DE207038C - - Google Patents
Info
- Publication number
- DE207038C DE207038C DENDAT207038D DE207038DA DE207038C DE 207038 C DE207038 C DE 207038C DE NDAT207038 D DENDAT207038 D DE NDAT207038D DE 207038D A DE207038D A DE 207038DA DE 207038 C DE207038 C DE 207038C
- Authority
- DE
- Germany
- Prior art keywords
- wedge
- drill
- hammer
- piston
- tool holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005065 mining Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000002360 explosive Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 2
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE207038C true DE207038C (forum.php) |
Family
ID=469168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT207038D Active DE207038C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE207038C (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE906197C (de) * | 1948-10-02 | 1954-03-11 | Heinrich Prebeck | Verfahren und Werkzeug zum Spalten von Granit und aehnlichen Hartsteinen |
-
0
- DE DENDAT207038D patent/DE207038C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE906197C (de) * | 1948-10-02 | 1954-03-11 | Heinrich Prebeck | Verfahren und Werkzeug zum Spalten von Granit und aehnlichen Hartsteinen |
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