BE441415A - - Google Patents
Info
- Publication number
- BE441415A BE441415A BE441415DA BE441415A BE 441415 A BE441415 A BE 441415A BE 441415D A BE441415D A BE 441415DA BE 441415 A BE441415 A BE 441415A
- Authority
- BE
- Belgium
- Prior art keywords
- sleeve
- percussion
- driven
- percussion instrument
- casing
- Prior art date
Links
- 238000009527 percussion Methods 0.000 claims description 21
- 239000011888 foil Substances 0.000 claims description 13
- 241001494479 Pecora Species 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/12—Means for driving the impulse member comprising a crank mechanism
-
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
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)
- Percussive Tools And Related Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441415A true BE441415A (enrdf_load_stackoverflow) |
Family
ID=98918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441415D BE441415A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE441415A (enrdf_load_stackoverflow) |
-
0
- BE BE441415D patent/BE441415A/fr unknown
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