CS158186B2 - - Google Patents
Info
- Publication number
- CS158186B2 CS158186B2 CS396566A CS396566A CS158186B2 CS 158186 B2 CS158186 B2 CS 158186B2 CS 396566 A CS396566 A CS 396566A CS 396566 A CS396566 A CS 396566A CS 158186 B2 CS158186 B2 CS 158186B2
- Authority
- CS
- Czechoslovakia
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
- E21D23/0047—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
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
- E21D23/0043—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by two or more rows of struts parallel to the working face
-
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2469465A GB1147643A (en) | 1965-06-11 | 1965-06-11 | Improvements in mine roof supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS158186B2 true CS158186B2 (https=) | 1974-10-15 |
Family
ID=10215792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS396566A CS158186B2 (https=) | 1965-06-11 | 1966-06-11 |
Country Status (2)
| Country | Link |
|---|---|
| CS (1) | CS158186B2 (https=) |
| GB (1) | GB1147643A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111699B (zh) * | 2021-11-19 | 2022-09-09 | 山东科技大学 | 一种支撑式液压支架支护姿态监测及控制方法 |
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1965
- 1965-06-11 GB GB2469465A patent/GB1147643A/en not_active Expired
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1966
- 1966-06-11 CS CS396566A patent/CS158186B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1147643A (en) | 1969-04-02 |