DE8516251U1 - - Google Patents
Info
- Publication number
- DE8516251U1 DE8516251U1 DE19858516251 DE8516251U DE8516251U1 DE 8516251 U1 DE8516251 U1 DE 8516251U1 DE 19858516251 DE19858516251 DE 19858516251 DE 8516251 U DE8516251 U DE 8516251U DE 8516251 U1 DE8516251 U1 DE 8516251U1
- Authority
- DE
- Germany
- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/0039—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 a strut or by a row of struts parallel to the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0418—Positioning devices and stabilizing means for the props
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858516251 DE8516251U1 (ja) | 1985-06-04 | 1985-06-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858516251 DE8516251U1 (ja) | 1985-06-04 | 1985-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8516251U1 true DE8516251U1 (ja) | 1988-01-07 |
Family
ID=6781745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19858516251 Expired DE8516251U1 (ja) | 1985-06-04 | 1985-06-04 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8516251U1 (ja) |
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1985
- 1985-06-04 DE DE19858516251 patent/DE8516251U1/de not_active Expired