DIAGRAMS
| Winged Keel Bracket (WK 970) |
Note that the
WK 970 supports a four pipeline array
from a single roofbolt! |
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| Longwall Bracket (LW 490) |
Note that the large-bore, gas drainage pipeline is supported close to the roof and against the diagonal-stroked rib. |
| Longwall Bracket in situ | ||
| - | left click on the image to see a larger view in a new window | |
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| Combination Bracket in situ | ||
| - | left click on the image to see a larger view in a new window | |
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| bracket/roofbolt assembly |
| - | left click on the image to see a larger view in a new window then if you wish to enlarge still further left click again! | ||
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| layout of the brackets | ||
| for laser profiling | - from BISALLOY 80* "quarter sheets" (2m long x 1.5m wide x 5mm thick) | |
| - | left click on the image to see a larger version in a new window then if you wish to enlarge still further left click again! | ||
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* very high-strength steel
| Part Mine Plan | |||
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| West Cliff Colliery workings in the Bulli Seam |
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