FR2491519B1 - - Google Patents
Info
- Publication number
- FR2491519B1 FR2491519B1 FR8021303A FR8021303A FR2491519B1 FR 2491519 B1 FR2491519 B1 FR 2491519B1 FR 8021303 A FR8021303 A FR 8021303A FR 8021303 A FR8021303 A FR 8021303A FR 2491519 B1 FR2491519 B1 FR 2491519B1
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
-
- 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
- E21B7/001—Drilling a non circular hole
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8021303A FR2491519A1 (fr) | 1980-10-03 | 1980-10-03 | Trancheuse a rotopercussion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8021303A FR2491519A1 (fr) | 1980-10-03 | 1980-10-03 | Trancheuse a rotopercussion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2491519A1 FR2491519A1 (fr) | 1982-04-09 |
| FR2491519B1 true FR2491519B1 (show.php) | 1984-03-30 |
Family
ID=9246558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8021303A Granted FR2491519A1 (fr) | 1980-10-03 | 1980-10-03 | Trancheuse a rotopercussion |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2491519A1 (show.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11732533B2 (en) * | 2020-09-23 | 2023-08-22 | Joseph Alexander Williams | Modular drilling apparatus and ground treatment methods |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1552636A (en) * | 1975-05-29 | 1979-09-19 | Wibom G H O | Drilling machine |
| FR2439273A1 (fr) * | 1978-10-18 | 1980-05-16 | Campguilhem Jacques | Trancheuse a percussion |
-
1980
- 1980-10-03 FR FR8021303A patent/FR2491519A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2491519A1 (fr) | 1982-04-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| AR | Application made for restoration | ||
| BR | Restoration of rights | ||
| ST | Notification of lapse |