AU5352473A - An advancible roof support for a mine - Google Patents
An advancible roof support for a mineInfo
- Publication number
- AU5352473A AU5352473A AU53524/73A AU5352473A AU5352473A AU 5352473 A AU5352473 A AU 5352473A AU 53524/73 A AU53524/73 A AU 53524/73A AU 5352473 A AU5352473 A AU 5352473A AU 5352473 A AU5352473 A AU 5352473A
- Authority
- AU
- Australia
- Prior art keywords
- advancible
- mine
- roof support
- roof
- 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 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
-
- 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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU53524/73A AU457554B2 (en) | 1973-03-20 | 1973-03-20 | An advancible roof support for a mine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU53524/73A AU457554B2 (en) | 1973-03-20 | 1973-03-20 | An advancible roof support for a mine |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5352473A true AU5352473A (en) | 1974-09-26 |
AU457554B2 AU457554B2 (en) | 1975-01-16 |
Family
ID=3739528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU53524/73A Expired AU457554B2 (en) | 1973-03-20 | 1973-03-20 | An advancible roof support for a mine |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU457554B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112302698A (en) * | 2020-10-28 | 2021-02-02 | 贵州理工学院 | Folding hydraulic tunnel supporting device convenient to carry |
-
1973
- 1973-03-20 AU AU53524/73A patent/AU457554B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112302698A (en) * | 2020-10-28 | 2021-02-02 | 贵州理工学院 | Folding hydraulic tunnel supporting device convenient to carry |
Also Published As
Publication number | Publication date |
---|---|
AU457554B2 (en) | 1975-01-16 |
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