IT1284355B1 - Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato. - Google Patents
Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato.Info
- Publication number
- IT1284355B1 IT1284355B1 IT96TO000058A ITTO960058A IT1284355B1 IT 1284355 B1 IT1284355 B1 IT 1284355B1 IT 96TO000058 A IT96TO000058 A IT 96TO000058A IT TO960058 A ITTO960058 A IT TO960058A IT 1284355 B1 IT1284355 B1 IT 1284355B1
- Authority
- IT
- Italy
- Prior art keywords
- chisel
- drilling
- ground
- improved support
- sealing group
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/91—O-ring seal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/935—Seal made of a particular material
- Y10S277/944—Elastomer or plastic
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/381,692 US5524718A (en) | 1995-01-31 | 1995-01-31 | Earth-boring bit with improved bearing seal assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO960058A0 ITTO960058A0 (it) | 1996-01-30 |
ITTO960058A1 ITTO960058A1 (it) | 1997-07-30 |
IT1284355B1 true IT1284355B1 (it) | 1998-05-18 |
Family
ID=23506005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96TO000058A IT1284355B1 (it) | 1995-01-31 | 1996-01-30 | Scalpello per la perforazione del terreno con gruppo di tenuta del sopporto perfezionato. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5524718A (it) |
GB (1) | GB2297555B (it) |
IT (1) | IT1284355B1 (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6196339B1 (en) * | 1995-12-19 | 2001-03-06 | Smith International, Inc. | Dual-seal drill bit pressure communication system |
US5842701A (en) * | 1996-10-08 | 1998-12-01 | Smith International, Inc. | Dual functioning seal for rock bits |
US6279671B1 (en) * | 1999-03-01 | 2001-08-28 | Amiya K. Panigrahi | Roller cone bit with improved seal gland design |
US6789634B1 (en) * | 2003-05-28 | 2004-09-14 | Smith International, Inc | Self-lubricating elastomeric seal with polarized graphite |
US7036613B2 (en) * | 2003-09-12 | 2006-05-02 | Reedhycalog, L.P. | Lip seal for roller cone drill bit |
US7013998B2 (en) | 2003-11-20 | 2006-03-21 | Halliburton Energy Services, Inc. | Drill bit having an improved seal and lubrication method using same |
US20050109502A1 (en) * | 2003-11-20 | 2005-05-26 | Jeremy Buc Slay | Downhole seal element formed from a nanocomposite material |
US20050161212A1 (en) * | 2004-01-23 | 2005-07-28 | Schlumberger Technology Corporation | System and Method for Utilizing Nano-Scale Filler in Downhole Applications |
US7188691B2 (en) * | 2004-06-15 | 2007-03-13 | Smith International, Inc. | Metal seal with impact-absorbing ring |
US7681889B2 (en) * | 2004-07-21 | 2010-03-23 | Eagle Industry Co., Ltd. | Seal Device |
US20060065445A1 (en) * | 2004-09-28 | 2006-03-30 | Smith International, Inc. | Rock-bit seals with asymmetric contact profiles |
US20080257610A1 (en) * | 2007-04-17 | 2008-10-23 | Baker Hughes Incorporated | Elastomer Material for High Temperature Roller Cone Bits |
US7721827B2 (en) * | 2007-08-17 | 2010-05-25 | Varel International Ind., L.P. | Rock bit having a seal gland with a conical sealing surface |
US20090107731A1 (en) * | 2007-10-30 | 2009-04-30 | George Fedorovich | Drillbit seal |
US20090152009A1 (en) * | 2007-12-18 | 2009-06-18 | Halliburton Energy Services, Inc., A Delaware Corporation | Nano particle reinforced polymer element for stator and rotor assembly |
WO2009131970A1 (en) * | 2008-04-21 | 2009-10-29 | Baker Hughes Incorporated | Fiber reinforced pressure compensator diaphragm |
US8967301B2 (en) | 2010-02-03 | 2015-03-03 | Baker Hughes Incorporated | Composite metallic elastomeric sealing components for roller cone drill bits |
US10689912B1 (en) | 2019-12-12 | 2020-06-23 | PDB Tools, Inc. | Sealed bearing rock bit with a low profile seal |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3075781A (en) * | 1958-02-10 | 1963-01-29 | Hughes Tool Co | Bearing seal |
FR1407776A (fr) * | 1964-06-24 | 1965-08-06 | Aquitaine Petrole | Perfectionnements apportés aux trépans à molettes utilisés pour le forage |
US3397928A (en) * | 1965-11-08 | 1968-08-20 | Edward M. Galle | Seal means for drill bit bearings |
US3862762A (en) * | 1973-02-26 | 1975-01-28 | Parker Hannifin Corp | Seal for drill bit bearings |
US4466621A (en) * | 1982-11-29 | 1984-08-21 | Rock Bit Industries U.S.A., Inc. | Rotary drill bit multiple seal assembly |
US4588309A (en) * | 1983-06-20 | 1986-05-13 | Smith International, Inc. | Resilient bearing seal with ability to compensate for wear and compression set |
JPH0742837B2 (ja) * | 1986-06-13 | 1995-05-10 | 塚本精機株式会社 | ドリルビツトのカツタ−用回転軸封装置 |
US4851068A (en) * | 1986-06-25 | 1989-07-25 | Smith International, Inc. | Method of making a sealing element |
US4757110A (en) * | 1987-03-05 | 1988-07-12 | Polysar Limited | Thermoplastic rubber compositions |
US4849295A (en) * | 1987-12-11 | 1989-07-18 | Eagle-Picher Industries, Inc. | High temperature metal rubber gasket |
US4822057A (en) * | 1988-03-31 | 1989-04-18 | Smith International, Inc. | Mechanical face seal for rock bits |
US4824123A (en) * | 1988-03-31 | 1989-04-25 | Smith International, Inc. | Mechanical face seal for rock bits |
US4978409A (en) * | 1988-07-06 | 1990-12-18 | Bando Chemical Industries, Ltd. | Method of bonding fibers to hydrogenated nitrile rubber |
US5323863A (en) * | 1990-07-11 | 1994-06-28 | Smith International, Inc. | O-ring seal for rock bit bearings |
DE69127325T2 (de) * | 1990-07-11 | 1998-04-02 | Smith International | O-Ring-Dichtung für die Lager von Gesteinsbohrmeisseln |
US5152353A (en) * | 1990-12-21 | 1992-10-06 | Smith International, Inc. | High speed rock bit |
US5129471A (en) * | 1991-05-31 | 1992-07-14 | Hughes Tool Company | Earth boring bit with protected seal means |
US5456327A (en) * | 1994-03-08 | 1995-10-10 | Smith International, Inc. | O-ring seal for rock bit bearings |
US5402858A (en) * | 1994-03-11 | 1995-04-04 | Smith International, Inc. | O-ring seal for rock bit bearings |
-
1995
- 1995-01-31 US US08/381,692 patent/US5524718A/en not_active Expired - Lifetime
-
1996
- 1996-01-24 GB GB9601355A patent/GB2297555B/en not_active Expired - Fee Related
- 1996-01-30 IT IT96TO000058A patent/IT1284355B1/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
GB2297555B (en) | 1998-04-01 |
ITTO960058A0 (it) | 1996-01-30 |
GB2297555A (en) | 1996-08-07 |
US5524718A (en) | 1996-06-11 |
GB9601355D0 (en) | 1996-03-27 |
ITTO960058A1 (it) | 1997-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990128 |