BE442989A - - Google Patents
Info
- Publication number
- BE442989A BE442989A BE442989DA BE442989A BE 442989 A BE442989 A BE 442989A BE 442989D A BE442989D A BE 442989DA BE 442989 A BE442989 A BE 442989A
- Authority
- BE
- Belgium
- Prior art keywords
- cylinder
- handle
- closed
- housing
- machine
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/04—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by fluid-pressure or pneumatic power
- B23B45/044—Rotary vane type motors
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/11—Planetary drives
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)
- Drilling And Boring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442989A true BE442989A (enrdf_load_stackoverflow) |
Family
ID=100051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442989D BE442989A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE442989A (enrdf_load_stackoverflow) |
-
0
- BE BE442989D patent/BE442989A/fr unknown
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