BR7903396A - Cinzel de roldanas com roldanas cortantes - Google Patents
Cinzel de roldanas com roldanas cortantesInfo
- Publication number
- BR7903396A BR7903396A BR7903396A BR7903396A BR7903396A BR 7903396 A BR7903396 A BR 7903396A BR 7903396 A BR7903396 A BR 7903396A BR 7903396 A BR7903396 A BR 7903396A BR 7903396 A BR7903396 A BR 7903396A
- Authority
- BR
- Brazil
- Prior art keywords
- pulley chain
- cutting pulleys
- pulleys
- cutting
- pulley
- Prior art date
Links
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
-
- 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
- F16C2352/00—Apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Earth Drilling (AREA)
- Gripping On Spindles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2823698A DE2823698C2 (de) | 1978-05-31 | 1978-05-31 | Rollenmeißel mit einem Einfülloch für Lagerrollen |
DE19782841971 DE2841971A1 (de) | 1978-09-27 | 1978-09-27 | Rollenmeissel mit schneidrollen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7903396A true BR7903396A (pt) | 1979-12-11 |
Family
ID=25774595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7903396A BR7903396A (pt) | 1978-05-31 | 1979-05-30 | Cinzel de roldanas com roldanas cortantes |
Country Status (10)
Country | Link |
---|---|
AU (1) | AU532730B2 (nl) |
BR (1) | BR7903396A (nl) |
FR (1) | FR2427460A1 (nl) |
GB (1) | GB2022170B (nl) |
IE (1) | IE48451B1 (nl) |
IT (1) | IT1166825B (nl) |
MX (1) | MX147386A (nl) |
NL (1) | NL7904233A (nl) |
PL (1) | PL121979B1 (nl) |
SE (1) | SE7904516L (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8007104U1 (de) * | 1980-03-15 | 1980-06-12 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Rollenmeissel mit kegeligen schneidrollen |
US4552233A (en) * | 1982-09-30 | 1985-11-12 | Warren A. Sturm | Rotary drill bit seal |
US6196339B1 (en) * | 1995-12-19 | 2001-03-06 | Smith International, Inc. | Dual-seal drill bit pressure communication system |
-
1979
- 1979-03-28 PL PL1979214440A patent/PL121979B1/pl unknown
- 1979-05-14 IT IT22644/79A patent/IT1166825B/it active
- 1979-05-17 GB GB7917301A patent/GB2022170B/en not_active Expired
- 1979-05-23 SE SE7904516A patent/SE7904516L/ not_active Application Discontinuation
- 1979-05-30 AU AU47601/79A patent/AU532730B2/en not_active Ceased
- 1979-05-30 NL NL7904233A patent/NL7904233A/nl not_active Application Discontinuation
- 1979-05-30 BR BR7903396A patent/BR7903396A/pt unknown
- 1979-05-30 FR FR7913881A patent/FR2427460A1/fr active Granted
- 1979-05-31 MX MX177887A patent/MX147386A/es unknown
- 1979-08-08 IE IE1353/79A patent/IE48451B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2427460B1 (nl) | 1983-12-09 |
IT1166825B (it) | 1987-05-06 |
GB2022170B (en) | 1982-06-09 |
MX147386A (es) | 1982-11-26 |
PL121979B1 (en) | 1982-06-30 |
NL7904233A (nl) | 1979-12-04 |
IE791353L (en) | 1979-11-30 |
AU4760179A (en) | 1979-12-06 |
PL214440A1 (nl) | 1980-03-24 |
AU532730B2 (en) | 1983-10-13 |
IT7922644A0 (it) | 1979-05-14 |
SE7904516L (sv) | 1979-12-01 |
GB2022170A (en) | 1979-12-12 |
IE48451B1 (en) | 1985-01-23 |
FR2427460A1 (fr) | 1979-12-28 |
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