BE520689A - - Google Patents
Info
- Publication number
- BE520689A BE520689A BE520689DA BE520689A BE 520689 A BE520689 A BE 520689A BE 520689D A BE520689D A BE 520689DA BE 520689 A BE520689 A BE 520689A
- Authority
- BE
- Belgium
- Prior art keywords
- hollow body
- fitting
- casing
- forest
- contraction
- Prior art date
Links
- 230000008602 contraction Effects 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 5
- 235000014443 Pyrus communis Nutrition 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 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
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)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520689A true BE520689A (OSRAM) |
Family
ID=156482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520689D BE520689A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE520689A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1136548B (de) * | 1958-07-04 | 1962-09-13 | Vakutronik Dresden Veb | Hochvakuumdichte Schrumpfverbindung, insbesondere fuer Rohre oder Rohrverschluesse |
-
0
- BE BE520689D patent/BE520689A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1136548B (de) * | 1958-07-04 | 1962-09-13 | Vakutronik Dresden Veb | Hochvakuumdichte Schrumpfverbindung, insbesondere fuer Rohre oder Rohrverschluesse |
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