Underground mining roof support systems and supports for use...

Details Underground mining roof support systems and supports for use... Underground mining roof support systems and supports for use...

E - Fixed Constructions

21

D

61/68

E21D 19/04 (2006.01) E21D 23/00 (2006.01)

Patent

CA 1129661

CASE 4286/CAN ABSTRACT OF THE INVENTION UNDERGROUND MINE ROOF SUPPORT SYSTEM AND SUPPORTS FOR USE IN SUCH A SYSTEM An underground mine roof support system comprises a plurality of roof supports arranged in side-by-side relationship along a longwall face, at least two adjacent supports comprising a set of relatively forwardly located legs and a relatively rearwardly located single leg such that, in use, an access passage is defined between the two single legs of said two adjacent roof supports.

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