SE415500B - Bergborrkrona - Google Patents
BergborrkronaInfo
- Publication number
- SE415500B SE415500B SE7601615A SE7601615A SE415500B SE 415500 B SE415500 B SE 415500B SE 7601615 A SE7601615 A SE 7601615A SE 7601615 A SE7601615 A SE 7601615A SE 415500 B SE415500 B SE 415500B
- Authority
- SE
- Sweden
- Prior art keywords
- bearing arrangement
- bit body
- drill bit
- rock drill
- bit
- Prior art date
Links
- 239000011435 rock Substances 0.000 title abstract 3
- 238000005096 rolling process Methods 0.000 abstract 2
- 238000005553 drilling Methods 0.000 abstract 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
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/726—Sealings with means to vent the interior of the bearing
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
-
- 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
- F16C19/383—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- 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)
- 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 |
---|---|---|---|
NLAANVRAGE7501815,A NL179154C (nl) | 1975-02-17 | 1975-02-17 | Rotary boorkop. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7601615L SE7601615L (sv) | 1976-08-18 |
SE415500B true SE415500B (sv) | 1980-10-06 |
Family
ID=19823188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7601615A SE415500B (sv) | 1975-02-17 | 1976-02-13 | Bergborrkrona |
Country Status (12)
Country | Link |
---|---|
US (1) | US4035039A (pt) |
JP (1) | JPS5838596B2 (pt) |
AU (1) | AU1070476A (pt) |
BR (1) | BR7600892A (pt) |
CA (1) | CA1054141A (pt) |
DE (1) | DE2606004C3 (pt) |
FR (1) | FR2300891A1 (pt) |
GB (1) | GB1531364A (pt) |
NL (1) | NL179154C (pt) |
NO (1) | NO760492L (pt) |
SE (1) | SE415500B (pt) |
ZA (1) | ZA76676B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL179409C (nl) | 1976-04-12 | 1986-09-01 | Skf Ind Trading & Dev | Boorbeitel voor gesteente. |
US4227772A (en) * | 1977-04-20 | 1980-10-14 | Amerace Corporation | Pavement marker |
DE2743825C2 (de) * | 1977-09-29 | 1986-01-30 | SKF GmbH, 8720 Schweinfurt | Rollenmeißel |
DE7826323U1 (de) * | 1978-09-05 | 1978-12-14 | Sandvik Gmbh, 4000 Duesseldorf | Rollenmeissel |
US4386663A (en) * | 1981-02-25 | 1983-06-07 | Hughes Tool Company | Cooled journal bearing |
US4738322A (en) * | 1984-12-21 | 1988-04-19 | Smith International Inc. | Polycrystalline diamond bearing system for a roller cone rock bit |
US5352045A (en) * | 1993-01-06 | 1994-10-04 | The Integrated Bearing Co. Ltd. | Means of mounting a revolving cutting element |
WO2005075610A1 (ja) * | 2004-02-09 | 2005-08-18 | Ntn Corporation | グリース、転がり軸受、等速ジョイントおよび転動部品 |
US7798254B2 (en) * | 2008-01-03 | 2010-09-21 | Atlas Copco Secoroc Llc | Earth bit with hub and thrust units |
DE102010034942A1 (de) * | 2010-08-20 | 2012-02-23 | Schaeffler Technologies Gmbh & Co. Kg | Lager, speziell zur Verwendung unter Wasser |
WO2018026756A1 (en) | 2016-08-02 | 2018-02-08 | Saint-Gobain Performance Plastics Corporation | Bearing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1053319A (fr) * | 1952-04-02 | 1954-02-02 | Materiel De Forage Soc De Fab | Dispositif de montage pour outils à molettes |
US3047344A (en) * | 1959-04-07 | 1962-07-31 | Neyrpic Ets | Drilling tools for turbine drills |
US3550972A (en) * | 1968-11-12 | 1970-12-29 | Lawrence Mfg Co | Rock bit assembly |
US3572853A (en) * | 1969-03-12 | 1971-03-30 | Lawrence Mfg Co | Rock bit mounting assembly |
-
1975
- 1975-02-17 NL NLAANVRAGE7501815,A patent/NL179154C/xx not_active IP Right Cessation
-
1976
- 1976-01-30 AU AU10704/76A patent/AU1070476A/en not_active Expired
- 1976-02-05 ZA ZA760676A patent/ZA76676B/xx unknown
- 1976-02-12 BR BR7600892A patent/BR7600892A/pt unknown
- 1976-02-13 SE SE7601615A patent/SE415500B/xx unknown
- 1976-02-13 FR FR7603992A patent/FR2300891A1/fr active Granted
- 1976-02-13 CA CA245,703A patent/CA1054141A/en not_active Expired
- 1976-02-13 US US05/657,889 patent/US4035039A/en not_active Expired - Lifetime
- 1976-02-14 DE DE2606004A patent/DE2606004C3/de not_active Expired
- 1976-02-16 GB GB5993/76A patent/GB1531364A/en not_active Expired
- 1976-02-16 JP JP51014996A patent/JPS5838596B2/ja not_active Expired
- 1976-02-16 NO NO760492A patent/NO760492L/no unknown
Also Published As
Publication number | Publication date |
---|---|
SE7601615L (sv) | 1976-08-18 |
JPS5838596B2 (ja) | 1983-08-24 |
BR7600892A (pt) | 1976-09-14 |
FR2300891B1 (pt) | 1982-11-12 |
NL7501815A (nl) | 1976-08-19 |
ZA76676B (en) | 1977-04-27 |
NO760492L (pt) | 1976-08-18 |
DE2606004A1 (de) | 1976-08-19 |
AU1070476A (en) | 1977-08-04 |
GB1531364A (en) | 1978-11-08 |
DE2606004C3 (de) | 1980-05-08 |
US4035039A (en) | 1977-07-12 |
NL179154B (nl) | 1986-02-17 |
FR2300891A1 (fr) | 1976-09-10 |
NL179154C (nl) | 1986-07-16 |
DE2606004B2 (de) | 1979-08-23 |
CA1054141A (en) | 1979-05-08 |
JPS51106602A (pt) | 1976-09-21 |
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