JPS5536793B2 - - Google Patents
Info
- Publication number
- JPS5536793B2 JPS5536793B2 JP7238773A JP7238773A JPS5536793B2 JP S5536793 B2 JPS5536793 B2 JP S5536793B2 JP 7238773 A JP7238773 A JP 7238773A JP 7238773 A JP7238773 A JP 7238773A JP S5536793 B2 JPS5536793 B2 JP S5536793B2
- Authority
- JP
- Japan
- 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
- E21B10/25—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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Sealing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27735172A | 1972-08-02 | 1972-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4953501A JPS4953501A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-24 |
| JPS5536793B2 true JPS5536793B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-09-24 |
Family
ID=23060488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7238773A Expired JPS5536793B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-02 | 1973-06-28 |
Country Status (10)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6197008U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-11-30 | 1986-06-21 |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847234A (en) * | 1972-06-01 | 1974-11-12 | Reed Tool Co | Pressure relief device for drill bit lubrication system |
| US3917028A (en) * | 1975-01-13 | 1975-11-04 | Smith International | Lubrication reservoir assembly |
| US4037673A (en) * | 1976-05-07 | 1977-07-26 | Reed Tool Company | Roller cutter drill bit |
| US4061376A (en) * | 1976-06-14 | 1977-12-06 | Smith International Inc. | Rock bit bearing structure |
| DE2751818C2 (de) * | 1976-11-24 | 1982-08-12 | Eduardo México Barnetche Gonzalez | Drehbohrmeißel zum Gesteinsbohren |
| DE2823698C2 (de) * | 1978-05-31 | 1981-09-17 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Rollenmeißel mit einem Einfülloch für Lagerrollen |
| US4279450A (en) * | 1979-10-04 | 1981-07-21 | Dresser Industries, Inc. | Rotary rock bit fluid center seal |
| US4466622A (en) * | 1980-07-24 | 1984-08-21 | Reed Rock Bit Company | Compound dynamic seal for rolling cutter drill bit |
| US4306727A (en) * | 1980-07-24 | 1981-12-22 | Reed Rock Bit Company | Dynamic seal for rolling cutter drill bit |
| JPS58149489U (ja) * | 1982-03-31 | 1983-10-07 | 石川島播磨重工業株式会社 | タ−ボドリルの軸封装置 |
| US4519614A (en) * | 1984-04-09 | 1985-05-28 | Rock Bit Industries U.S.A., Inc. | Generally cylindrical rotary drill face seal having improved resistance to radial distortion |
| US4619534A (en) * | 1984-09-12 | 1986-10-28 | Reed Tool Company | Roller cutter drill bit having a texturized seal member |
| US5129471A (en) * | 1991-05-31 | 1992-07-14 | Hughes Tool Company | Earth boring bit with protected seal means |
| USRE36452E (en) * | 1992-10-21 | 1999-12-21 | Smith International, Inc. | Composite seal for rotary cone rock bits |
| US5362073A (en) * | 1992-10-21 | 1994-11-08 | Smith International, Inc. | Composite seal for rotary cone rock bits |
| US5655611A (en) | 1995-08-04 | 1997-08-12 | Baker Hughes Inc. | Earth-boring bit with improved bearing seal |
| US5842701A (en) * | 1996-10-08 | 1998-12-01 | Smith International, Inc. | Dual functioning seal for rock bits |
| SE9703661D0 (sv) * | 1996-10-08 | 1997-10-08 | Smith International | Axeltätning för roterbar borrkrona samt med sådan axeltätning försedd borrkrona |
| US6305483B1 (en) | 1998-04-02 | 2001-10-23 | Smith International, Inc. | Multi-piece rotary cone drill bit seal |
| US6279671B1 (en) | 1999-03-01 | 2001-08-28 | Amiya K. Panigrahi | Roller cone bit with improved seal gland design |
| US6460635B1 (en) | 1999-10-25 | 2002-10-08 | Kalsi Engineering, Inc. | Load responsive hydrodynamic bearing |
| US6598690B2 (en) | 2001-08-03 | 2003-07-29 | Smith International, Inc. | Dual dynamic rotary seal |
| US6742608B2 (en) | 2002-10-04 | 2004-06-01 | Henry W. Murdoch | Rotary mine drilling bit for making blast holes |
| US7036613B2 (en) * | 2003-09-12 | 2006-05-02 | Reedhycalog, L.P. | Lip seal for roller cone drill bit |
| US20060065445A1 (en) * | 2004-09-28 | 2006-03-30 | Smith International, Inc. | Rock-bit seals with asymmetric contact profiles |
| US20060171616A1 (en) * | 2005-02-03 | 2006-08-03 | Kalsi Engineering, Inc. | Hydrodynamic thrust bearing assembly |
| US7721827B2 (en) * | 2007-08-17 | 2010-05-25 | Varel International Ind., L.P. | Rock bit having a seal gland with a conical sealing surface |
| US7832505B2 (en) * | 2007-11-01 | 2010-11-16 | Varel International Ind., L.P. | Rock bit with a thermal insulating seal ring positioned in the seal gland |
| WO2011008661A2 (en) | 2009-07-13 | 2011-01-20 | Halliburton Energy Services, Inc. | Drill bit with extended life seal |
| UA95153C2 (en) | 2009-12-25 | 2011-07-11 | Анатолий Иванович Степанюк | Ring seal |
| US8967301B2 (en) | 2010-02-03 | 2015-03-03 | Baker Hughes Incorporated | Composite metallic elastomeric sealing components for roller cone drill bits |
| WO2012112333A2 (en) | 2011-02-18 | 2012-08-23 | National Oilwell Varco, L.P. | Drill bit seal and method of using same |
| JP6547196B2 (ja) * | 2017-08-25 | 2019-07-24 | エポコラム機工株式会社 | 掘削刃体 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB456570A (en) * | 1935-06-25 | 1936-11-11 | Clarence Edward Reed | An improved roller cutter and bearing assembly for earth boring drills |
| US2180795A (en) * | 1937-10-02 | 1939-11-21 | Niels A Christensen | Packing |
| US2395364A (en) * | 1944-03-03 | 1946-02-19 | Gaylord Container Corp | Container |
| US2814465A (en) * | 1947-09-26 | 1957-11-26 | A D Appleby | Drill bits |
| US2676790A (en) * | 1948-11-10 | 1954-04-27 | Turner Bits Inc | Rock bit |
| US3047344A (en) * | 1959-04-07 | 1962-07-31 | Neyrpic Ets | Drilling tools for turbine drills |
| US3127942A (en) * | 1962-01-02 | 1964-04-07 | Smith Ind International Inc | Bearing closure for rotary rock bit |
| US3397928A (en) * | 1965-11-08 | 1968-08-20 | Edward M. Galle | Seal means for drill bit bearings |
| US3467448A (en) * | 1965-11-24 | 1969-09-16 | Hughes Tool Co | Drill bit bearing seal assembly including resiliently mounted rigid ring |
| US3656764A (en) * | 1970-08-31 | 1972-04-18 | William P Robinson | Drill bit seal assembly |
-
1972
- 1972-08-02 US US00277351A patent/US3765495A/en not_active Expired - Lifetime
-
1973
- 1973-04-17 CA CA168,963A patent/CA992066A/en not_active Expired
- 1973-04-18 AU AU54619/73A patent/AU5461973A/en not_active Expired
- 1973-04-19 GB GB1902373A patent/GB1389647A/en not_active Expired
- 1973-04-24 ZA ZA732761A patent/ZA732761B/xx unknown
- 1973-06-13 DE DE2330050A patent/DE2330050C2/de not_active Expired
- 1973-06-14 FR FR7321767A patent/FR2194876B1/fr not_active Expired
- 1973-06-21 NL NLAANVRAGE7308601,A patent/NL175662C/xx not_active IP Right Cessation
- 1973-06-22 IT IT68876/73A patent/IT986574B/it active
- 1973-06-28 JP JP7238773A patent/JPS5536793B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6197008U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-11-30 | 1986-06-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT986574B (it) | 1975-01-30 |
| NL175662C (nl) | 1984-12-03 |
| NL175662B (nl) | 1984-07-02 |
| FR2194876B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-04-10 |
| US3765495A (en) | 1973-10-16 |
| GB1389647A (en) | 1975-04-03 |
| DE2330050A1 (de) | 1974-02-14 |
| AU5461973A (en) | 1974-10-24 |
| DE2330050C2 (de) | 1983-09-08 |
| CA992066A (en) | 1976-06-29 |
| JPS4953501A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-24 |
| ZA732761B (en) | 1974-04-24 |
| FR2194876A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-01 |
| NL7308601A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-05 |