SE8400015L - Bergborrkrona - Google Patents
BergborrkronaInfo
- Publication number
- SE8400015L SE8400015L SE8400015A SE8400015A SE8400015L SE 8400015 L SE8400015 L SE 8400015L SE 8400015 A SE8400015 A SE 8400015A SE 8400015 A SE8400015 A SE 8400015A SE 8400015 L SE8400015 L SE 8400015L
- Authority
- SE
- Sweden
- Prior art keywords
- sealing
- drill bit
- head
- shaped
- rock drill
- Prior art date
Links
- 239000011435 rock Substances 0.000 title 1
- 238000007789 sealing Methods 0.000 abstract 6
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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8400015A SE454527B (sv) | 1984-01-03 | 1984-01-03 | Tetningsanordning vid rullborrkrona |
US06/678,776 US4554985A (en) | 1984-01-03 | 1984-12-06 | Rotary drill bit |
GB08431595A GB2152557B (en) | 1984-01-03 | 1984-12-14 | Rotary drill bit |
JP59274203A JPS60156894A (ja) | 1984-01-03 | 1984-12-27 | 回転ドリルビツト |
CA000471299A CA1237424A (en) | 1984-01-03 | 1985-01-02 | Rotary drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8400015A SE454527B (sv) | 1984-01-03 | 1984-01-03 | Tetningsanordning vid rullborrkrona |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8400015D0 SE8400015D0 (sv) | 1984-01-03 |
SE8400015L true SE8400015L (sv) | 1985-07-04 |
SE454527B SE454527B (sv) | 1988-05-09 |
Family
ID=20354199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8400015A SE454527B (sv) | 1984-01-03 | 1984-01-03 | Tetningsanordning vid rullborrkrona |
Country Status (5)
Country | Link |
---|---|
US (1) | US4554985A (sv) |
JP (1) | JPS60156894A (sv) |
CA (1) | CA1237424A (sv) |
GB (1) | GB2152557B (sv) |
SE (1) | SE454527B (sv) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4899838A (en) * | 1988-11-29 | 1990-02-13 | Hughes Tool Company | Earth boring bit with convergent cutter bearing |
US5016719A (en) * | 1990-01-24 | 1991-05-21 | Western Rock Bit Company Limited | Rotary cone type rock bits |
US5129471A (en) * | 1991-05-31 | 1992-07-14 | Hughes Tool Company | Earth boring bit with protected seal means |
US5307887A (en) * | 1992-07-30 | 1994-05-03 | Baker Hughes Incorporated | Earth boring bit with improved thrust bearing |
US5402858A (en) * | 1994-03-11 | 1995-04-04 | Smith International, Inc. | O-ring seal for rock bit bearings |
US5655611A (en) | 1995-08-04 | 1997-08-12 | Baker Hughes Inc. | Earth-boring bit with improved bearing seal |
US6279671B1 (en) * | 1999-03-01 | 2001-08-28 | Amiya K. Panigrahi | Roller cone bit with improved seal gland design |
US6769500B2 (en) | 2001-08-31 | 2004-08-03 | Halliburton Energy Services, Inc. | Optimized earth boring seal means |
US7036613B2 (en) * | 2003-09-12 | 2006-05-02 | Reedhycalog, L.P. | Lip seal for roller cone drill bit |
DE102007032045B4 (de) * | 2007-07-10 | 2009-05-14 | Abb Ag | Dichtungsanordnung |
US7721827B2 (en) * | 2007-08-17 | 2010-05-25 | Varel International Ind., L.P. | Rock bit having a seal gland with a conical sealing surface |
WO2011008661A2 (en) * | 2009-07-13 | 2011-01-20 | Halliburton Energy Services, Inc. | Drill bit with extended life seal |
EP3463730A4 (en) * | 2016-06-01 | 2020-07-29 | William J. Endres | ROTARY CUTTING INSERT AND SUPPORT DEVICE |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2420104A (en) * | 1943-07-22 | 1947-05-06 | Maytag Co | Seal guard ring |
US3127942A (en) * | 1962-01-02 | 1964-04-07 | Smith Ind International Inc | Bearing closure for rotary rock bit |
GB1228965A (sv) * | 1968-07-05 | 1971-04-21 | ||
US3698728A (en) * | 1971-01-07 | 1972-10-17 | Mc Donnell Douglas Corp | Fluid sealing device |
US4372624A (en) * | 1981-06-04 | 1983-02-08 | Smith International, Inc. | Dynamic O-ring seal |
-
1984
- 1984-01-03 SE SE8400015A patent/SE454527B/sv not_active IP Right Cessation
- 1984-12-06 US US06/678,776 patent/US4554985A/en not_active Expired - Fee Related
- 1984-12-14 GB GB08431595A patent/GB2152557B/en not_active Expired
- 1984-12-27 JP JP59274203A patent/JPS60156894A/ja active Pending
-
1985
- 1985-01-02 CA CA000471299A patent/CA1237424A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE454527B (sv) | 1988-05-09 |
SE8400015D0 (sv) | 1984-01-03 |
US4554985A (en) | 1985-11-26 |
GB8431595D0 (en) | 1985-01-30 |
GB2152557A (en) | 1985-08-07 |
CA1237424A (en) | 1988-05-31 |
GB2152557B (en) | 1986-07-09 |
JPS60156894A (ja) | 1985-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8400015-7 Effective date: 19930810 Format of ref document f/p: F |