IT1084597B - Apparecchio compensatore della pressione del lubrificante per una punta di trivellazione per la perforazione del terreno. - Google Patents
Apparecchio compensatore della pressione del lubrificante per una punta di trivellazione per la perforazione del terreno.Info
- Publication number
- IT1084597B IT1084597B IT23647/77A IT2364777A IT1084597B IT 1084597 B IT1084597 B IT 1084597B IT 23647/77 A IT23647/77 A IT 23647/77A IT 2364777 A IT2364777 A IT 2364777A IT 1084597 B IT1084597 B IT 1084597B
- Authority
- IT
- Italy
- Prior art keywords
- drilling
- pressure compensator
- lubricant pressure
- point
- ground
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 2
- 239000000314 lubricant 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
- F16N9/00—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent
- F16N9/02—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent with reservoir on or in a rotary member
-
- 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
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 |
---|---|---|---|
US05/687,131 US4055225A (en) | 1976-05-17 | 1976-05-17 | Lubricant pressure compensator for an earth boring drill bit |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1084597B true IT1084597B (it) | 1985-05-25 |
Family
ID=24759189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23647/77A IT1084597B (it) | 1976-05-17 | 1977-05-19 | Apparecchio compensatore della pressione del lubrificante per una punta di trivellazione per la perforazione del terreno. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4055225A (it) |
BR (1) | BR7702345A (it) |
CA (1) | CA1056368A (it) |
FR (1) | FR2352151A1 (it) |
GB (1) | GB1531194A (it) |
IT (1) | IT1084597B (it) |
MX (1) | MX145019A (it) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4276946A (en) * | 1977-07-11 | 1981-07-07 | Hughes Tool Company | Biased lubricant compensator for an earth boring drill bit |
US4199856A (en) * | 1978-07-31 | 1980-04-29 | Dresser Industries, Inc. | Method of providing lubricant volume displacement system for a rotary rock bit |
US4335791A (en) * | 1981-04-06 | 1982-06-22 | Evans Robert F | Pressure compensator and lubricating reservoir with improved response to substantial pressure changes and adverse environment |
JPS5825036Y2 (ja) * | 1981-05-29 | 1983-05-28 | 塚本精機株式会社 | 回転掘削工具の圧力補償装置 |
US4591008A (en) * | 1984-08-22 | 1986-05-27 | Smith International, Inc. | Lube reservoir protection for rock bits |
US4593775A (en) * | 1985-04-18 | 1986-06-10 | Smith International, Inc. | Two-piece pressure relief valve |
US4711143A (en) * | 1986-07-25 | 1987-12-08 | Nl Industries, Inc. | Rock bit assembly method |
US4770068A (en) * | 1986-10-29 | 1988-09-13 | Diesel Recon Company | Apparatus for assembling rock bits |
US4727942A (en) * | 1986-11-05 | 1988-03-01 | Hughes Tool Company | Compensator for earth boring bits |
US4887675A (en) * | 1987-01-08 | 1989-12-19 | Hughes Tool Company | Earth boring bit with pin mounted compensator |
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 |
US6116357A (en) * | 1996-09-09 | 2000-09-12 | Smith International, Inc. | Rock drill bit with back-reaming protection |
US6619412B2 (en) | 1996-09-09 | 2003-09-16 | Smith International, Inc. | Protected lubricant reservoir for sealed earth boring drill bit |
US6213228B1 (en) | 1997-08-08 | 2001-04-10 | Dresser Industries Inc. | Roller cone drill bit with improved pressure compensation |
US6138778A (en) * | 1999-08-20 | 2000-10-31 | Camco International Inc. | Rock bit lubricant relief valve |
US8020637B2 (en) * | 2009-06-30 | 2011-09-20 | Schlumberger Technology Corporation | Downhole lubrication system |
US8347986B2 (en) * | 2009-07-23 | 2013-01-08 | Halliburton Energy Services, Inc. | Roller cone drill bit with lubricant pressure relief mechanism and method |
US9803427B1 (en) | 2014-03-27 | 2017-10-31 | U.S. Synthetic Corporation | Systems and methods for mounting a cutter in a drill bit |
PL131694U1 (pl) * | 2020-01-21 | 2024-05-13 | Narzędzia I Urządzenia Wiertnicze Glinik Spółka Z Ograniczoną Odpowiedzialnością | Kompensator ciśnienia dla świdra |
US11585158B2 (en) * | 2020-05-21 | 2023-02-21 | Caterpillar Inc. | Isolated lubrication system for drill bits |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3476195A (en) * | 1968-11-15 | 1969-11-04 | Hughes Tool Co | Lubricant relief valve for rock bits |
US3719241A (en) * | 1971-11-24 | 1973-03-06 | Dresser Ind | Free breathing lubrication system for sealed bearing rock bits |
US3721306A (en) * | 1971-11-24 | 1973-03-20 | Dresser Ind | Pressure equalizing system for rock bits |
AR207761A1 (es) * | 1974-05-03 | 1976-10-29 | Hughes Tool Co | Mejoras en herramientas horadadoras del suelo |
US3917028A (en) * | 1975-01-13 | 1975-11-04 | Smith International | Lubrication reservoir assembly |
-
1976
- 1976-05-17 US US05/687,131 patent/US4055225A/en not_active Expired - Lifetime
-
1977
- 1977-02-16 CA CA271,903A patent/CA1056368A/en not_active Expired
- 1977-03-29 FR FR7709271A patent/FR2352151A1/fr active Granted
- 1977-04-14 BR BR7702345A patent/BR7702345A/pt unknown
- 1977-04-19 GB GB16124/77A patent/GB1531194A/en not_active Expired
- 1977-05-02 MX MX168969A patent/MX145019A/es unknown
- 1977-05-19 IT IT23647/77A patent/IT1084597B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2352151B1 (it) | 1983-05-20 |
BR7702345A (pt) | 1978-01-10 |
US4055225A (en) | 1977-10-25 |
FR2352151A1 (fr) | 1977-12-16 |
MX145019A (es) | 1981-12-15 |
CA1056368A (en) | 1979-06-12 |
GB1531194A (en) | 1978-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1084597B (it) | Apparecchio compensatore della pressione del lubrificante per una punta di trivellazione per la perforazione del terreno. | |
IT1084322B (it) | Punta rotante da trivellazione. | |
NO773205L (no) | Oljebroenn-skillevaesker. | |
IT7819485A0 (it) | Condensatore, come pure procedimento per l'esecuzione di una misurazione di forze. | |
NL7711197A (nl) | Tunnelboormachine. | |
NL7700636A (nl) | Boorkroon. | |
FR2359826A1 (fr) | Nouvelles 1,2,4,5-tetrahydro-3h-2-benzazepine-3-ones | |
NL7700920A (nl) | Drukontlast-toestel. | |
IT7821754A0 (it) | Pressa con una corsa a vuoto prima della corsa di lavoro. | |
IT7829724A0 (it) | Condensatore elettrolitico dotato di una valvola di sfogo della pressione. | |
NL7704306A (nl) | Boorgereedschap. | |
NL7605599A (nl) | Hoge-druk pompkast. | |
NL7711900A (nl) | Boormachine. | |
NO782771L (no) | Hoeytrykks-stempelpumpe. | |
NL7704574A (nl) | Drukwals. | |
IT7826416A0 (it) | Dispositivo d'interruzione di tipo tampone a soffio di gas a doppia pressione. | |
NL7706448A (nl) | Drukenergie-accumulator. | |
NO139751C (no) | Lengdeinnstillbar borebom. | |
IT1082261B (it) | Macchina per la foratura di tubi | |
SE7612275L (sv) | Bergborranordning. | |
IT7823645A0 (it) | Punta di perforazione a grande diametro a due stadi. | |
NL7700562A (nl) | Hoge-drukpompen. | |
ES237299Y (es) | Una herramienta de perforacion. | |
SE429361B (sv) | Hydraulisk borrmaskin, specielllt bergborrmaskin | |
IT7830135A0 (it) | Accumulatore di pressione. |