Load support

Details Load support Load support

E - Fixed Constructions

21

D

E21D 15/00 (2006.01) E21D 11/00 (2006.01) E21D 15/44 (2006.01) E21D 15/48 (2006.01)

Patent

CA 2056368

AGENTS REF: FT36 PCT ABSTRACT A support between the floor (22) and the roof (24) of e.g a mine stope, is made by using an inflatable container comprising an inner bag (10), received in an outer bag (12). An inlet valve (14) extends through both bags as does a relatively higher pressure relief outlet valve (16). In use, air is pumped into the container until it is fully inflated, following by a grout, the air escaping via the valve (16) until the inner bag (10) is filled.

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