IT7829562A0 - Scalpello rotante per roccia a metodo per la sua fabbricazione. - Google Patents
Scalpello rotante per roccia a metodo per la sua fabbricazione.Info
- Publication number
- IT7829562A0 IT7829562A0 IT7829562A IT2956278A IT7829562A0 IT 7829562 A0 IT7829562 A0 IT 7829562A0 IT 7829562 A IT7829562 A IT 7829562A IT 2956278 A IT2956278 A IT 2956278A IT 7829562 A0 IT7829562 A0 IT 7829562A0
- Authority
- IT
- Italy
- Prior art keywords
- rock
- manufacture
- rotary chisel
- chisel
- rotary
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method 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
-
- 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
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/26—Systems consisting of a plurality of sliding-contact bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2352/00—Apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (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)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/851,475 US4176724A (en) | 1977-11-14 | 1977-11-14 | Rotary rock bit and method of making same |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7829562A0 true IT7829562A0 (it) | 1978-11-08 |
IT1101029B IT1101029B (it) | 1985-09-28 |
Family
ID=25310858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29562/78A IT1101029B (it) | 1977-11-14 | 1978-11-08 | Scalpello rotante per roccia a metodo per la sua fabbricazione |
Country Status (3)
Country | Link |
---|---|
US (1) | US4176724A (it) |
IT (1) | IT1101029B (it) |
MX (1) | MX150264A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4279450A (en) * | 1979-10-04 | 1981-07-21 | Dresser Industries, Inc. | Rotary rock bit fluid center seal |
SE8002813L (sv) * | 1980-04-15 | 1981-10-16 | Sandvik Ab | Lageranordning vid roterande borrkronor |
US4560175A (en) * | 1984-07-05 | 1985-12-24 | Smith International, Inc. | Hermetically welded belleville seal for rocks bits |
US4738322A (en) * | 1984-12-21 | 1988-04-19 | Smith International Inc. | Polycrystalline diamond bearing system for a roller cone rock bit |
US4802539A (en) * | 1984-12-21 | 1989-02-07 | Smith International, Inc. | Polycrystalline diamond bearing system for a roller cone rock bit |
US9574405B2 (en) | 2005-09-21 | 2017-02-21 | Smith International, Inc. | Hybrid disc bit with optimized PDC cutter placement |
WO2009012196A2 (en) * | 2007-07-13 | 2009-01-22 | Baker Hughes Incorporated | Roller cone bit bearing, and bearing materials |
US8672060B2 (en) * | 2009-07-31 | 2014-03-18 | Smith International, Inc. | High shear roller cone drill bits |
US8955413B2 (en) * | 2009-07-31 | 2015-02-17 | Smith International, Inc. | Manufacturing methods for high shear roller cone bits |
US8201646B2 (en) | 2009-11-20 | 2012-06-19 | Edward Vezirian | Method and apparatus for a true geometry, durable rotating drill bit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1325086A (en) * | 1919-12-16 | Boxaby | ||
US1641261A (en) * | 1927-09-06 | Harold wkslock fletcher | ||
US1647753A (en) * | 1926-04-15 | 1927-11-01 | Hughes Tool Co | Drill cutter |
US1694869A (en) * | 1926-08-14 | 1928-12-11 | Hughes Tool Co | Cutter cone for well drills |
BE355760A (it) * | 1928-02-27 | |||
US1858980A (en) * | 1931-08-01 | 1932-05-17 | Reed Roller Bit Co | Roller bit |
FR1260582A (fr) * | 1959-01-09 | 1961-05-12 | Etabllissements Neyrpic | Perfectionnements aux outils de forage en particulier pour l'utilisation en forage à la turbine |
US3907191A (en) * | 1973-10-24 | 1975-09-23 | Dresser Ind | Method of constructing a rotary rock bit |
US3917361A (en) * | 1974-01-30 | 1975-11-04 | Reed Tool Co | Friction bearing |
US3971600A (en) * | 1975-07-28 | 1976-07-27 | Reed Tool Company | Drill bit |
US4043411A (en) * | 1976-11-12 | 1977-08-23 | Dresser Industries, Inc. | Rotary rock bit with the bearing pin fused to the rock bit arm |
US4098150A (en) * | 1977-01-24 | 1978-07-04 | Dresser Industries, Inc. | Cone locking system for a rotary rock bit |
US4127043A (en) * | 1977-06-17 | 1978-11-28 | Smith International, Inc. | Rock bit with welded bearing pins |
-
1977
- 1977-11-14 US US05/851,475 patent/US4176724A/en not_active Expired - Lifetime
-
1978
- 1978-11-08 IT IT29562/78A patent/IT1101029B/it active
- 1978-11-14 MX MX175601A patent/MX150264A/es unknown
Also Published As
Publication number | Publication date |
---|---|
IT1101029B (it) | 1985-09-28 |
MX150264A (es) | 1984-04-06 |
US4176724A (en) | 1979-12-04 |
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