FR1211437A - Improvement in support devices for mines - Google Patents
Improvement in support devices for minesInfo
- Publication number
- FR1211437A FR1211437A FR1211437DA FR1211437A FR 1211437 A FR1211437 A FR 1211437A FR 1211437D A FR1211437D A FR 1211437DA FR 1211437 A FR1211437 A FR 1211437A
- Authority
- FR
- France
- Prior art keywords
- mines
- improvement
- support devices
- devices
- support
- 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
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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1211437X | 1957-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1211437A true FR1211437A (en) | 1960-03-16 |
Family
ID=10882871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1211437D Expired FR1211437A (en) | 1957-07-15 | 1958-07-15 | Improvement in support devices for mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1211437A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1128825B (en) * | 1960-04-01 | 1962-05-03 | Glueckauf Guenther Klerner Mas | Mechanized expansion working in the overtaking step |
DE1156038B (en) * | 1959-11-24 | 1963-10-24 | Houilleres Bassin Du Nord | Striding support frame for the expansion of underground spaces, especially longwall mining |
US3197966A (en) * | 1960-02-18 | 1965-08-03 | Gullick Ltd | Roof supporting means for mines |
DE1205036B (en) * | 1960-06-30 | 1965-11-18 | Kloeckner Werke Ag | Wandering longwall with frame |
-
1958
- 1958-07-15 FR FR1211437D patent/FR1211437A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1156038B (en) * | 1959-11-24 | 1963-10-24 | Houilleres Bassin Du Nord | Striding support frame for the expansion of underground spaces, especially longwall mining |
US3197966A (en) * | 1960-02-18 | 1965-08-03 | Gullick Ltd | Roof supporting means for mines |
DE1128825B (en) * | 1960-04-01 | 1962-05-03 | Glueckauf Guenther Klerner Mas | Mechanized expansion working in the overtaking step |
DE1205036B (en) * | 1960-06-30 | 1965-11-18 | Kloeckner Werke Ag | Wandering longwall with frame |
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