BE643348A - - Google Patents
Info
- Publication number
- BE643348A BE643348A BE643348A BE643348A BE643348A BE 643348 A BE643348 A BE 643348A BE 643348 A BE643348 A BE 643348A BE 643348 A BE643348 A BE 643348A BE 643348 A BE643348 A BE 643348A
- Authority
- BE
- Belgium
- Prior art keywords
- drill
- notch
- rod
- stud
- hammer
- Prior art date
Links
- 239000011435 rock Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
- B25D17/084—Rotating chucks or sockets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE643348A BE643348A (enrdf_load_stackoverflow) | 1964-02-04 | 1964-02-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE643348A BE643348A (enrdf_load_stackoverflow) | 1964-02-04 | 1964-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE643348A true BE643348A (enrdf_load_stackoverflow) | 1964-05-29 |
Family
ID=3845870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE643348A BE643348A (enrdf_load_stackoverflow) | 1964-02-04 | 1964-02-04 |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE643348A (enrdf_load_stackoverflow) |
-
1964
- 1964-02-04 BE BE643348A patent/BE643348A/fr unknown
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