FR1114348A - Perfectionnement aux têtes de haveuse ou tarière - Google Patents
Perfectionnement aux têtes de haveuse ou tarièreInfo
- Publication number
- FR1114348A FR1114348A FR1114348DA FR1114348A FR 1114348 A FR1114348 A FR 1114348A FR 1114348D A FR1114348D A FR 1114348DA FR 1114348 A FR1114348 A FR 1114348A
- Authority
- FR
- France
- Prior art keywords
- shear
- improvement
- auger heads
- auger
- heads
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/58—Machines slitting by drilling hole on hole
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)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2326453A GB742204A (en) | 1953-08-24 | 1953-08-24 | An improved cutter head for a mineral-mining or earth-boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1114348A true FR1114348A (fr) | 1956-04-11 |
Family
ID=10192838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1114348D Expired FR1114348A (fr) | 1953-08-24 | 1954-08-17 | Perfectionnement aux têtes de haveuse ou tarière |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE531327A (enrdf_load_stackoverflow) |
| FR (1) | FR1114348A (enrdf_load_stackoverflow) |
| GB (1) | GB742204A (enrdf_load_stackoverflow) |
-
0
- BE BE531327D patent/BE531327A/xx unknown
-
1953
- 1953-08-24 GB GB2326453A patent/GB742204A/en not_active Expired
-
1954
- 1954-08-17 FR FR1114348D patent/FR1114348A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE531327A (enrdf_load_stackoverflow) | |
| GB742204A (en) | 1955-12-21 |
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