JPS6128799B2 - - Google Patents
Info
- Publication number
- JPS6128799B2 JPS6128799B2 JP53118699A JP11869978A JPS6128799B2 JP S6128799 B2 JPS6128799 B2 JP S6128799B2 JP 53118699 A JP53118699 A JP 53118699A JP 11869978 A JP11869978 A JP 11869978A JP S6128799 B2 JPS6128799 B2 JP S6128799B2
- Authority
- JP
- Japan
- Prior art keywords
- roller
- circumferential surface
- bit
- ring
- edge ring
- 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
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
- F16C33/80—Labyrinth 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
- 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
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
- F16J15/3416—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with at least one continuous groove
-
- 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
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
-
- 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
- F16J15/44—Free-space packings
- F16J15/441—Free-space packings with floating ring
-
- 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)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Sealing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2743825A DE2743825C2 (de) | 1977-09-29 | 1977-09-29 | Rollenmeißel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5457401A JPS5457401A (en) | 1979-05-09 |
JPS6128799B2 true JPS6128799B2 (en, 2012) | 1986-07-02 |
Family
ID=6020210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11869978A Granted JPS5457401A (en) | 1977-09-29 | 1978-09-28 | Roller bit |
Country Status (5)
Country | Link |
---|---|
US (1) | US4213656A (en, 2012) |
EP (1) | EP0001406A1 (en, 2012) |
JP (1) | JPS5457401A (en, 2012) |
DE (1) | DE2743825C2 (en, 2012) |
IT (1) | IT1174653B (en, 2012) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE463110B (sv) * | 1979-02-02 | 1990-10-08 | Sandvik Ab | Saett och anordning foer stigortsdrivning |
JPS5921922Y2 (ja) * | 1979-06-20 | 1984-06-30 | 株式会社シマノ | 自転車用ハブのシ−ル構造 |
US4623028A (en) * | 1985-09-16 | 1986-11-18 | Reed Tool Company | Seal assembly for drill bits |
US4934467A (en) * | 1988-12-02 | 1990-06-19 | Dresser Industries, Inc. | Drill bit wear resistant surface for elastomeric seal |
AU2003211184B2 (en) * | 1998-07-06 | 2007-09-13 | Skf Australia Pty Ltd | Axle box sealing system |
AU784026B2 (en) * | 1999-07-06 | 2006-01-19 | Skf Australia Pty Ltd | Axle box sealing system |
DE102004025796A1 (de) * | 2004-05-26 | 2005-12-22 | Fag Kugelfischer Ag & Co. Ohg | Abgedichtetes Wälzlager, insbesondere abgedichtetes vierreihiges Kegelrollenlager für Stütz- und Arbeitswalzenlagerungen an Walzgerüsten |
DE102006033560B4 (de) * | 2006-07-20 | 2015-10-29 | Bayerische Motoren Werke Aktiengesellschaft | Gleitlageranordnung |
CN107709691A (zh) * | 2015-07-21 | 2018-02-16 | 哈里伯顿能源服务公司 | 具有非对称滚珠座圈和延伸摩擦座圈的牙轮钻头轴颈 |
DE102017128937B4 (de) * | 2017-12-06 | 2020-01-30 | Schaeffler Technologies AG & Co. KG | Wälzlager mit integrierter Druckabdichtung |
US11378187B2 (en) * | 2019-01-03 | 2022-07-05 | Raytheon Technologies Corporation | Articulating cantilevered hydrostatic seal |
US10982770B2 (en) | 2019-01-03 | 2021-04-20 | Raytheon Technologies Corporation | Hydrostatic seal with extended housing |
US10995861B2 (en) | 2019-01-03 | 2021-05-04 | Raytheon Technologies Corporation | Cantilevered hydrostatic advanced low leakage seal |
US10975713B2 (en) | 2019-01-04 | 2021-04-13 | Raytheon Technologies Corporation | Hydrostatic seal with aft tooth |
US10961858B2 (en) * | 2019-01-04 | 2021-03-30 | Raytheon Technologies Corporation | Hydrostatic seal with enhanced maneuver response |
US10689912B1 (en) | 2019-12-12 | 2020-06-23 | PDB Tools, Inc. | Sealed bearing rock bit with a low profile seal |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056440B (de) * | 1956-10-23 | 1959-04-30 | Zahnradfabrik Friedrichshafen | Dichtungskoerper |
FR1295380A (fr) * | 1961-02-22 | 1962-06-08 | Perfectionnements aux outils de forage de puits de pétrole | |
US3055666A (en) * | 1961-06-21 | 1962-09-25 | Moreno Nivardo Ricardo | Grease seal retainer |
US3193028A (en) * | 1962-09-26 | 1965-07-06 | Exxon Production Research Co | Rotary drill bit |
US3251634A (en) * | 1963-07-01 | 1966-05-17 | Exxon Production Research Co | Drill bit bearing lubricator |
US3397928A (en) * | 1965-11-08 | 1968-08-20 | Edward M. Galle | Seal means for drill bit bearings |
US3467448A (en) * | 1965-11-24 | 1969-09-16 | Hughes Tool Co | Drill bit bearing seal assembly including resiliently mounted rigid ring |
DE1247097B (de) * | 1965-12-24 | 1967-08-10 | Goetzewerke | Dichtring |
US3466052A (en) * | 1968-01-25 | 1969-09-09 | Nasa | Foil seal |
DE2021011C3 (de) | 1970-04-29 | 1974-12-12 | Maschinen- Und Bohrgeraete-Fabrik Alfred Wirth & Co Kg, 5140 Erkelenz | Rollenmeißel für Drehbohrwerkzeuge |
US4153258A (en) * | 1972-06-06 | 1979-05-08 | Skf Industrial Trading And Development Company | Packing seal |
JPS5076255U (en, 2012) * | 1973-11-17 | 1975-07-03 | ||
NL179154C (nl) * | 1975-02-17 | 1986-07-16 | Skf Ind Trading & Dev | Rotary boorkop. |
US4102419A (en) * | 1976-05-10 | 1978-07-25 | Klima Frank J | Rolling cutter drill bit with annular seal rings |
NL7609328A (nl) * | 1976-08-23 | 1978-02-27 | Skf Ind Trading & Dev | Rolbeitel. |
-
1977
- 1977-09-29 DE DE2743825A patent/DE2743825C2/de not_active Expired
-
1978
- 1978-09-14 EP EP78100890A patent/EP0001406A1/de not_active Ceased
- 1978-09-22 IT IT27965/78A patent/IT1174653B/it active
- 1978-09-22 US US05/944,968 patent/US4213656A/en not_active Expired - Lifetime
- 1978-09-28 JP JP11869978A patent/JPS5457401A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2743825C2 (de) | 1986-01-30 |
IT7827965A0 (it) | 1978-09-22 |
US4213656A (en) | 1980-07-22 |
DE2743825A1 (de) | 1979-04-12 |
EP0001406A1 (de) | 1979-04-18 |
JPS5457401A (en) | 1979-05-09 |
IT1174653B (it) | 1987-07-01 |
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