FR875242A - Busette de captage des poussières, applicable en particulier aux perforateurs - Google Patents
Busette de captage des poussières, applicable en particulier aux perforateursInfo
- Publication number
- FR875242A FR875242A FR875242DA FR875242A FR 875242 A FR875242 A FR 875242A FR 875242D A FR875242D A FR 875242DA FR 875242 A FR875242 A FR 875242A
- Authority
- FR
- France
- Prior art keywords
- perforators
- dust collection
- particularly applicable
- collection nozzle
- nozzle
- 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
- 239000000428 dust 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR875242T | 1941-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR875242A true FR875242A (fr) | 1942-09-11 |
Family
ID=9360090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR875242D Expired FR875242A (fr) | 1941-05-12 | 1941-05-12 | Busette de captage des poussières, applicable en particulier aux perforateurs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR875242A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1014048B (de) * | 1954-08-03 | 1957-08-22 | Konrad Grebe | Verfahren zur Gewinnung von Kohle oder anderen Mineralien durch Abdruecken mittels Druckwasser |
-
1941
- 1941-05-12 FR FR875242D patent/FR875242A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1014048B (de) * | 1954-08-03 | 1957-08-22 | Konrad Grebe | Verfahren zur Gewinnung von Kohle oder anderen Mineralien durch Abdruecken mittels Druckwasser |
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