FR2411957A1 - Trepan a molettes coniques - Google Patents
Trepan a molettes coniquesInfo
- Publication number
- FR2411957A1 FR2411957A1 FR7834961A FR7834961A FR2411957A1 FR 2411957 A1 FR2411957 A1 FR 2411957A1 FR 7834961 A FR7834961 A FR 7834961A FR 7834961 A FR7834961 A FR 7834961A FR 2411957 A1 FR2411957 A1 FR 2411957A1
- Authority
- FR
- France
- Prior art keywords
- trepan
- tapered roller
- bearing
- housing
- bearings
- 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.)
- Granted
Links
- 241000425571 Trepanes Species 0.000 title abstract 3
- 239000000314 lubricant Substances 0.000 abstract 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
-
- 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
-
- 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
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
-
- 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)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Rolling Contact Bearings (AREA)
Abstract
TREPAN A MOLETTES CONIQUES, DONT CHAQUE MOLETTE EST MONTEE PAR PLUSIEURS PALIERS SUR LE CORPS DU TREPAN. LE LOGEMENT 17 DU ROULEMENT 4 EST SEPARE PAR UN JOINT D'ETANCHEITE 18 DU LOGEMENT 19 DES PALIERS LISSES 6 ET 9, CE QUI PERMENT D'UTILISER POUR CHAQUE PALIER LE LUBRIFIANT LE PLUS APPROPRIE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2755591A DE2755591C2 (de) | 1977-12-14 | 1977-12-14 | Rollenmeißel mit kegelig ausgebildeten Schneidrollen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2411957A1 true FR2411957A1 (fr) | 1979-07-13 |
FR2411957B1 FR2411957B1 (fr) | 1983-08-05 |
Family
ID=6026050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7834961A Granted FR2411957A1 (fr) | 1977-12-14 | 1978-12-12 | Trepan a molettes coniques |
Country Status (7)
Country | Link |
---|---|
US (1) | US4249781A (fr) |
JP (1) | JPS5492503A (fr) |
DE (1) | DE2755591C2 (fr) |
FR (1) | FR2411957A1 (fr) |
GB (1) | GB2010358B (fr) |
IT (2) | IT1160045B (fr) |
SE (1) | SE438706B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3207237C2 (de) * | 1982-02-25 | 1984-06-07 | Mannesmann AG, 4000 Düsseldorf | Gewindeverbindung für Ölfeldrohre |
US4793719A (en) * | 1987-11-18 | 1988-12-27 | Smith International, Inc. | Precision roller bearing rock bits |
JPH01267921A (ja) * | 1988-04-19 | 1989-10-25 | Omron Tateisi Electron Co | 密封型継電器 |
US4955440A (en) * | 1989-07-19 | 1990-09-11 | Intevep, S.A. | Rotary drill bits with plural sealing systems |
US5586611A (en) * | 1995-10-13 | 1996-12-24 | Cypress Services, Inc. | Drill bit having dual split bushings for cutter support and retention |
DE10112293C1 (de) * | 2001-03-08 | 2002-07-25 | Demag Mobile Cranes Gmbh & Co | Großdrehlagerung |
AU2005332456B2 (en) * | 2005-05-31 | 2010-02-25 | Mitsubishi Heavy Industries, Ltd. | Structure of slewing ring bearing |
US7708090B2 (en) * | 2006-07-12 | 2010-05-04 | Baker Hughes Incorporated | Excluder ring for earth-boring bit |
US10119335B2 (en) | 2016-02-18 | 2018-11-06 | Baker Hughes Incorporated | Bearings for downhole tools, downhole tools incorporating such bearings, and related methods |
US10519720B2 (en) | 2016-02-18 | 2019-12-31 | Baker Hughes, A Ge Company, Llc | Bearings for downhole tools, downhole tools incorporating such bearings, and related methods |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294113B (de) * | 1964-01-11 | 1969-04-30 | Wetzel Roland | Kugeldrehverbindung |
US3620580A (en) * | 1970-08-03 | 1971-11-16 | Hughes Tool Co | Rock drill with increased bearing life |
US3746405A (en) * | 1971-11-18 | 1973-07-17 | Globe Oil Tools Co | Well drilling bit lubrication and seal |
FR2243323A1 (fr) * | 1973-09-12 | 1975-04-04 | Dresser Ind | |
FR2253942A1 (fr) * | 1973-12-10 | 1975-07-04 | Skf Ind Trading & Dev | |
US3923108A (en) * | 1975-01-17 | 1975-12-02 | Jr Edward B Williams | Drill tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1053319A (fr) * | 1952-04-02 | 1954-02-02 | Materiel De Forage Soc De Fab | Dispositif de montage pour outils à molettes |
US2759777A (en) * | 1954-08-31 | 1956-08-21 | Norma Hoffman Bearings Corp | Sealed bearing structure |
US3127942A (en) * | 1962-01-02 | 1964-04-07 | Smith Ind International Inc | Bearing closure for rotary rock bit |
US3307645A (en) * | 1964-10-20 | 1967-03-07 | Exxon Production Research Co | Reverse bearing bit |
JPS5415842B2 (fr) * | 1972-11-29 | 1979-06-18 | ||
NL179409C (nl) * | 1976-04-12 | 1986-09-01 | Skf Ind Trading & Dev | Boorbeitel voor gesteente. |
-
1977
- 1977-12-14 DE DE2755591A patent/DE2755591C2/de not_active Expired
-
1978
- 1978-11-06 IT IT2946478A patent/IT1160045B/it active
- 1978-11-06 IT IT2321678U patent/IT7823216V0/it unknown
- 1978-12-05 US US05/966,668 patent/US4249781A/en not_active Expired - Lifetime
- 1978-12-06 JP JP15016878A patent/JPS5492503A/ja active Granted
- 1978-12-06 GB GB7847408A patent/GB2010358B/en not_active Expired
- 1978-12-11 SE SE7812690A patent/SE438706B/sv unknown
- 1978-12-12 FR FR7834961A patent/FR2411957A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294113B (de) * | 1964-01-11 | 1969-04-30 | Wetzel Roland | Kugeldrehverbindung |
US3620580A (en) * | 1970-08-03 | 1971-11-16 | Hughes Tool Co | Rock drill with increased bearing life |
US3746405A (en) * | 1971-11-18 | 1973-07-17 | Globe Oil Tools Co | Well drilling bit lubrication and seal |
FR2243323A1 (fr) * | 1973-09-12 | 1975-04-04 | Dresser Ind | |
FR2253942A1 (fr) * | 1973-12-10 | 1975-07-04 | Skf Ind Trading & Dev | |
US3923108A (en) * | 1975-01-17 | 1975-12-02 | Jr Edward B Williams | Drill tool |
Also Published As
Publication number | Publication date |
---|---|
IT7829464A0 (it) | 1978-11-06 |
IT7823216V0 (it) | 1978-11-06 |
JPS6135353B2 (fr) | 1986-08-12 |
JPS5492503A (en) | 1979-07-21 |
IT1160045B (it) | 1987-03-04 |
GB2010358B (en) | 1982-03-24 |
US4249781A (en) | 1981-02-10 |
DE2755591A1 (de) | 1979-06-21 |
SE438706B (sv) | 1985-04-29 |
FR2411957B1 (fr) | 1983-08-05 |
SE7812690L (sv) | 1979-06-15 |
GB2010358A (en) | 1979-06-27 |
DE2755591C2 (de) | 1985-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |