BR7804216A - Processo de construcao de um trepano rotativo e trepano - Google Patents
Processo de construcao de um trepano rotativo e trepanoInfo
- Publication number
- BR7804216A BR7804216A BR7804216A BR7804216A BR7804216A BR 7804216 A BR7804216 A BR 7804216A BR 7804216 A BR7804216 A BR 7804216A BR 7804216 A BR7804216 A BR 7804216A BR 7804216 A BR7804216 A BR 7804216A
- Authority
- BR
- Brazil
- Prior art keywords
- trepano
- building
- rotating
- rotating trepano
- 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
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
-
- 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)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81228777A | 1977-07-01 | 1977-07-01 | |
US81228877A | 1977-07-01 | 1977-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7804216A true BR7804216A (pt) | 1979-04-17 |
Family
ID=27123585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7804216A BR7804216A (pt) | 1977-07-01 | 1978-06-30 | Processo de construcao de um trepano rotativo e trepano |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5414302A (de) |
AU (1) | AU518619B2 (de) |
BR (1) | BR7804216A (de) |
DE (1) | DE2828798A1 (de) |
FI (1) | FI781181A (de) |
FR (1) | FR2396152A1 (de) |
GB (1) | GB1602807A (de) |
IT (1) | IT1105345B (de) |
MX (1) | MX147222A (de) |
NL (1) | NL7805380A (de) |
NO (1) | NO782265L (de) |
SE (1) | SE7806864L (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8924962D0 (en) * | 1989-11-04 | 1989-12-28 | Lucas Ind Plc | Brake actuator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1407378A (en) * | 1973-06-04 | 1975-09-24 | Reed Tool Co | Pressure relief device for drill bit lubrication system |
US3917028A (en) * | 1975-01-13 | 1975-11-04 | Smith International | Lubrication reservoir assembly |
US4014595A (en) * | 1975-05-30 | 1977-03-29 | Hughes Tool Company | Drill bit with seal ring compensator |
BR7600745A (pt) * | 1975-05-30 | 1977-05-10 | Hughes Tool Co | Aperfeicoamentos em processo de lubrificacao de uma broca perfuratriz para escavacao em terra,na respectiva broca perfuratriz,e em processo para encher um reservatorio de lubrificante |
-
1978
- 1978-04-18 FI FI781181A patent/FI781181A/fi not_active Application Discontinuation
- 1978-05-17 AU AU36185/78A patent/AU518619B2/en not_active Expired
- 1978-05-18 NL NL7805380A patent/NL7805380A/xx not_active Application Discontinuation
- 1978-05-25 GB GB22806/78A patent/GB1602807A/en not_active Expired
- 1978-06-14 SE SE7806864A patent/SE7806864L/xx unknown
- 1978-06-27 FR FR7819130A patent/FR2396152A1/fr active Pending
- 1978-06-29 DE DE19782828798 patent/DE2828798A1/de not_active Withdrawn
- 1978-06-29 JP JP7917478A patent/JPS5414302A/ja active Pending
- 1978-06-29 IT IT50099/78A patent/IT1105345B/it active
- 1978-06-30 NO NO782265A patent/NO782265L/no unknown
- 1978-06-30 MX MX174014A patent/MX147222A/es unknown
- 1978-06-30 BR BR7804216A patent/BR7804216A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE2828798A1 (de) | 1979-01-18 |
AU518619B2 (en) | 1981-10-08 |
JPS5414302A (en) | 1979-02-02 |
FI781181A (fi) | 1979-01-02 |
IT7850099A0 (it) | 1978-06-29 |
NO782265L (no) | 1979-01-03 |
NL7805380A (nl) | 1979-01-03 |
FR2396152A1 (fr) | 1979-01-26 |
GB1602807A (en) | 1981-11-18 |
IT1105345B (it) | 1985-10-28 |
SE7806864L (sv) | 1979-01-02 |
MX147222A (es) | 1982-10-26 |
AU3618578A (en) | 1979-11-22 |
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