FR1471067A - Foret pour roches - Google Patents
Foret pour rochesInfo
- Publication number
- FR1471067A FR1471067A FR53245A FR53245A FR1471067A FR 1471067 A FR1471067 A FR 1471067A FR 53245 A FR53245 A FR 53245A FR 53245 A FR53245 A FR 53245A FR 1471067 A FR1471067 A FR 1471067A
- Authority
- FR
- France
- Prior art keywords
- rock drill
- drill
- rock
- Prior art date
- 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
- 239000011435 rock Substances 0.000 title 1
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
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 |
---|---|---|---|
FR53245A FR1471067A (fr) | 1966-03-12 | 1966-03-12 | Foret pour roches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR53245A FR1471067A (fr) | 1966-03-12 | 1966-03-12 | Foret pour roches |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1471067A true FR1471067A (fr) | 1967-02-24 |
Family
ID=8603651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR53245A Expired FR1471067A (fr) | 1966-03-12 | 1966-03-12 | Foret pour roches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1471067A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4458769A (en) * | 1980-04-16 | 1984-07-10 | Hilti Aktiengesellschaft | Rock drill |
-
1966
- 1966-03-12 FR FR53245A patent/FR1471067A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4458769A (en) * | 1980-04-16 | 1984-07-10 | Hilti Aktiengesellschaft | Rock drill |
US4549616A (en) * | 1980-04-16 | 1985-10-29 | Hilti Aktiengesellschaft | Rock drill |
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