FR2165181A5 - - Google Patents
Info
- Publication number
- FR2165181A5 FR2165181A5 FR7145973A FR7145973A FR2165181A5 FR 2165181 A5 FR2165181 A5 FR 2165181A5 FR 7145973 A FR7145973 A FR 7145973A FR 7145973 A FR7145973 A FR 7145973A FR 2165181 A5 FR2165181 A5 FR 2165181A5
- Authority
- FR
- France
- 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.)
- Expired
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/003—Drilling with mechanical conveying means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7145973A FR2165181A5 (en) | 1971-12-21 | 1971-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7145973A FR2165181A5 (en) | 1971-12-21 | 1971-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2165181A5 true FR2165181A5 (en) | 1973-08-03 |
Family
ID=9087808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7145973A Expired FR2165181A5 (en) | 1971-12-21 | 1971-12-21 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2165181A5 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1979000859A1 (en) * | 1978-03-30 | 1979-11-01 | Soudure Mecan Appliquees Duval | Process and tool for ground drilling |
EP0607470A1 (en) * | 1992-12-30 | 1994-07-27 | Hachiro Inoue | Automatic evacuation drilling bucket |
CN102287140A (en) * | 2011-05-21 | 2011-12-21 | 山河智能装备股份有限公司 | Forced earth-discharging drilling bucket |
-
1971
- 1971-12-21 FR FR7145973A patent/FR2165181A5/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1979000859A1 (en) * | 1978-03-30 | 1979-11-01 | Soudure Mecan Appliquees Duval | Process and tool for ground drilling |
EP0607470A1 (en) * | 1992-12-30 | 1994-07-27 | Hachiro Inoue | Automatic evacuation drilling bucket |
CN102287140A (en) * | 2011-05-21 | 2011-12-21 | 山河智能装备股份有限公司 | Forced earth-discharging drilling bucket |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |