FR2152546A1 - - Google Patents
Info
- Publication number
- FR2152546A1 FR2152546A1 FR7227600A FR7227600A FR2152546A1 FR 2152546 A1 FR2152546 A1 FR 2152546A1 FR 7227600 A FR7227600 A FR 7227600A FR 7227600 A FR7227600 A FR 7227600A FR 2152546 A1 FR2152546 A1 FR 2152546A1
- 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
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
-
- 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
- E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7227600A FR2152546B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-31 | 1972-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7227600A FR2152546B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-31 | 1972-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2152546A1 true FR2152546A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-27 |
| FR2152546B1 FR2152546B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-08 |
Family
ID=9102633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7227600A Expired FR2152546B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-31 | 1972-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2152546B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2426332A1 (de) * | 1974-05-29 | 1975-12-04 | Komatsu Mfg Co Ltd | Tunnelbagger |
| WO1982002738A1 (en) * | 1981-02-09 | 1982-08-19 | Axel Martin Forsberg | Rock-scaling device |
| FR2619157A1 (fr) * | 1987-08-06 | 1989-02-10 | Pradelle Bernard | Dispositif purgeur, notamment pour le toit rocheux dans les mines, chantiers souterrains ou analogues |
-
1972
- 1972-07-31 FR FR7227600A patent/FR2152546B1/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2426332A1 (de) * | 1974-05-29 | 1975-12-04 | Komatsu Mfg Co Ltd | Tunnelbagger |
| WO1982002738A1 (en) * | 1981-02-09 | 1982-08-19 | Axel Martin Forsberg | Rock-scaling device |
| FR2619157A1 (fr) * | 1987-08-06 | 1989-02-10 | Pradelle Bernard | Dispositif purgeur, notamment pour le toit rocheux dans les mines, chantiers souterrains ou analogues |
| EP0306414A1 (fr) * | 1987-08-06 | 1989-03-08 | Soreis Societe Dite: | Dispositif purgeur, notamment pour le toit rocheux dans les mines, chantiers souterrains ou analogues |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2152546B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |