BR7405554A - Dispositivo aperfeicoada para aliviar a pressao destinado a instrumentos de perfuracao do solo - Google Patents
Dispositivo aperfeicoada para aliviar a pressao destinado a instrumentos de perfuracao do soloInfo
- Publication number
- BR7405554A BR7405554A BR555474A BR555474A BR7405554A BR 7405554 A BR7405554 A BR 7405554A BR 555474 A BR555474 A BR 555474A BR 555474 A BR555474 A BR 555474A BR 7405554 A BR7405554 A BR 7405554A
- Authority
- BR
- Brazil
- Prior art keywords
- improved device
- relieve pressure
- soil drilling
- drilling instruments
- instruments
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 239000002689 soil Substances 0.000 title 1
Classifications
-
- 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
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
-
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7838—Plural
- Y10T137/7842—Diverse types
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 |
---|---|---|---|
US05/466,641 US3942596A (en) | 1974-05-03 | 1974-05-03 | Lubricant pressure relief valve for earth penetrating tools |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7405554A true BR7405554A (pt) | 1976-03-03 |
Family
ID=23852554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR555474A BR7405554A (pt) | 1974-05-03 | 1974-07-05 | Dispositivo aperfeicoada para aliviar a pressao destinado a instrumentos de perfuracao do solo |
Country Status (6)
Country | Link |
---|---|
US (1) | US3942596A (pt) |
AR (1) | AR207761A1 (pt) |
BR (1) | BR7405554A (pt) |
CA (1) | CA994751A (pt) |
GB (1) | GB1482716A (pt) |
IT (1) | IT1026598B (pt) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055225A (en) * | 1976-05-17 | 1977-10-25 | Hughes Tool Company | Lubricant pressure compensator for an earth boring drill bit |
US4236764A (en) * | 1977-10-28 | 1980-12-02 | Hughes Tool Company | Earth boring drill bit with snap ring cutter retention |
US4344658A (en) * | 1977-10-28 | 1982-08-17 | Hughes Tool Company | Earth boring drill bit with snap ring cutter retention |
US4249622A (en) * | 1979-06-11 | 1981-02-10 | Dresser Industries, Inc. | Floating seal for drill bits |
US4386667A (en) * | 1980-05-01 | 1983-06-07 | Hughes Tool Company | Plunger lubricant compensator for an earth boring drill bit |
US4642097A (en) * | 1985-03-25 | 1987-02-10 | Siposs George G | Left ventrical vacuum control and pressure relief valve |
US4942930A (en) * | 1989-02-28 | 1990-07-24 | Cummins Engine Company, Inc. | Lubrication system for an earth boring drill bit and methods for filling and retrofit installing thereof |
US5072795A (en) * | 1991-01-22 | 1991-12-17 | Camco International Inc. | Pressure compensator for drill bit lubrication system |
US5558172A (en) * | 1994-12-01 | 1996-09-24 | Briscoe Tool Company | Earth boring bit and lubricator compensation therefor |
US5490570A (en) * | 1994-12-01 | 1996-02-13 | Briscoe Tool Company | Earth boring bit and lubricator/compensator therefor |
AUPN894396A0 (en) * | 1996-03-26 | 1996-04-18 | Hanns, David Thomas | Sub-assembly for lubricating rock drill bit |
US6138778A (en) * | 1999-08-20 | 2000-10-31 | Camco International Inc. | Rock bit lubricant relief valve |
US7178385B2 (en) * | 2004-06-18 | 2007-02-20 | Cincinnati Test Systems, Inc. | Method and apparatus for detecting leaks |
US7975782B2 (en) * | 2006-08-18 | 2011-07-12 | Atlas Copco Secoroc Llc | Earth bit having a pressure relief valve |
US8347986B2 (en) * | 2009-07-23 | 2013-01-08 | Halliburton Energy Services, Inc. | Roller cone drill bit with lubricant pressure relief mechanism and method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA541231A (en) * | 1957-05-21 | W. James Ralph | Check valves | |
US1865231A (en) * | 1929-05-06 | 1932-06-28 | Russell E Buck | Tire valve stem |
US2088788A (en) * | 1935-03-27 | 1937-08-03 | Hage David | Valve, especially for pneumatic tires |
US2306012A (en) * | 1941-06-11 | 1942-12-22 | John Eley Jr | Check valve |
US2630326A (en) * | 1949-08-15 | 1953-03-03 | Grove Regulator Company | Valve construction |
US3298394A (en) * | 1963-03-29 | 1967-01-17 | William J Chorkey | Check valve |
US3363644A (en) * | 1963-11-04 | 1968-01-16 | Jerry P. Malec | Fluid check valve |
US3384113A (en) * | 1965-11-03 | 1968-05-21 | Gen Dynamics Corp | Relief valve |
US3459217A (en) * | 1966-03-21 | 1969-08-05 | Houdaille Industries Inc | Garter check valve |
GB1201027A (en) * | 1966-09-19 | 1970-08-05 | Bristol Siddeley Engines Ltd | Fluid-pressure relief valves |
US3476195A (en) * | 1968-11-15 | 1969-11-04 | Hughes Tool Co | Lubricant relief valve for rock bits |
-
1974
- 1974-01-01 AR AR25447974A patent/AR207761A1/es active
- 1974-05-03 US US05/466,641 patent/US3942596A/en not_active Expired - Lifetime
- 1974-06-26 CA CA203,481A patent/CA994751A/en not_active Expired
- 1974-07-05 BR BR555474A patent/BR7405554A/pt unknown
- 1974-10-22 GB GB4566374A patent/GB1482716A/en not_active Expired
- 1974-11-28 IT IT2993574A patent/IT1026598B/it active
Also Published As
Publication number | Publication date |
---|---|
US3942596A (en) | 1976-03-09 |
IT1026598B (it) | 1978-10-20 |
GB1482716A (en) | 1977-08-10 |
AR207761A1 (es) | 1976-10-29 |
CA994751A (en) | 1976-08-10 |
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