NO891319D0 - Tetning metall mot metall i borkrone. - Google Patents
Tetning metall mot metall i borkrone.Info
- Publication number
- NO891319D0 NO891319D0 NO891319A NO891319A NO891319D0 NO 891319 D0 NO891319 D0 NO 891319D0 NO 891319 A NO891319 A NO 891319A NO 891319 A NO891319 A NO 891319A NO 891319 D0 NO891319 D0 NO 891319D0
- Authority
- NO
- Norway
- Prior art keywords
- metal
- borkrone
- seal
- seal metal
- Prior art date
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
- 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
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Sealing Devices (AREA)
- Mechanical Sealing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/176,072 US4822057A (en) | 1988-03-31 | 1988-03-31 | Mechanical face seal for rock bits |
US07/176,073 US4824123A (en) | 1988-03-31 | 1988-03-31 | Mechanical face seal for rock bits |
Publications (2)
Publication Number | Publication Date |
---|---|
NO891319D0 true NO891319D0 (no) | 1989-03-29 |
NO891319L NO891319L (no) | 1989-10-02 |
Family
ID=26871838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO89891319A NO891319L (no) | 1988-03-31 | 1989-03-29 | Tetning metall mot metall i borkrone. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0335497B1 (no) |
CA (1) | CA1333283C (no) |
DE (1) | DE68905949T2 (no) |
NO (1) | NO891319L (no) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5161898A (en) * | 1991-07-05 | 1992-11-10 | Camco International Inc. | Aluminide coated bearing elements for roller cutter drill bits |
DE9210134U1 (de) * | 1992-07-29 | 1992-09-24 | Schoenmaekers, Johannes G., Meerssen | Umfangsdichtung für eine Unterdruckkammer an einer Zuteilvorrichtung |
GB2278865B (en) * | 1993-04-16 | 1996-06-26 | Baker Hughes Inc | Earth-boring bit with improved rigid face seal |
US5791421A (en) * | 1996-08-06 | 1998-08-11 | Baker Hughes Incorporated | Optimal material pair for metal face seal in earth-boring bits |
US7117961B2 (en) * | 2003-07-31 | 2006-10-10 | Smith International, Inc. | Dynamic seal with soft interface |
CN101182756B (zh) * | 2007-12-17 | 2011-05-11 | 江汉石油钻头股份有限公司 | 一种牙轮钻头轴承密封结构 |
US9163458B2 (en) * | 2013-02-13 | 2015-10-20 | Varel International, Ind., L.P. | Rock bit having a flexible metal faced seal |
US10184565B2 (en) | 2017-01-23 | 2019-01-22 | John Crane Inc. | Mechanical end face seal having an induction heated seal face |
US10677357B2 (en) | 2017-05-15 | 2020-06-09 | John Crane Uk Ltd. | Dry gas seal with electronically controlled carrier load |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3180648A (en) * | 1959-12-14 | 1965-04-27 | Caterpillar Tractor Co | Seals |
US3370895A (en) * | 1965-09-28 | 1968-02-27 | Dresser Ind | Bearing seal for drilling bits |
US3604523A (en) * | 1970-06-01 | 1971-09-14 | Dresser Ind | Silicon carbide seal for an earth boring bit |
US3810637A (en) * | 1972-01-14 | 1974-05-14 | Mecanique Ind Int | Shaft packing |
DE2433814B2 (de) * | 1974-07-13 | 1977-08-04 | Goetzewerke Friedrich Goetze Ag, 5093 Burscheid | Plasmaspritzpulver fuer verschleissfeste beschichtungen |
US4092054A (en) * | 1975-07-24 | 1978-05-30 | Subterranean Tools Inc. | Seal arrangement for rolling cutter |
US4277109A (en) * | 1979-09-12 | 1981-07-07 | Dresser Industries, Inc. | Axial compression positive rock bit seal |
DE8007104U1 (de) * | 1980-03-15 | 1980-06-12 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Rollenmeissel mit kegeligen schneidrollen |
US4306727A (en) * | 1980-07-24 | 1981-12-22 | Reed Rock Bit Company | Dynamic seal for rolling cutter drill bit |
US4344629A (en) * | 1980-10-14 | 1982-08-17 | Smith International, Inc. | Self-lapping high speed seal with wear-in lip |
US4560175A (en) * | 1984-07-05 | 1985-12-24 | Smith International, Inc. | Hermetically welded belleville seal for rocks bits |
US4722404A (en) * | 1987-01-28 | 1988-02-02 | Varel Manufacturing Company | Drill bit bearing seal |
-
1989
- 1989-02-24 EP EP19890301829 patent/EP0335497B1/en not_active Expired - Lifetime
- 1989-02-24 DE DE1989605949 patent/DE68905949T2/de not_active Expired - Fee Related
- 1989-03-07 CA CA 593021 patent/CA1333283C/en not_active Expired - Fee Related
- 1989-03-29 NO NO89891319A patent/NO891319L/no unknown
Also Published As
Publication number | Publication date |
---|---|
EP0335497A2 (en) | 1989-10-04 |
CA1333283C (en) | 1994-11-29 |
EP0335497A3 (en) | 1989-12-27 |
NO891319L (no) | 1989-10-02 |
EP0335497B1 (en) | 1993-04-14 |
DE68905949T2 (de) | 1993-07-22 |
DE68905949D1 (de) | 1993-05-19 |
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