SE8801233D0 - Roller bit - Google Patents
Roller bitInfo
- Publication number
- SE8801233D0 SE8801233D0 SE8801233A SE8801233A SE8801233D0 SE 8801233 D0 SE8801233 D0 SE 8801233D0 SE 8801233 A SE8801233 A SE 8801233A SE 8801233 A SE8801233 A SE 8801233A SE 8801233 D0 SE8801233 D0 SE 8801233D0
- Authority
- SE
- Sweden
- Prior art keywords
- insert
- roller bit
- pins
- sealing
- cone
- Prior art date
Links
- 238000007789 sealing Methods 0.000 abstract 3
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
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8801233A SE8801233L (sv) | 1988-04-05 | 1988-04-05 | Rullborrkrona |
JP1084141A JPH0224475A (ja) | 1988-04-05 | 1989-04-04 | ロータビット |
GB8907687A GB2216930A (en) | 1988-04-05 | 1989-04-05 | Roller bit |
US07/549,250 US5005989A (en) | 1988-04-05 | 1990-07-06 | Roller bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8801233A SE8801233L (sv) | 1988-04-05 | 1988-04-05 | Rullborrkrona |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8801233D0 true SE8801233D0 (sv) | 1988-04-05 |
SE8801233L SE8801233L (sv) | 1989-10-06 |
Family
ID=20371906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8801233A SE8801233L (sv) | 1988-04-05 | 1988-04-05 | Rullborrkrona |
Country Status (4)
Country | Link |
---|---|
US (1) | US5005989A (sv) |
JP (1) | JPH0224475A (sv) |
GB (1) | GB2216930A (sv) |
SE (1) | SE8801233L (sv) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251914A (en) * | 1987-05-28 | 1993-10-12 | Tatum David M | Sealing assembly for relatively movable members |
US4934467A (en) * | 1988-12-02 | 1990-06-19 | Dresser Industries, Inc. | Drill bit wear resistant surface for elastomeric seal |
US5485890A (en) * | 1994-06-14 | 1996-01-23 | Smith International, Inc. | Rock bit |
US5570750A (en) * | 1995-04-20 | 1996-11-05 | Dresser Industries, Inc. | Rotary drill bit with improved shirttail and seal protection |
SE511100C2 (sv) * | 1995-09-07 | 1999-08-02 | Volvo Wheel Loaders Ab | Axel och förfarande för dess tillverkning |
US5740871A (en) * | 1996-05-01 | 1998-04-21 | Dresser Industries, Inc. | Flow diverter ring for a rotary drill bit and method |
US6026917A (en) * | 1997-12-18 | 2000-02-22 | Baker Hughes Incorporated | Earth-boring bit with improved bearing seal |
US6837317B2 (en) * | 2001-11-16 | 2005-01-04 | Varel International, Ltd. | Bearing seal |
CN100506579C (zh) * | 2003-05-28 | 2009-07-01 | 霍兰集团公司 | 拖车挂接组件 |
US7431321B2 (en) * | 2003-05-28 | 2008-10-07 | Saf-Holland, Inc. | Trailer hitch assembly |
US7117961B2 (en) | 2003-07-31 | 2006-10-10 | Smith International, Inc. | Dynamic seal with soft interface |
US7036613B2 (en) * | 2003-09-12 | 2006-05-02 | Reedhycalog, L.P. | Lip seal for roller cone drill bit |
US7347290B2 (en) | 2004-06-15 | 2008-03-25 | Smith International, Inc. | Multi-part energizer for mechanical seal assembly |
US7188691B2 (en) * | 2004-06-15 | 2007-03-13 | Smith International, Inc. | Metal seal with impact-absorbing ring |
US7461708B2 (en) * | 2004-08-16 | 2008-12-09 | Smith International, Inc. | Elastomeric seal assembly having auxiliary annular seal components |
US20060065445A1 (en) * | 2004-09-28 | 2006-03-30 | Smith International, Inc. | Rock-bit seals with asymmetric contact profiles |
US7392862B2 (en) * | 2006-01-06 | 2008-07-01 | Baker Hughes Incorporated | Seal insert ring for roller cone bits |
US7992657B2 (en) | 2006-08-18 | 2011-08-09 | Atlas Copco Secoroc Llc | Earth bit having a wear ring |
US7387177B2 (en) * | 2006-10-18 | 2008-06-17 | Baker Hughes Incorporated | Bearing insert sleeve for roller cone bit |
US8353369B2 (en) * | 2008-08-06 | 2013-01-15 | Atlas Copco Secoroc, LLC | Percussion assisted rotary earth bit and method of operating the same |
US8844656B2 (en) * | 2009-03-16 | 2014-09-30 | Atlas Copco Secoroc Llc | Seal assembly for a rotary earth bit |
US8752655B2 (en) | 2011-07-18 | 2014-06-17 | Varel International Ind., L.P. | Rock bit having a labyrinth seal/bearing protection structure |
WO2015079307A2 (en) | 2013-11-26 | 2015-06-04 | Tercel Ip Ltd | Seal assembly and a roller cone drill bit comprising such a seal assembly |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1260080A (fr) * | 1960-03-22 | 1961-05-05 | Materiel De Forage Soc De Fab | Trépan à molettes étanche |
US4168868A (en) * | 1978-07-17 | 1979-09-25 | Dresser Industries, Inc. | Sealing system for an earth boring cutter |
US4290497A (en) * | 1979-07-24 | 1981-09-22 | Eduardo Barnetche | Automatic wear compensating seal device |
US4303137A (en) * | 1979-09-21 | 1981-12-01 | Smith International, Inc. | Method for making a cone for a rock bit and product |
US4277110A (en) * | 1979-09-24 | 1981-07-07 | Dresser Industries, Inc. | Earth boring bit with eccentric seal groove |
US4279450A (en) * | 1979-10-04 | 1981-07-21 | Dresser Industries, Inc. | Rotary rock bit fluid center seal |
DE8007104U1 (de) * | 1980-03-15 | 1980-06-12 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Rollenmeissel mit kegeligen schneidrollen |
US4452539A (en) * | 1981-10-26 | 1984-06-05 | Varel Manufacturing Company | Bearing seal for rotating cutter drill bit |
US4516641A (en) * | 1983-10-17 | 1985-05-14 | Hughes Tool Company-Usa | Earth boring bit with pressure compensating rigid face seal |
US4613004A (en) * | 1985-11-06 | 1986-09-23 | Hughes Tool Company - Usa | Earth boring bit with labyrinth seal protector |
US4722404A (en) * | 1987-01-28 | 1988-02-02 | Varel Manufacturing Company | Drill bit bearing seal |
US4793719A (en) * | 1987-11-18 | 1988-12-27 | Smith International, Inc. | Precision roller bearing rock bits |
US4824123A (en) * | 1988-03-31 | 1989-04-25 | Smith International, Inc. | Mechanical face seal for rock bits |
US4822057A (en) * | 1988-03-31 | 1989-04-18 | Smith International, Inc. | Mechanical face seal for rock bits |
-
1988
- 1988-04-05 SE SE8801233A patent/SE8801233L/sv not_active Application Discontinuation
-
1989
- 1989-04-04 JP JP1084141A patent/JPH0224475A/ja active Pending
- 1989-04-05 GB GB8907687A patent/GB2216930A/en not_active Withdrawn
-
1990
- 1990-07-06 US US07/549,250 patent/US5005989A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2216930A (en) | 1989-10-18 |
SE8801233L (sv) | 1989-10-06 |
GB8907687D0 (en) | 1989-05-17 |
US5005989A (en) | 1991-04-09 |
JPH0224475A (ja) | 1990-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8801233-1 Effective date: 19921217 |