FR2290567B1 - - Google Patents
Info
- Publication number
- FR2290567B1 FR2290567B1 FR7534158A FR7534158A FR2290567B1 FR 2290567 B1 FR2290567 B1 FR 2290567B1 FR 7534158 A FR7534158 A FR 7534158A FR 7534158 A FR7534158 A FR 7534158A FR 2290567 B1 FR2290567 B1 FR 2290567B1
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0436—Means for inclining the base member of the support
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Bridges Or Land Bridges (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742453257 DE2453257C3 (de) | 1974-11-09 | Schildausbaugestell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2290567A1 FR2290567A1 (fr) | 1976-06-04 |
| FR2290567B1 true FR2290567B1 (https=) | 1982-10-01 |
Family
ID=5930459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7534158A Granted FR2290567A1 (fr) | 1974-11-09 | 1975-11-07 | Chassis de soutenement a bouclier |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3961487A (https=) |
| FR (1) | FR2290567A1 (https=) |
| GB (1) | GB1519866A (https=) |
| PL (1) | PL105755B1 (https=) |
| ZA (1) | ZA756594B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2800376A1 (de) * | 1978-01-05 | 1979-07-19 | Gewerk Eisenhuette Westfalia | Liegendkufe fuer ein ausbaugestell einer untertaegigen mineralgewinnungsanlage |
| US5312206A (en) * | 1991-11-25 | 1994-05-17 | Long-Airdox Company | High lift temporary roof support for mines |
| US5156497A (en) * | 1991-11-25 | 1992-10-20 | Simmons-Rand Company | Temporary roof support for mines |
| CN113833509B (zh) * | 2021-10-14 | 2024-10-22 | 中国煤炭科工集团太原研究院有限公司 | 履带式支护机器人 |
| CN114352318B (zh) * | 2022-01-07 | 2023-10-24 | 国家能源集团宁夏煤业有限责任公司 | 用于综放工作面回风巷超前支护的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1277172B (de) * | 1962-04-16 | 1968-09-12 | Maschfab Eisengiesserei Beien | Gewinnungs- und Foerdervorrichtung fuer den Kurzfrontabbau, insbesondere in Kohlenbergwerken |
| US3342034A (en) * | 1963-06-21 | 1967-09-19 | Dowty Mining Equipment Ltd | Roof supports |
| DE1238867B (de) * | 1965-09-01 | 1967-04-20 | Hansjoachim Von Hippel Dr Ing | Hydraulischer Stempelausbau |
| DE1224247B (de) * | 1965-10-08 | 1966-09-08 | Hoesch Bergbautechnik G M B H | Schreitendes Ausbaugespann mit Stuetzfedern und Verbindungsfedern |
| DE1905615A1 (de) * | 1969-02-05 | 1970-12-23 | Konrad Grebe | Steuerbare Fuehrungsschiene fuer eine Einrichtung zur mechanischen Gewinnung von Kohle und anderen floezartigen Mineralien im Langfrontabbau |
-
1975
- 1975-09-30 US US05/618,212 patent/US3961487A/en not_active Expired - Lifetime
- 1975-10-17 GB GB42826/75A patent/GB1519866A/en not_active Expired
- 1975-10-20 ZA ZA00756594A patent/ZA756594B/xx unknown
- 1975-11-06 PL PL1975184520A patent/PL105755B1/pl unknown
- 1975-11-07 FR FR7534158A patent/FR2290567A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| PL105755B1 (pl) | 1979-10-31 |
| DE2453257B2 (de) | 1976-08-26 |
| GB1519866A (en) | 1978-08-02 |
| DE2453257A1 (de) | 1976-05-13 |
| FR2290567A1 (fr) | 1976-06-04 |
| ZA756594B (en) | 1976-09-29 |
| US3961487A (en) | 1976-06-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |