FR2075782A5 - - Google Patents
Info
- Publication number
- FR2075782A5 FR2075782A5 FR7101904A FR7101904A FR2075782A5 FR 2075782 A5 FR2075782 A5 FR 2075782A5 FR 7101904 A FR7101904 A FR 7101904A FR 7101904 A FR7101904 A FR 7101904A FR 2075782 A5 FR2075782 A5 FR 2075782A5
- 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
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/0206—Hydraulically operated extension devices
-
- 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
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
-
- 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
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702002442 DE2002442A1 (de) | 1970-01-21 | 1970-01-21 | Rueckkragende Kappe fuer den schreitenden Strebausbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2075782A5 true FR2075782A5 (enExample) | 1971-10-08 |
Family
ID=5760084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7101904A Expired FR2075782A5 (enExample) | 1970-01-21 | 1971-01-21 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2002442A1 (enExample) |
| FR (1) | FR2075782A5 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233359A (zh) * | 2022-01-24 | 2022-03-25 | 中煤能源研究院有限责任公司 | 一种放顶式矸石充填液压支架及填充方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215924C1 (de) * | 1982-03-11 | 1988-01-21 | Bergwerksverband Gmbh, 4300 Essen | Vorrichtung zur Versatzverdichtung im Bereich der Hangenden |
| DE3238721C2 (de) * | 1982-10-19 | 1990-12-06 | Bergwerksverband Gmbh, 4300 Essen | Vorrichtung zur Versatzverdichtung |
| DE3404925A1 (de) * | 1984-02-11 | 1985-08-22 | Bergwerksverband Gmbh, 4300 Essen | Rueckpfaendkappe fuer schreitausbau |
| DE3409002A1 (de) * | 1984-03-12 | 1985-09-12 | Thyssen Industrie AG Schmiedetechnik/Bergbautechnik, 4100 Duisburg | Verfahren und vorrichtung zum einbringen von blasversatz mit hydraulischen ausbaugestellen |
-
1970
- 1970-01-21 DE DE19702002442 patent/DE2002442A1/de active Pending
-
1971
- 1971-01-21 FR FR7101904A patent/FR2075782A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233359A (zh) * | 2022-01-24 | 2022-03-25 | 中煤能源研究院有限责任公司 | 一种放顶式矸石充填液压支架及填充方法 |
| CN114233359B (zh) * | 2022-01-24 | 2024-03-01 | 中煤能源研究院有限责任公司 | 一种放顶式矸石充填液压支架及填充方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2002442A1 (de) | 1971-07-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |