GB976644A - Advancing mine roof support systems - Google Patents
Advancing mine roof support systemsInfo
- Publication number
- GB976644A GB976644A GB4178661A GB4178661A GB976644A GB 976644 A GB976644 A GB 976644A GB 4178661 A GB4178661 A GB 4178661A GB 4178661 A GB4178661 A GB 4178661A GB 976644 A GB976644 A GB 976644A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof support
- mine roof
- frame assembly
- advancing mine
- frames
- 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 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
976,644. Advancing mine roof supports. GEWERKSHAFT EISENHUTTE WESTFALIA. Nov. 22, 1961, No. 41786/61. Heading E1E. In an advancing mine roof support system for steep measures wherein a roof support frame assembly is added at the upper end of the face gallery whilst a like frame assembly is removed at the lower end thereof, each frame assembly consists of two releasable, rigid triangular frames 10, 11 arranged relatively displaceable along their longest sides, as shown. The frames are advanced by winches 17, 18 and are interconnected by chain links 19, the frames 11 incorporating goaf screens 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4178661A GB976644A (en) | 1961-11-22 | 1961-11-22 | Advancing mine roof support systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4178661A GB976644A (en) | 1961-11-22 | 1961-11-22 | Advancing mine roof support systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB976644A true GB976644A (en) | 1964-12-02 |
Family
ID=10421361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4178661A Expired GB976644A (en) | 1961-11-22 | 1961-11-22 | Advancing mine roof support systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB976644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846298A (en) * | 1997-05-09 | 1998-12-08 | Air Products And Chemicals, Inc. | Ozone recovery by zeolite adsorbents |
-
1961
- 1961-11-22 GB GB4178661A patent/GB976644A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846298A (en) * | 1997-05-09 | 1998-12-08 | Air Products And Chemicals, Inc. | Ozone recovery by zeolite adsorbents |
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