FR2121683A1 - - Google Patents
Info
- Publication number
- FR2121683A1 FR2121683A1 FR7200540A FR7200540A FR2121683A1 FR 2121683 A1 FR2121683 A1 FR 2121683A1 FR 7200540 A FR7200540 A FR 7200540A FR 7200540 A FR7200540 A FR 7200540A FR 2121683 A1 FR2121683 A1 FR 2121683A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB105371 | 1971-01-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2121683A1 true FR2121683A1 (OSRAM) | 1972-08-25 |
| FR2121683B1 FR2121683B1 (OSRAM) | 1975-10-24 |
Family
ID=9715348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7200540A Expired FR2121683B1 (OSRAM) | 1971-01-08 | 1972-01-07 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2200175A1 (OSRAM) |
| FR (1) | FR2121683B1 (OSRAM) |
| GB (1) | GB1323043A (OSRAM) |
| PL (1) | PL83089B1 (OSRAM) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE827639C (de) * | 1944-06-11 | 1952-01-10 | Kloeckner Werke A G I Liqu | Ein- und Doppelkettenkratzer-Strebfoerderer fuer unterbrochene und laufende Foerderung |
-
1971
- 1971-01-08 GB GB1323043D patent/GB1323043A/en not_active Expired
-
1972
- 1972-01-04 DE DE19722200175 patent/DE2200175A1/de active Pending
- 1972-01-06 PL PL15278872A patent/PL83089B1/pl unknown
- 1972-01-07 FR FR7200540A patent/FR2121683B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE827639C (de) * | 1944-06-11 | 1952-01-10 | Kloeckner Werke A G I Liqu | Ein- und Doppelkettenkratzer-Strebfoerderer fuer unterbrochene und laufende Foerderung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2200175A1 (de) | 1972-07-27 |
| GB1323043A (en) | 1973-07-11 |
| FR2121683B1 (OSRAM) | 1975-10-24 |
| PL83089B1 (OSRAM) | 1975-12-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |