 1982-06-10 |
US4427307A (en) | 1984-01-24 |
BR8107753A (pt) | 1982-08-31 |
AU542997B2 (en) | 1985-03-28 |
AU7615981A (en) | 1982-06-10 |
EP0065525B1 (en) | 1985-09-18 |
CA1171071A (en) | 1984-07-17 |
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