JPS5030562B1 - - Google Patents
Info
- Publication number
- JPS5030562B1 JPS5030562B1 JP8130970A JP8130970A JPS5030562B1 JP S5030562 B1 JPS5030562 B1 JP S5030562B1 JP 8130970 A JP8130970 A JP 8130970A JP 8130970 A JP8130970 A JP 8130970A JP S5030562 B1 JPS5030562 B1 JP S5030562B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
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)
- Sealing Devices (AREA)
- Sliding-Contact Bearings (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6932475A FR2060255A6 (ja) | 1969-09-19 | 1969-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5030562B1 true JPS5030562B1 (ja) | 1975-10-02 |
Family
ID=9040510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8130970A Pending JPS5030562B1 (ja) | 1969-09-19 | 1970-09-18 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5030562B1 (ja) |
| AT (1) | AT302216B (ja) |
| CA (1) | CA929509A (ja) |
| DE (1) | DE2043365C3 (ja) |
| FR (1) | FR2060255A6 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0070335A1 (en) * | 1981-07-17 | 1983-01-26 | Gits Bros. Mfg. Co. | Pressure compensated shaft seal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB877630A (en) * | 1959-11-19 | 1961-09-20 | Johann Gruber | Improvements in or relating to deep borers |
| DE1085115B (de) * | 1959-12-11 | 1960-07-14 | Johann Gruber | Elektrobohrer fuer Tiefbohrzwecke |
-
1969
- 1969-09-19 FR FR6932475A patent/FR2060255A6/fr not_active Expired
-
1970
- 1970-08-21 CA CA091370A patent/CA929509A/en not_active Expired
- 1970-09-01 DE DE19702043365 patent/DE2043365C3/de not_active Expired
- 1970-09-18 AT AT847570A patent/AT302216B/de not_active IP Right Cessation
- 1970-09-18 JP JP8130970A patent/JPS5030562B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA929509A (en) | 1973-07-03 |
| AT302216B (de) | 1972-10-10 |
| DE2043365B2 (de) | 1981-08-13 |
| FR2060255A6 (ja) | 1971-06-18 |
| DE2043365C3 (de) | 1982-04-01 |
| DE2043365A1 (de) | 1971-04-15 |