BE500565A - - Google Patents
Info
- Publication number
- BE500565A BE500565A BE500565DA BE500565A BE 500565 A BE500565 A BE 500565A BE 500565D A BE500565D A BE 500565DA BE 500565 A BE500565 A BE 500565A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/02—Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Crushing And Grinding (AREA)
- Preliminary Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB296949A GB675557A (en) | 1949-02-03 | 1949-02-03 | Improvements in mining machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500565A true BE500565A (fr) |
Family
ID=9749436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500565D BE500565A (fr) | 1949-02-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE500565A (fr) |
| FR (1) | FR1030771A (fr) |
| GB (1) | GB675557A (fr) |
-
0
- BE BE500565D patent/BE500565A/xx unknown
-
1949
- 1949-02-03 GB GB296949A patent/GB675557A/en not_active Expired
-
1951
- 1951-01-08 FR FR1030771D patent/FR1030771A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB675557A (en) | 1952-07-16 |
| FR1030771A (fr) | 1953-06-17 |