FR1258759A - Progression device for mining - Google Patents
Progression device for miningInfo
- Publication number
- FR1258759A FR1258759A FR829337A FR829337A FR1258759A FR 1258759 A FR1258759 A FR 1258759A FR 829337 A FR829337 A FR 829337A FR 829337 A FR829337 A FR 829337A FR 1258759 A FR1258759 A FR 1258759A
- Authority
- FR
- France
- Prior art keywords
- mining
- progression device
- progression
- Prior art date
- 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
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- 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
- E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices
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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR829337A FR1258759A (en) | 1960-06-08 | 1960-06-08 | Progression device for mining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR829337A FR1258759A (en) | 1960-06-08 | 1960-06-08 | Progression device for mining |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1258759A true FR1258759A (en) | 1961-04-14 |
Family
ID=8732942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR829337A Expired FR1258759A (en) | 1960-06-08 | 1960-06-08 | Progression device for mining |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1258759A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1408712B1 (en) * | 1961-08-21 | 1969-09-04 | Konrad Grebe | Longwall construction team for a hiking expansion |
-
1960
- 1960-06-08 FR FR829337A patent/FR1258759A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1408712B1 (en) * | 1961-08-21 | 1969-09-04 | Konrad Grebe | Longwall construction team for a hiking expansion |
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