IT1138993B - Scalpello a rulli - Google Patents
Scalpello a rulliInfo
- Publication number
- IT1138993B IT1138993B IT20230/81A IT2023081A IT1138993B IT 1138993 B IT1138993 B IT 1138993B IT 20230/81 A IT20230/81 A IT 20230/81A IT 2023081 A IT2023081 A IT 2023081A IT 1138993 B IT1138993 B IT 1138993B
- Authority
- IT
- Italy
- Prior art keywords
- roller chisel
- chisel
- roller
- Prior art date
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
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- 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
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/50—Other types of ball or roller bearings
- F16C19/505—Other types of ball or roller bearings with the diameter of the rolling elements of one row differing from the diameter of those of another row
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- 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)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Rolling Contact Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19808007104U DE8007104U1 (de) | 1980-03-15 | 1980-03-15 | Rollenmeissel mit kegeligen schneidrollen |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8120230A0 IT8120230A0 (it) | 1981-03-09 |
IT1138993B true IT1138993B (it) | 1986-09-17 |
Family
ID=6713796
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8121030U IT8121030V0 (it) | 1980-03-15 | 1981-03-09 | Scalpello a rulli. |
IT20230/81A IT1138993B (it) | 1980-03-15 | 1981-03-09 | Scalpello a rulli |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8121030U IT8121030V0 (it) | 1980-03-15 | 1981-03-09 | Scalpello a rulli. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4367904A (it) |
AU (1) | AU540858B2 (it) |
BR (1) | BR8101502A (it) |
CA (1) | CA1145325A (it) |
DE (1) | DE8007104U1 (it) |
FR (1) | FR2478235A1 (it) |
GB (1) | GB2071739B (it) |
IE (1) | IE50991B1 (it) |
IT (2) | IT8121030V0 (it) |
MX (1) | MX152080A (it) |
NL (1) | NL8101044A (it) |
PL (1) | PL127846B1 (it) |
SE (1) | SE8101526L (it) |
ZA (1) | ZA81841B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5865985A (ja) * | 1981-10-12 | 1983-04-19 | Sanden Corp | 流体装置 |
US4722404A (en) * | 1987-01-28 | 1988-02-02 | Varel Manufacturing Company | Drill bit bearing seal |
US4793719A (en) * | 1987-11-18 | 1988-12-27 | Smith International, Inc. | Precision roller bearing rock bits |
EP0335497B1 (en) * | 1988-03-31 | 1993-04-14 | Smith International, Inc. | Metal-to-metal face seal for rock bits |
SE8801233L (sv) * | 1988-04-05 | 1989-10-06 | Sandvik Ab | Rullborrkrona |
US5137097A (en) * | 1990-10-30 | 1992-08-11 | Modular Engineering | Modular drill bit |
US5360076A (en) * | 1992-04-03 | 1994-11-01 | Hughes Tool Company | Dual metal face seal with single recessed energizer |
US7117961B2 (en) * | 2003-07-31 | 2006-10-10 | Smith International, Inc. | Dynamic seal with soft interface |
US7188691B2 (en) * | 2004-06-15 | 2007-03-13 | Smith International, Inc. | Metal seal with impact-absorbing ring |
US7347290B2 (en) * | 2004-06-15 | 2008-03-25 | Smith International, Inc. | Multi-part energizer for mechanical seal assembly |
US7461708B2 (en) * | 2004-08-16 | 2008-12-09 | Smith International, Inc. | Elastomeric seal assembly having auxiliary annular seal components |
US20060065445A1 (en) * | 2004-09-28 | 2006-03-30 | Smith International, Inc. | Rock-bit seals with asymmetric contact profiles |
US10519720B2 (en) | 2016-02-18 | 2019-12-31 | Baker Hughes, A Ge Company, Llc | Bearings for downhole tools, downhole tools incorporating such bearings, and related methods |
US10119335B2 (en) * | 2016-02-18 | 2018-11-06 | Baker Hughes Incorporated | Bearings for downhole tools, downhole tools incorporating such bearings, and related methods |
CN116507788A (zh) * | 2020-08-27 | 2023-07-28 | 斯伦贝谢技术有限公司 | 刀片盖 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1905079A (en) * | 1931-11-21 | 1933-04-25 | Hughes Tool Co | Rolle cutter retaining device |
GB456570A (en) * | 1935-06-25 | 1936-11-11 | Clarence Edward Reed | An improved roller cutter and bearing assembly for earth boring drills |
US2111732A (en) * | 1936-04-23 | 1938-03-22 | Chicago Pneumatic Tool Co | Cutter and spindle assembly |
US2194675A (en) * | 1937-04-05 | 1940-03-26 | David C Vance | Drill bit |
US2292036A (en) * | 1940-06-28 | 1942-08-04 | Chicago Pneumatic Tool Co | Bearing for drill bits |
US2293603A (en) * | 1941-03-03 | 1942-08-18 | Reed Roller Bit Co | Roller bit |
US3389760A (en) * | 1966-09-01 | 1968-06-25 | Hughes Tool Co | Rolling cutters for rock formations mounted on simple beam bearings |
US3480341A (en) * | 1967-10-16 | 1969-11-25 | Murphy Ind Inc G W | Friction bearing |
DE2841971A1 (de) * | 1978-09-27 | 1980-04-10 | Sandvik Gmbh | Rollenmeissel mit schneidrollen |
PL121979B1 (en) * | 1978-05-31 | 1982-06-30 | Sandvik Ab | Roller auger with cutting rollers |
-
1980
- 1980-03-15 DE DE19808007104U patent/DE8007104U1/de not_active Expired
-
1981
- 1981-02-09 ZA ZA00810841A patent/ZA81841B/xx unknown
- 1981-02-27 PL PL1981229913A patent/PL127846B1/pl unknown
- 1981-03-04 NL NL8101044A patent/NL8101044A/nl not_active Application Discontinuation
- 1981-03-05 US US06/240,993 patent/US4367904A/en not_active Expired - Fee Related
- 1981-03-05 GB GB8106999A patent/GB2071739B/en not_active Expired
- 1981-03-09 IT IT8121030U patent/IT8121030V0/it unknown
- 1981-03-09 IT IT20230/81A patent/IT1138993B/it active
- 1981-03-10 AU AU68225/81A patent/AU540858B2/en not_active Ceased
- 1981-03-10 FR FR8104783A patent/FR2478235A1/fr active Pending
- 1981-03-10 SE SE8101526A patent/SE8101526L/ not_active Application Discontinuation
- 1981-03-13 BR BR8101502A patent/BR8101502A/pt unknown
- 1981-03-13 CA CA000372947A patent/CA1145325A/en not_active Expired
- 1981-03-13 MX MX186374A patent/MX152080A/es unknown
- 1981-03-13 IE IE551/81A patent/IE50991B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT8121030V0 (it) | 1981-03-09 |
GB2071739B (en) | 1983-09-21 |
PL229913A1 (it) | 1981-11-13 |
DE8007104U1 (de) | 1980-06-12 |
AU540858B2 (en) | 1984-12-06 |
ZA81841B (en) | 1982-02-24 |
IT8120230A0 (it) | 1981-03-09 |
CA1145325A (en) | 1983-04-26 |
IE810551L (en) | 1981-09-15 |
BR8101502A (pt) | 1981-09-15 |
GB2071739A (en) | 1981-09-23 |
US4367904A (en) | 1983-01-11 |
AU6822581A (en) | 1981-09-24 |
SE8101526L (sv) | 1981-09-16 |
NL8101044A (nl) | 1981-10-01 |
FR2478235A1 (fr) | 1981-09-18 |
PL127846B1 (en) | 1983-11-30 |
MX152080A (es) | 1985-05-28 |
IE50991B1 (en) | 1986-09-03 |
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