FR2182287A5 - - Google Patents
Info
- Publication number
- FR2182287A5 FR2182287A5 FR7214609A FR7214609A FR2182287A5 FR 2182287 A5 FR2182287 A5 FR 2182287A5 FR 7214609 A FR7214609 A FR 7214609A FR 7214609 A FR7214609 A FR 7214609A FR 2182287 A5 FR2182287 A5 FR 2182287A5
- Authority
- FR
- France
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
- E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (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)
- Sliding-Contact Bearings (AREA)
- Rolling Contact Bearings (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7214609A FR2182287A5 (US06168655-20010102-C00055.png) | 1972-04-25 | 1972-04-25 | |
US00349045A US3845994A (en) | 1972-04-25 | 1973-04-09 | Plain bearing with high load capacity, particularly for boring tools with cutting wheels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7214609A FR2182287A5 (US06168655-20010102-C00055.png) | 1972-04-25 | 1972-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2182287A5 true FR2182287A5 (US06168655-20010102-C00055.png) | 1973-12-07 |
Family
ID=9097466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7214609A Expired FR2182287A5 (US06168655-20010102-C00055.png) | 1972-04-25 | 1972-04-25 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3845994A (US06168655-20010102-C00055.png) |
FR (1) | FR2182287A5 (US06168655-20010102-C00055.png) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890018A (en) * | 1974-07-19 | 1975-06-17 | Dresser Ind | Rotary rock bit with wiper pad lubrication system |
US3923108A (en) * | 1975-01-17 | 1975-12-02 | Jr Edward B Williams | Drill tool |
US3990751A (en) * | 1975-08-13 | 1976-11-09 | Reed Tool Company | Drill bit |
NO762541L (US06168655-20010102-C00055.png) * | 1975-08-13 | 1977-02-15 | Reed Tool Co | |
US4240674A (en) * | 1979-11-19 | 1980-12-23 | Evans Robert F | Positive lubricating and indexing bearing assembly |
US4386668A (en) * | 1980-09-19 | 1983-06-07 | Hughes Tool Company | Sealed lubricated and air cooled rock bit bearing |
US4333691A (en) * | 1980-10-09 | 1982-06-08 | Dresser Industries, Inc. | Rotary rock bit with improved thrust flange |
US4597455A (en) * | 1985-04-03 | 1986-07-01 | Dresser Industries, Inc. | Rock bit lubrication system |
US4880068A (en) * | 1988-11-21 | 1989-11-14 | Varel Manufacturing Company | Rotary drill bit locking mechanism |
US5520257A (en) * | 1994-12-05 | 1996-05-28 | Baker Hughes Incorporated | Bit with ball plug compensator having pressure relief means |
US5944125A (en) * | 1997-06-19 | 1999-08-31 | Varel International, Inc. | Rock bit with improved thrust face |
US7220098B2 (en) | 2003-05-27 | 2007-05-22 | General Electric Company | Wear resistant variable stator vane assemblies |
US7128171B2 (en) * | 2004-02-23 | 2006-10-31 | Baker Hughes Incorporated | Hydrodynamic pump passages for rolling cone drill bit |
US7543992B2 (en) | 2005-04-28 | 2009-06-09 | General Electric Company | High temperature rod end bearings |
GB0610987D0 (en) * | 2006-06-03 | 2006-07-12 | Elmar Services Ltd | Method and Apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1287723B (US06168655-20010102-C00055.png) * | 1964-05-15 | 1969-01-23 | ||
GB1198445A (en) * | 1966-08-05 | 1970-07-15 | British Petroleum Co | Powdered Metals |
US3476446A (en) * | 1967-06-08 | 1969-11-04 | Smith International | Rock bit and bearing |
-
1972
- 1972-04-25 FR FR7214609A patent/FR2182287A5/fr not_active Expired
-
1973
- 1973-04-09 US US00349045A patent/US3845994A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3845994A (en) | 1974-11-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |