BE619391A - Elément de soutenement déplaçable pour excavations - Google Patents
Elément de soutenement déplaçable pour excavationsInfo
- Publication number
- BE619391A BE619391A BE619391A BE619391A BE619391A BE 619391 A BE619391 A BE 619391A BE 619391 A BE619391 A BE 619391A BE 619391 A BE619391 A BE 619391A BE 619391 A BE619391 A BE 619391A
- Authority
- BE
- Belgium
- Prior art keywords
- excavations
- support element
- movable support
- movable
- support
- Prior art date
Links
- 238000009412 basement excavation 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
- E21D23/0052—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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential 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)
- Tents Or Canopies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0032581 | 1961-06-26 | ||
DEG0035036 | 1962-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE619391A true BE619391A (fr) | 1962-12-27 |
Family
ID=25978347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE619391A BE619391A (fr) | 1961-06-26 | 1962-06-26 | Elément de soutenement déplaçable pour excavations |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE619391A (fr) |
GB (1) | GB1010948A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1219897A (en) * | 1967-10-10 | 1971-01-20 | Karl Maria Groetschel | Improvements relating to roof supports for mine workings |
CN113898392A (zh) * | 2021-10-14 | 2022-01-07 | 中国煤炭科工集团太原研究院有限公司 | 一种超高巷道挡矸支护装置 |
-
1962
- 1962-06-19 GB GB2360362A patent/GB1010948A/en not_active Expired
- 1962-06-26 BE BE619391A patent/BE619391A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB1010948A (en) | 1965-11-24 |
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