BE477687A - - Google Patents
Info
- Publication number
- BE477687A BE477687A BE477687DA BE477687A BE 477687 A BE477687 A BE 477687A BE 477687D A BE477687D A BE 477687DA BE 477687 A BE477687 A BE 477687A
- Authority
- BE
- Belgium
- Prior art keywords
- cone
- nozzle
- aforesaid
- washers
- washer
- Prior art date
Links
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011359 shock absorbing material Substances 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 13
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 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
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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)
- Auxiliary Devices For Machine Tools (AREA)
- Cleaning In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477687A true BE477687A (ko) |
Family
ID=125685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477687D BE477687A (ko) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE477687A (ko) |
-
0
- BE BE477687D patent/BE477687A/fr unknown
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