FR905546A - Pushing device for formwork elements of extraction galleries - Google Patents
Pushing device for formwork elements of extraction galleriesInfo
- Publication number
- FR905546A FR905546A FR905546DA FR905546A FR 905546 A FR905546 A FR 905546A FR 905546D A FR905546D A FR 905546DA FR 905546 A FR905546 A FR 905546A
- Authority
- FR
- France
- Prior art keywords
- galleries
- extraction
- pushing device
- formwork elements
- formwork
- 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
- 238000000605 extraction Methods 0.000 title 1
- 238000009415 formwork Methods 0.000 title 1
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
- E21D23/0056—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)
- Disintegrating Or Milling (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW2571D DE919165C (en) | 1943-03-23 | 1943-03-23 | Back machine for expansion elements for longwall construction |
Publications (1)
Publication Number | Publication Date |
---|---|
FR905546A true FR905546A (en) | 1945-12-06 |
Family
ID=7591674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR905546D Expired FR905546A (en) | 1943-03-23 | 1944-06-28 | Pushing device for formwork elements of extraction galleries |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE456484A (en) |
DE (1) | DE919165C (en) |
FR (1) | FR905546A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1035598B (en) * | 1952-05-24 | 1958-08-07 | Gewerk Eisenhuette Westfalia | Extension frame for the advancing longwall construction |
DE974199C (en) * | 1948-09-01 | 1960-10-13 | Dowty Equipment Ltd | Longwall extension team |
DE977365C (en) * | 1950-06-18 | 1966-03-24 | Konrad Grebe | Wandering longwall mining |
-
1943
- 1943-03-23 DE DEW2571D patent/DE919165C/en not_active Expired
-
1944
- 1944-06-24 BE BE456484A patent/BE456484A/en unknown
- 1944-06-28 FR FR905546D patent/FR905546A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE974199C (en) * | 1948-09-01 | 1960-10-13 | Dowty Equipment Ltd | Longwall extension team |
DE977365C (en) * | 1950-06-18 | 1966-03-24 | Konrad Grebe | Wandering longwall mining |
DE1035598B (en) * | 1952-05-24 | 1958-08-07 | Gewerk Eisenhuette Westfalia | Extension frame for the advancing longwall construction |
Also Published As
Publication number | Publication date |
---|---|
DE919165C (en) | 1954-10-14 |
BE456484A (en) | 1944-07-31 |
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